Earth & Environmental Sciences 2022-2023 Annual Report

Photo: Looking for outcrops at Lake Vermilion-Soudan Underground Mine State Park. Photo credit: Nicole Wagner

Greetings from the Head

includes such illustrious recipients as Nikola Tesla, Thomas Edison, Marie Curie, Orville Wright, Albert Einstein, and Larry Edwards (see what I did there?).

Donna Whitney won a Graduate and Professional Educational award for her many contributions to field-based education, mentoring, and promotion of DEI in the department.

Peter Kang received a Taylor Career Development Award recognizing exceptional contributions to teaching by a candidate for tenure. That was followed up by the announcement that he had been chosen a McKnight Presidential Fellow—the university’s highest recognition for faculty in their tenure year. He was even chosen to speak at the spring Regents’ meeting. It goes without saying that he received tenure.

I’m writing this greeting in early July. It’s very nearly a beautiful day outside. Gentle breeze, not too hot, tinged slightly yellow with Canadian forest fire smoke. Yesterday was the hottest day on Earth in history and likely the hottest day in the past 125,000 years. With El Niño fueling the heat engine, chances are good yesterday’s record will be broken sometime this summer. Given the trajectory of climate, record heat, and smokey skies will continue and almost certainly worsen, a sobering reminder of anthropogenic impacts on the world around us.

Enough gloom, let’s talk about all the great things happening in Earth & Environmental Sciences. For instance, awards. Our faculty and staff won lots of them in the past year including some really big ones. Starting with faculty and proceeding in roughly chronological order:

Cara Santelli was one of three scientists to receive The Geological Society of America’s 2022 Award for Outstanding Geobiologists.

Peter Kang received the Chin-Fu Tsang Coupled Processes Award for his pioneering work on fluid flow and chemical reactions in fractured rock in the summer of 2022.

Lars Hansen won a prestigious James B. Macalwane Award this past fall. This AGU award recognizes exceptional early career scientists. It’s the first time anyone from the department has been so honored.

The new year was rung in with two HUGE awards in quick succession: the Vetlesen Prize awarded to David Kohlstedt and the Benjamin Franklin Medal awarded to Larry Edwards. The former was created to be the ‘Nobel’ of Earth Sciences. The latter dates to 1824 and

We searched for a new faculty member in sedimentology, stratigraphy, and Earth surface processes in the spring. Perhaps because I’m new to the whole department head thing, I was talked into allowing us to bring in 8 (EIGHT) candidates for two-day interviews. Going big paid off. Starting in January 2024, Emily Beverly will join the department. Emily’s research lies at the intersection of sedimentary geology and paleoclimate. She uses field mapping and a variety of geochemical tools to reconstruct past terrestrial landscapes and climate including those that formed the backdrop for hominid evolution. But wait, there’s more, much more… Julia Wilcots will join the faculty in fall of 2025. Among other things, Julia examines the climate state before and between the Neoproterozoic “Snowball Earth” periods using field geology, carbonate clumpedisotopic methods, synchrotron-based crystal mapping and advanced computing. And there’s the possibility of a third hire that I hope to introduce in next year’s annual report.

The department continues to excel in research and teaching, earning us 24th place on US News annual ranking of Earth Sciences programs. Take out the private schools and we move up to 13th.

Our courses continue to be very well received as evidenced by over 7,000 total student credit hours in the past year and two teaching-related awards. While the majority of these students aren’t majors or minors, I consider it an important mission for us to reach as many students as possible to help them understand the natural world around them, to appreciate the gravity of the changes it is undergoing and to find their own agency in solutions.

Our faculty are adapting well to a fluid classroom environment in the wake of COVID (knock on wood). While

most classes have returned to in-person formats, technology is reshaping content delivery in many ways. Rather than resist change, we are embracing it, unlocking the power of new tools to make learning far more inclusive and, enabling us to reach a wider audience.

By the way, we are back to in-person seminars every Thursday at 4:00 p.m. The public is invited! If you’re interested but can’t make it, most are recorded and available on our YouTube channel. We’re also hosting a few geology movie nights each semester and, again, you’re welcome to attend and laugh along at the bad science, bad dialog and bad acting that seem to pervade ‘geocinema.’

We are grateful to have received many donations in the past year, including very large gifts from alumnus Michael Block and emeriti professors David and Sally Gregory Kohlstedt. Your donations provide critical support to maintain and expand our mission, and are especially important to our students’ ability to get out in the field, focus on their education, and complete their degrees. We are also very grateful for your gifts of time. Alumni and friend participation in career forums, advising, mentorship, field trips, seminars, and other venues enriches the experience for our students, staff and faculty. The same holds for the gift of your opinions—they matter and we want to hear them.

For nine years, Sharon Kressler, Department Administrator, has kept the ESCI ship from running aground. Prior to that, she spent 18 years as our student programs coordinator. Virtually nothing the department is, does, or aspires to be happens without her. Without her guidance, my first year as head would have been... I can’t imagine how bad it would have been. She’s retiring in September, and we’ll all miss her terribly. The upcoming 2023–24 school year is also Chris Paola’s last year before ‘graduating’ to emeritus status. A pioneer of quantitative process sedimentology, a gifted and awarded instructor, accomplished advisor, and tremendous colleague, Chris has consistently elevated the department and the university.

Take care,

Justin Revenaugh

Department Head, Earth & Environmental Sciences

2022AdvisoryBoard.NotPictured:LauraTriplett,KathrynVall

The department would like to thank its Advisory Board for taking time to meet virtually and in person with students, staff, and faculty on April 21, 2023. We greatly appreciate the work they do and the input they provide the department. Thank you!

Advisory Board members:

Judy Andrews, WSP, Inc.

Sandeep Burman, MN Dept of Health

Jon Carlson, Braun Intertec

Tim Cowdery, USGS

Megan Kelly, MN Dept of Natural Resources

Michelle LaGarde, Braun Intertec

Denise Levitan, Barr Engineering

Chuck Mosher, ConocoPhillips (Retired)

Shanna Schmitt, MN Pollution Control Agency

Hong Spores, HDR, Inc.

Jon Tortomasi, Board Chair, Jacobs Engineering

Laura Triplett, Gustavus Adolphus College

Kathryn Vall, Mineralogic, LLC

Justin with wife Kelly, daughter Emma, and son Silas.

Resesarch Center Updates

Continental Scientific Drilling Facility

Written by Kat Cantner, Science and Outreach Coordinator, and Anders Noren, Director, CSD Facility

This year the Continental Scientific Drilling Facility supported 51 field campaigns and made significant infrastructure developments while hosting 152 scientists from 54 institutions for core scanning, inspection, and subsampling. We have supported nearly 1000 researchers from over 400 institutions through projects and community development efforts.

Infrastructure Developments

Westgate Facility: In summer 2022, the CSD Facility began occupancy of a large off-campus space adjacent to the Minnesota Geological Survey with a walk-in cooler for cold storage and warehouse space for non-refrigerated collections, equipment, and consumables. This space allows us to consolidate our entire sample collection in a single location and centralize our expedition services.

Deep Coring System: In August the CSD Facility acquired a new coring system from Uwitec GmbH to obtain long core samples from lakes at a fraction of the cost of heavy drilling systems. This system can operate in water depths to 400 m and collect core samples to 50+ meters sediment depth. It was first deployed at Lake Crescent, Washington in September and has a queue of projects awaiting its capabilities including Jackson Lake, Wyoming, several lakes in Guatemala, and Oneida Lake, New York.

Major Project Activities

Drylands Critical Zone Network: In February, our team supported the Drylands Critical Zone Network project in Texas and New Mexico where we collected 150 meters of core and installed two monitoring wells for geophysical surveys and groundwater sampling. This project examines the role of water and nutrient availability in regulating the movement of carbon in the critical zone in dry environments.

Lake Tota: In February, after months of logistical preparation and a containerized shipment of coring equipment from Minneapolis, staff traveled to Colombia to manage coring operations on Lake Tota. The multinational team collected 125 meters of core at 14 different sites. In June, the research team visited the Facility for two weeks to process these cores and complete initial core descriptions and sampling to build a late Quaternary paleoclimate record for the region.

Trans-Amazon: Staff are presently on site near Rodriguez Alves, Acre, Brazil where drilling has begun for the TransAmazon Drilling Project. This project will provide the first continuous records of the Cenozoic history of the forests, their plant diversity, and associated changes in climate and environment in the equatorial Amazon.

Elk Ridge: Our colleagues from the Institute for Rock Magnetism are currently processing drill core collected in southern Utah in 1981 to understand the patterns and processes that drove the Carboniferous-Permian environmental and ecological change that led to Earth’s first herbivore-abundant terrestrial communities. The 450 meters of core were shipped on 9 pallets from the University of Texas Bureau of Economic Geology Core Center where they will be returned after project completion.

Workshops: In summer 2022, facility staff participated in 4 planning workshops for drilling projects in the Turkana Basin (Kenya), Lake Victoria (Tanzania), Izabal Basin (Guatemala), and US Atlantic Margin. These project teams are working toward drilling campaigns to generate long-term records of climate, environment, tectonics, and seismicity of these key locations and timeframes, and facility staff continue to support proposal development efforts through designing project implementation plans and budgets.

TheCSDoperationsteamcollected125metersofcorefrom LakeTota,Colombia.

CSDFacilitystaffjoinedcolleaguesinJuly2022fortheDeep DrillingintheTurkanaBasinICDPWorkshopinNairobi,Kenya.

Institute for Rock Magnetism

Written by Josh Feinberg, IRM Associate Director, and Bruce Moskowitz, IRM Director

The past year at the Institute for Rock Magnetism (IRM) reminds me of a quote from Rose Kennedy; “Life isn’t a matter of milestones, but of moments,” and there were a lot of wonderful IRM magnetic moments over the last year! Our flagship IRM-NSF Visiting Fellowship Program continues to attract a wide range of talented researchers from around the globe to conduct magnetics research here in Minnesota on exciting topics ranging from lunar magnetism to the formation of ferromanganese nodules on the seafloor to the distribution of Fe-bearing minerals exhaled from hydrothermal plumes. Visitors ranged from graduate students and postdocs to seasoned faculty, and the ‘magnetic interactions’ between these colleagues and IRM students and staff during their typical two-week stays allows us to share scientific ideas, create new collaborations, and get to know research teams personally, thereby fostering a sense of community. This community feeling was on full display at the IRM’s 13th Conference on Rock Magnetism (June 5–8, 2023). These biennial conferences are normally held in Santa Fe, New Mexico and have provided a unique meeting style for the international geomagnetic community, where almost as much time is dedicated to discussion as to giving scientific talks. For the first time, the ‘Santa Fe Meeting’ was held here on the University of Minnesota campus, giving us an opportunity to show off the lab’s instrumentation as well as the beautiful setting of our department in Tate Hall. The meeting attracted over 60 in-person participants and roughly an equal number of online participants, where approximately one-third of the attendees were junior researchers (graduate students and postdocs). Moreover, an entire day of the conference was dedicated to assessing our community’s ongoing challenges associated with Diversity, Equity, and Inclusivity, with the practical goal of identifying cross-institutional strategies for

improving diversity within our discipline. Despite a collective longing for southwestern scenery, seeing our community come together in such a productive way left all of us inspired to lean further into our own geomagnetic research.

Our team continues to thrive in all kinds of exciting ways. IRM postdoctoral scholar Plinio Jaqueto was awarded the 2022 Early Career Award from the Karst Division of the Geological Society of America for his research on the environmental and geomagnetic records preserved in speleothems. Postdoctoral scholar Jonathan Stine continues to make progress studying environmental and magnetostratigraphic change across the Carboniferous-Permian boundary in Utah. IRM PhD student Rashida Doctor was awarded an Outstanding Student Presentation Award for her talk on the acquisition of magnetization in speleothems at the 2022 American Geophysical Union Meeting in Chicago. IRM PhD student John McDaris was selected as a Grant A. Harris Fellow by the METER Group for his dissertation work on the geophysics of groundwater monitoring. Declan Ramirez continues to study the magnetism of archaeological materials from Minnesota for his Masters project. IRM undergraduate researcher Emma Kostecki has made impressive progress studying the viscosity of natural magnetizations and will be joining us for field work in Brazil in the late summer. Fellow IRM undergraduate Kacie Malone was the recipient of a Undergraduate Research Opportunity Program award to study phase transitions in Fe-bearing clays this fall. Recent IRM undergraduate Josie Welsh started graduate school at the University of Colorado, Boulder. Meanwhile, Max Brown continues to provide a steady hand as IRM Facility Manager, Peat Solheid remains our linchpin in maintaining the vast array of the IRM’s geophysical instruments, and Dario Bilardello plays an essential role mentoring our visitors, authoring and editing the IRM Quarterly, and maintaining the IRM website. All this activity over last year leaves us looking eagerly ahead to see what the next year will bring!

Participantsinthe2023IRMConferenceonRockMagnetismbyNicholsonHall.

Resesarch Center Updates

Minnesota Geological Survey

Written by Tony Runkel, Interim Director and Lead Geologist, MGS

We remain busy at the Minnesota Geological Survey. Our funding has been steady, allowing us to maintain our permanent staff of 26 , along with a large number of students and field technicians. We have geologists conducting field work across most of northern Minnesota, a large swath of western Minnesota, a handful of counties in extreme southern Minnesota, and for several projects here in the Twin Cities Metro area. The field work includes everything from summertime paddling and bushwacking remote areas of the Arrowhead Region to sitting drill rigs in frigid winter conditions in northwest Minnesota farm country.

teaching freshman seminars and upper level core courses, as well as the Introductory and Hydrogeology Field Camps. We are also collaborating on activities beyond established classes. One exciting example is our work with Peter Kang and his research team to develop a research and teaching field site focused on a contamination plume in fractured bedrock on University property on the west bank.

Most of our activity is related to mapping for our County Geologic Atlas (CGA) program. The atlases include maps and databases that describe the geologic and water resources of a county in forms useful for land use planning and resource management. Atlases are now complete or in progress for 76 of the 87 Minnesota Counties (Progress updates are available on the MGS website)! Our ‘hard rock’ geologists are working with the US Geological Survey on the Earth Mapping Resources Initiative with a focus on identifying areas with potential to contain critical mineral resources, particularly those needed for a transition to cleaner energy. Several other MGS scientists are lending geologic and hydrologic expertise to various Minnesota agencies and academic departments in an effort to better understand and mitigate groundwater contamination, including agricultural related contamination in southeastern Minnesota, and large PFAS (Per- and Polyfluoroalkyl Substances) and TCE (Trichloroethylene) plumes in the Twin Cities area.

Collaboration with the Earth & Environmental Sciences Department has been strong. Our geologists assisted with

We are excited about a soon to be delivered upgrade to our borehole geophysical program. Our original system of analog equipment was acquired in the early 1980s, and replaced with a digital upgrade in 1991. To date, we have collected information from over 7,000 wells, used regularly to guide our mapping and assist partner agencies and consultants with geologic and water resources management activities. Our current upgrade will include tools that will enhance our ability to image subsurface fractures, such as Acoustic and Optical Televiewers, and a Full Waveform Sonic tool to measure seismic and other rock properties. The upgrade will allow us to better meet the growing demand for improved characterization of rock and water resources.

The pace of retirements at MGS is diminishing, but we did say a fond farewell to Rich Lively who retired after nearly 45 years! Rich did so much at MGS, from geochemistry to GIS and is irreplaceable. But every departure makes room for a new arrival, which is exciting! We welcomed two this year: Bill Grim, a Carleton College geology alum who will join our GIS group, and Alex Behling, a recent graduate, who serves as our Administrative Assistant. We also had a change in leadership, with MGS director Harvey Thorleifson moving to a full-time role within the ESCI Department. Harvey served as director for nearly 20 years, the third longest tenure in MGS history. I will serve as interim director until a permanent director is hired, likely within a year or two.

MGSgeologistAlliSeversons’sfieldassistant,Jade,takinga breakonanoutcropnearEastTwinLake,CookCounty.

MGSGeologistMaxBezadaanddrillrigoperatorexamining coreofdiamicton(glacialtill)inPopeCounty.

Polar Geospatial Center

Written by Cathleen Torres Parisian, Engagement Lead; Jonathan Pundsack, Acting Co-Director; and Chris Carter, Geospatial Support & Engagement Specialist, PGC

The Polar Geospatial Center (PGC) has been very active, providing expert support and services to our NSF, NASA, and USFS communities over the last year.

Our team has experienced some significant changes including our recent Director hire James (“Jay”) Dickson, effective September 2023. Long time staff member (10+ years at PGC), Cole Kelleher, stepped into the User Services Manager role and was nominated as the newly designated U.S. representative to the international SCAR Standing Committee on Antarctic Geographic Information (SCAGI). As PGC’s user community and scientific discoveries progress, we rebranded our Education and Outreach as Engagement to better encapsulate the reciprocal nature of exchanges between PGC and the greater community, now led by Cathleen Torres Parisian from our User Services team. Most recently, Kelsey Zimmerman recently joined PGC as our newest Geospatial Support Specialist, and Rory Johnson joined as our newest software engineer.

PGC in the News: In Fall 2022, a team of researchers led by PGC released four more years of high-resolution polar elevation data, adding to a total of more than a decade of observations in the Arctic and Antarctic, and creating the most detailed polar region terrain maps ever created. The maps show the polar regions in stunning detail and will provide new insights into the effects of climate change over time.

PGC and the Bell Museum hosted a private screening of a dome show featuring some of PGC’s work in Atlas of a Changing Earth in August 2022. This powerful documentary visualized some of the data built by PGC and collaborators as part of the ArcticDEM and REMA projects.

Beyond the Poles, PGC aided NASA researchers in leveraging satellite imagery to produce a census of trees across the African Sahara. The research was published in Nature and PGC provided over 300,000 images and created the visualization tool that allows scientists and the public to explore the data. Explore the tree viewer on our website!

Engagement: After a two-year pandemic pause resulted in reduced operations for the US Antarctic Program, PGC was thrilled to return to McMurdo—the largest of 3 US stations in Antarctica—in support of the 2022–23 field season. PGC also embraced the opportunity to engage, reconnect, and learn at several national and international workshops and conferences including Geoscience Alliance, AGU, SACNAS in Puerto Rico, Planet Explore, Navigating the New Arctic in Anchorage, AK, and Mapping the Arctic in Nuuk, Greenland. Most noteworthy was having two members of PGC, Cole Kelleher and Chris Carter, attend the 2023 Session of the United Nations Group of Experts on Geographic Names (UNGEGN) at the UN headquarters in New York City. Kelleher presented a report on SCAR guidelines regarding Antarctic geographic naming.

For more in-depth updates on PGC’s activities this past year, please check out our newsletters and announcements on our website!

PGCteamattheBellMuseumfortheAtlasofaChanging EarthprivatescreeninginAugust2022.PhotocreditS.Kressler

ColeKelleherandChrisCarternexttotheUnitedNations GeneralAssembly(#UNGA)signs

Retiring Faculty and Staff

Scott Alexander

Written by Calvin Alexander and Betty Wheeler

Scott listed his skill set as “utilizing natural and man-made tracers in hydrogeologic systems including stable isotopes, radio-active isotopes, inorganic chemical constituents, and fluorescent organic dyes to define ground water recharge rates and travel times. Modeling of geochemical processes using computer based aqueous speciation programs. Measurement of fluorescent properties of organic dyes in aqueous solutions. Measurement of chemical, isotopic and physical properties of fluids. Measurement of aquifer properties ranging from microscopic lithologic to macroscopic fractures to large scale conduits. Design, evaluation, and monitoring of storm water management systems.”

By the numbers, Scott has published: 18 refereed scientific papers, 36 other scientific papers, 152 abstracts and talks, and 21 research reports. He has formally consulted with 11 different companies and institutions, and currently serves on 5 state and local advisory boards. Scott is a member of the Geochemical Society, American Geophysical Union, Geological Society of America, National Ground Water Association, Minnesota Ground Water Association (president in 2009), Professional Ski Instructors of America, and Dive Alert Network.

Scott received the IT Civil Service Outstanding Service Award in 1996 and the Minnesota Ground Water Association Distinguished Service Award in 2010.

Scott C. Alexander retired in September of 2022 after 36 years of outstanding service in our Department. While completing a BSc in Geophysics in 1985, Scott had made himself an indispensable, integral part of Calvin Alexander’s hydrogeology research and teaching programs and formally began working in February 1986, as Calvin’s lab assistant. As the decades progressed, Scott also assisted the hydrogeology research and teaching efforts of professors Pfannkuch, Person, Saar, Ng and Kang, other Earth Sciences faculty, faculty in other departments, and other researchers in state and local agencies. Scott played a critical central role in the establishment of the very successful, nationally recognized University of Minnesota Hydrogeology Field Camp in the mid-1990s and coordinated and co-taught the subsequent hydrogeology field camps.

Scott was promoted to a University of Minnesota Research Scientist in 1991 and held that position until his retirement. Scott also served as University of Minnesota Environmental Hydrogeologist from 2004 to 2012, University of Minnesota Project Manager from 2010 to 2020 and Departmental Safety Officer from 2016 to 2022.

But the numbers, accomplishments, and awards listed above do not adequately describe Scott’s contributions. Scott Alexander has been an amazingly productive geoscientist and contributor to the research, teaching and social life of the Earth and Environmental Sciences Department. Over the decades, Scott has consistently demonstrated a truly

PhotoofScottAlexanderandMarkGriffith,Department LaboratoryMachinistcommemoratingthefoundation ofthemeteoritecollection.

exceptionally high level of professionalism, intellectual curiosity, solid research, and teaching.

In his early work with Calvin’s research and graduate students, Scott performed laboratory analyses and provided significant computer support. This was at a time when we were all scrambling to learn to use personal computers and the emerging software in the 1980s. Scott was ahead of many of us in learning increasingly sophisticated and useful software. Software development was in a period of what might be termed the ‘Wild West’. No one knew which software products would be the most useful for recording, manipulating, and portraying research results, much less which software would have continued support.

other imaging capabilities became available, and could be coupled with GIS to enhance our research and publications.

As an indispensable member of the various Hydrogeology

Field Camp teams, Scott had the ability to explain to newer groundwater students the hydrodynamic principles of groundwater flow, and how those components are mathematically represented. After finishing their Field Camp experience, his students had developed a much deeper understanding of how to track, measure, and quantify the flow of water.

One central theme in much of Scott’s research has been to determine the age or residence times of groundwater in Minnesota. He pioneered the use of 14C to determine the ages of the oldest groundwaters up to tens of thousands of years and introduced the ‘vintage waters’ nomenclature for such old waters. He pioneered the use of 3H (tritium) measurements to identify the ‘modern’ post-1950 groundwaters and used fluorescent dyes and other tracers to determine days-tomonths residence times. Scott continued to do this fieldwork for decades. Those results are routinely used by the MDH, the MGS, MDNR, and many other water specialists.

Throughout his career, Scott often identified new areas of interest and research that few others seemed to consider. He diligently pursued the funds to investigate these topics and produced technical papers too numerous to mention. Various publications from his own research, as well as those he co-authored with Calvin and others, have become classics in Minnesota. Particularly notable are papers on the flow of water and geomorphology of the karst of southeast Minnesota.

Scott was always willing to lend a hand and with good humor assist with the field work of many faculty, students, and other researchers. He was invariably invested intellectually in the research, and frequently offered excellent ideas on how to improve the accuracy of the day-to-day logistics to collect the data.

Scott relished taking the lead to learn and teach others how to use Geographic Information System (GIS) mapping products. GIS quickly became one of the most important tools in the modern era for geologists to map the Earth and portray the geology and groundwater flow in two and three dimensions, and through time. Likewise, Scott’s facility with computers became essential when air photos, LiDAR, and

Scott provided significant organizational and related support for numerous field trips for local, regional, and national professional organizations. Some of those field trips offered particularly meaningful field experiences to groundwater specialists and consultants, and highlighted a variety of unique geology and groundwater aspects of Minnesota. Since 2020, Scott has been Chief Geologist of Darcy Solutions. Scott co-invented a new, high-efficiency borehole geothermal heat exchange system. As Chief Geologist at Darcy Solutions, Scott oversees the specification, design, installation, and construction of such borehole heat exchange systems.

Scott Alexander is a gentleman, scholar, brilliant scientist, effective teacher, mentor, proactive citizen, futurist, and a caring, compassionate, true friend. His colleagues and anyone with whom he has worked have great admiration for Scott. The Earth & Environmental Sciences Department is now a poorer place without him.

ScottandMartinSaar,formerassistantprofessor,at HydrogeologyFieldCamp,2006.

Retiring Faculty and Staff

Mark Zimmerman

Written by David Kohlstedt, and Sally Kohlstedt, professors emeriti, and Lars Hansen, Professor

followed by a Ph.D. in 1999 in geophysics, both at the University of Minnesota. He then continued in the Rock and Mineral Physics lab at UMN, first as a postdoc, then as a research associate, and finally as a research professor. As lab manager for the rock deformation group, Mark trained more than forty graduate students, postdocs, and visiting scientists—as well as a small army of undergraduate interns—in the art of conducting high-pressure, high-temperature experiments.

Mark is a highly skilled, productive, and respected scientist. His pioneering research on the microstructure and rheological properties of partially molten rocks, for example, demonstrated the importance of a small amount of melt on rock viscosity and the role of deformation on the alignment of that melt, both fundamental contributions to a myriad of geophysical studies of Earth’s upper mantle.

On March 30, 1981, Mark Zimmerman had just started working as an Emergency Room Nursing Assistant in the ER of George Washington Hospital. A few blocks away, President Ronald Reagan was shot in an attempted assassination and rushed to the Hospital. Mark was one of few told by the President’s security detail to stay; he was given the assignment of cutting off the pants of the President’s “thousand-dollar” custom-made suit so that he could be examined. Mark wasn’t deterred from snipping away, even when President Reagan complained about ruining an expensive suit. This high-pressure encounter clearly demonstrated that Mark was well-suited to take charge of the high-pressure lab a few years later.

Mark received a B.S. degree in zoology at George Washington University in 1983 and a few years later, a B.S. in geology

His deformation experiments on Fe-rich olivine provided constraints on the viscosity of Mars’ mantle, while his work on the strength of dry diabase is often cited to help explain

MarkintheJosephinePeridotiteshearzone,1991.

Markreceivingapresentathisretirementpartyin2022.

the lack of plate tectonics on Venus. Even in retirement, he continues to interact closely with members of the Rock and Mineral Physics group. The results from his ongoing experiments on the rheological properties of partially molten rocks are being applied to modeling the dynamic behavior of Jupiter’s moon Io, the most volcanically active body in our Solar System. Mark is co-author on over forty peer-reviewed publications and principal investigator on numerous NSF and NASA research grants. Mark is truly a wonderful colleague, always eager to help design experiments or to talk science.

One of Mark’s very important contributions to the rock and mineral physics community grew from his interactions with Prof. Mervyn Paterson of the Australian National University. Mervyn designed a highly productive high-pressure, high-

temperature materials testing apparatus, which were distributed commercially to a select number of labs around the world. With two rigs located in the UMN lab, Mark learned the ins and outs of this sophisticated equipment in great detail. In order to help colleagues around the world, Mark visited Mervyn in Canberra to collect and copy the design drawings, which are now archived so that anyone can have access in order to build a Paterson apparatus.

A lifelong Minnesotan, Mark regularly hikes and explores northern Minnesota. He and partner Kim Neuvar especially frequent and establish friendships along the North Shore of Lake Superior. His spirit of inquiry and adventure are evident in his scientific pursuits as well as his life away from the lab.

RockandMineralPhysicalsgroup,2014.

MarkandKimontheNorthShoreofLakeSuperior in2014.

MarkPlaingChesesinItaly,2014.

Alumni Spotlight: Michael Block, ‘82

Written by Kaleigh Swift, Communications Specialist

It is not uncommon for someone to enter into a college program with a general idea of what they’d like to pursue. This is often informed by our experiences in youth, the guidance of our parents, or what a person tended to enjoy or excel at during high school. However, for any number or reasons, it is also common for someone to switch paths during college. Maybe they switch to something that is more attuned to the skills with which they excel. Maybe they are forced, by necessity, to make a change in their trajectory. Or maybe they become interested in a subject that they had little to no exposure to during K-12, but were given the opportunity to explore while continuing their education. The latter is all too relatable for alumnus Michael Block.

Mike was born in Paynesville, MN, a small town about a two-hour drive west of Minneapolis. He attended a one room schoolhouse located two miles out of town, where his family resided. “About half the class was my cousins,” he recalls. The schoolhouse had an outdoor hand water pump, an indoor privy, and a wood burning stove used to heat the space. It also had a familial connection: “my father and my grandfather had also gone to that school,” Mike explains. In 1966, Mike’s family moved into the metro area, first landing in Columbia Heights, and later moving to St. Anthony where he attended high school, graduating in 1974.

After high school, Mike went to the University of Minnesota and planned to pursue a career in petroleum and mineral exploration, but in 1979 he decided to make a bit of a career change. Mike got a RA position working with the Minnesota Geological survey. During his time at the MGS, he worked mostly on groundwater projects, piquing his interest in hydrology and groundwater protection. He decided to pursue a second major in geology. His move to geology stemmed from two primary places: stability and interest. At the time, the United States was in the midst of the energy embargo causing a lot of precarity. “The industry goes in highs and lows,” he states, “and I just kind of decided at that point that I didn’t really want to be in that cyclic type of environment.” MGS was doing a groundwater inventory that Mike really

enjoyed working on. It required RAs to go into the field and locate wells. They then, in the office, converted drillers logs to a digital mapping system inventorying the groundwater resources of the state. During his time in the ESCI department, Mike worked closely with—and was advised by—former Emeritus Professor, Olaf Pfannkuch (d. 2020), and current Emeritus Professor, Peter Huddleston. Mike graduated with a B.S. in Geoengineering (‘80), and a B.S. in Geology (‘82).

After finishing his degrees, Mike applied to do a M.S. at the University of Arizona to work in the nation’s only hydrology department but was quickly disappointed. He explains, “the department was known, and was world renowned for their expertise in hydrology, but they were kind of resting on their past laurels and a lot of their curriculum was really outdated. I was there too late. Their department really wasn’t too functional.” After spending several months in the program, Mike decided to pivot and apply for an internship with the Pima Association of Governments (PAG), a metropolitan planning organization that handles regional planning for transportation, water quality, and air quality. He started his internship, then proceeded to work with PAG in several capacities over the years, and in 1985 was promoted to a fulltime water quality planner. At that point he decided to leave the University of Arizona. His new work focused on landfill and pollution source studies in the Tucson metropolitan area. He also assessed pollution sources for federal Superfund programing and partnered in an initiative to develop an aquifer protection plan for Eastern Pima County.

Mike enjoyed his work with PAG immensely, but in 1993 he decided to pursue another major career change. He was hired as the district hydrologist for the Metropolitan Domestic Water Improvement District (Metro Water), a public water utility serving about 50,000 people. He became responsible for complying with state water supply and quality regulations. Mike elaborates, “in the large population areas there is a requirement for demonstrating 100–year assured water supply, and that was one of the things that I undertook for our service areas.” Water quality legislation was driven by voter petitions and initiatives–a popular method of citizen-led change-making in Arizona. “Arizona has a strong petition-oriented option in the State, so there was a push in the mid-eighties to come up with an Environmental Quality Act, and that was petition driven,” he explains, “that forced the legislature to develop a regulatory protection program as far as the aquifer water quality standards, pollution discharge permitting, and recycling programs.” Groundwater source protection was a major initiative by Metro Water that required Mike’s oversight of a number of programs. Some examples include: drinking water compliance, wellhead protection, new well drilling, tracking and capping of unused wells, retrofitting old wells with new and deeper grout seals to meet new regulations, groundwater monitoring used to

MikehikingnearPagosa Springs,CO,May2022.

verify the sustainability of the aquifer, groundwater treatment, and managing the new contract for use and recharge of Colorado River Water. Mike stayed with Metro Water from 1993 until his retirement in 2017.

summers at the cabin located at 7,000 feet of elevation—a cool reprieve from the heat of the Tucson metro. In one instance in 1988, Mike’s love of the outdoors was not reciprocated by Mother Nature. Mike and some of his friends were hiking out of a remote desert canyon in the late afternoon when he felt a needle prick into his calf. He had accidentally disturbed and was bitten by a rattlesnake! Over the course of the next several hours, the venom took hold, and Mike’s friends scrambled to get him help. By the time they got Mike out of the canyon at 2 am, his leg had swelled to about three times its normal size. He was rushed to a hospital and the antivenom was administered, saving his life. While in recovery, a friend of his stopped by. He laughingly recalled her telling him “Mike you only met two of the four criteria for getting bit by a rattlesnake: you’re a male and you’re over 30, but you weren’t drunk, and you weren’t trying to catch it!” Ultimately, Mike’s harrowing experience did not deter him from spending time outdoors or slow his work on environmental protection.

Throughout his career, Mike remained active in a number of professional societies including the Arizona Hydrological Society (since 1985), and the National Ground Water Association (since 1982), and local organizations like Tucson Clean and Beautiful. His work creating a tracking program for unused wells, in service of protecting aquifers from improperly abandoned wells would have him go on to receive a groundwater protection award from the National Ground Water Association. He has been regularly involved in the Arizona Hydrological Society symposium planning. He works to secure funds, so that their scholarship and fellowship programs are self-sustaining, and has also chaired the event. In addition to societies and non-profits, Mike has also served on several water protection committees and advisory boards, including the Arizona Water Protection Fund Commission (AWPF), and the Tucson Groundwater User Advisory Committee (GUAC).

Mike’s love of the natural world extends beyond groundwater protection. He is an avid hiker, and kayaker, and enjoys

Over the course of his education and career, Mike has had the opportunity to explore different interests and follow new paths. In college, much of this flexibility was owed to the fact that university was not nearly as expensive as it is today, and there was much more state funding available to support students. Although he can’t account for all of the increase in cost, he wanted to pay forward some of that support. “I just really thought they [ESCI] were doing a great job and everything. And I just wanted to pay forward the benefits that I had received when I was in college,” he explains. Mike established the Michael W. Block Scholarship for Earth and Environmental Sciences which has the purpose of providing financial support to undergraduate, degree-seeking students in the Earth & Environmental Sciences Department. The Department is deeply grateful for Mike’s support! If you’re interested in supporting our students through a gift to any of our existing funds, or by establishing your own fund, please contact Lexi Thompson at lexi@umn.edu

1999Governor’sPrideinAZAwardsforGroundwater Protection.

MikeandwifeLori(m.2001)raftingontheRioGrande, nearTaosNM.

MikeOutsideofPillsburyHall,2022.

Department Activites

U of M Geological Society (GeoClub)

Written by Emma Kostecki, 2022-2023 GeoClub president

As we transitioned back to completely in-person classes, we as GeoClub officers wanted to once again foster a community for the undergraduate students and build connections with the rest of the department. Over the course of the fall, we did a number of activities: we decorated pet rocks and broke open geodes, did pumpkin painting, watched a Halloween movie, had snacks and relaxing activities during finals week, and hosted a book drive for Green Week. The books were used for a book sale in December and the funding went back to the department. In November, we had a meeting with the Confronting Colonialism Group in ESCI which was a great way to get undergraduate folks involved with this important issue.

just meetings in Tate Hall was a great way to become better friends with other students and interact with people you may not be with in class.

Spring semester was also jam packed with events and sales. We had alumna Shanna Schmitt (AIPG) come in to discuss how we can get involved with the professional geoscience community in the Twin Cities. We held a Valentine’s crafting day, which was open to the whole department and was a great success. Faculty and graduate students participated along with the GeoClub members. We hosted two successful bake sales and also did the succulent sale again, which brought in a lot of people from outside of our department. GeoClub helped to table at the CAPE major/minor expo in Coffman Memorial Union to help students who are still deciding their majors. We sponsored a ski trip to Trollhaugen which was so fun and had a really great turnout! In April, we all met up at Tate Hall and went together to a Twins game. This year was also filled with geology movie nights with Justin, which were SUCH a hit. I heard a lot of people excited about them and hope we continue them next year. Doing activities beyond

GeoClubendofyearcelebrationatGoldy’sGameRoom.

We rounded out the year by having a meeting to discuss accessibility in ESCI (with Kat and Grace) and field camp (with Annia and a few grad student TAs). The astronomy club invited us to join them at the planetarium at the Bell Museum for an evening. In the future, I think doing more events with other student groups (AstroClub, Mining/Metallurgy, etc.) could be a good way to reach out and invite new members to GeoClub. We had our last meeting of the school year at Goldy’s Game Room for bowling, pizza, and celebrating the end of the year!

GeoClub Spring Trip

Written by Joel Barker, Research Faculty

From May 17 to May 27, four brave undergraduate souls from the GeoClub, along with PhD candidate Diede Hein and research faculty member Joel Barker, explored east-central California as part of the 2023 GeoClub Spring Trip. The western Sierra Nevada experienced exceptional snowfall during the previous winter, and the team had to adapt to a wide variety of conditions, often at short notice. Whether it was hiking through waist-deep snow to visit Obsidian Dome near Mammoth Lakes, CA, or finding alternate routes and campgrounds in and around Yosemite National Park due to changing road conditions, students exhibited remarkable patience and good humor as they got a taste for how the best laid field plans can dissolve in an instant. As would be expected in a Department of Earth & Environmental Sciences trip, topics spanned a wide range of subjects including

GeoClubMemberspaintingpetrocks,fall2022.

volcanism in Death Valley National Park and Mammoth Lakes, exotic geochemistry at Mono Lake, paleoclimate archives at the Ancient Bristlecone Pine Forest, sequoia stands of Sequoia and Yosemite national parks, and the Trail of 100 Giants, karst cave formation and ornamentation at Saddleback Cave, glacier erosion in Yosemite National Park, landscape alteration by mass movement everywhere, and 1980s album covers as we drove through expansive Joshua tree stands near Lake Isabella. We also gained insight into the potential application of an undergraduate education in Earth & Environmental Sciences during an informative tour of a geothermal energy plant at Mammoth Lakes. It was an intense 10 days but a truly unique experience for all involved!

Field Courses

Written by Annia Fayon, Adjunct Professor, Field

Field courses represent transformative and defining classes in our Earth Sciences and Environmental Geosciences degree programs. They are frequently remembered by our alumni as among the most rewarding experiences of their undergraduate careers. While providing students with real–world experiences, field courses help students develop knowledge and transfer skills among various geoscience disciplines through explicit tie-ins to core courses across our program. Furthermore, these courses are unique opportunities for students to develop self-awareness and interpersonal skills that employers seek in potential new hires.

Earth & Environmental Sciences field curriculum is composed of four courses: Field Methods (Spring), Introductory Field Geology (Summer), Advanced Field Geology (Summer), and

StudentsexposinganoutcropformappingduringIntroductory FieldGeologyinNorthernMinnesota.

Hydrogeology (Summer). Offering this suite of courses to our majors provides continuity in community, content, and instruction from the 2–credit Field Methods Workshop to the various experiential learning opportunities in the summer. During the summer months, students develop a range of skills from basic lithologic mapping in the introductory course near Dillon, MT, to monitoring water supply wells in the hydrogeology field course. While the specific learning objectives for each course differ as a function of content, all courses maintain common objectives focused on communication, data collection and analysis, field safety and project design.

TAswaitingforstudentstofinishthefinalmappingexercise, andpassingthetimebywatchingfellowGradStudent, JabariJonesdefendhisPhDthesis.

The Field Committee and the department recognize the importance of the summer courses and are working to

YosemiteValley: L-R:DiedeHein,GabrielleBennett,Abigail Wilwerding,AnjolieBuzo,MykolaStepchuk

Course Coordinator

Department Activites

increase access to these learning experiences. Access comes in many forms. With regard to financial access, we continue to provide scholarships to offset course fees and provide gear to those students who need assistance. Additionally, our courses have evolved over the years to incorporate technology, virtual learning, and accommodation of different learning styles. The changing conditions of higher education, and differing needs of our students requires that we continue to keep our courses dynamic and adaptable while maintaining their integrity and intellectual rigor.

Community Environmental Justice Workshop

Written by Jabari Jones, Graduate Student, workshop coorganizer

The Spring 2023 Community Environmental Justice Workshop was held on April 29th at the Phillips Community Center. There were 14 community partners from 11 organizations in the Twin Cities who attended the workshop. The focus of the organizations included urban farming, conservation, youth engagement, climate resilience, and environmental justice. 18 researchers from the University of Minnesota attended the workshop, including people from ESCI, Soil, Water, and Climate, and Forestry. The researchers work on projects such as urban ecology, soil chemistry, design and architecture, public health, water and sanitation, and hydrology.

the sciences by centering the community in research and development. Additionally, we aimed to build awareness, understanding, and capacity for community-centered research and engagement. The workshop included a presentation about a collaboration between a community organization and the University of Minnesota that resulted from the Fall 2021 Environmental Justice Summit. After the presentation, we held small group discussions centered on topics chosen by participants in a pre-workshop survey. During these discussions, people introduced how the topic related to their work/interests, shared upcoming events, and posed questions on how university researchers could offer resources and respect community expertise on the topics. The event concluded with a presentation by the SoLaHmo partnership on how to craft a memorandum of understanding for community/university partnerships. We shared a resource folder with participants at the end of the event that includes contact information and resources.

Diversity, Equity, and Inclusion

Written by Kat Cantner, Diversity, Equity, and Inclusion Committee member

The working groups of the DEI Committee have spent the past year connecting with CSE D&I Alliance and other ESCI committees and initiatives to sustainably integrate diversity, equity, and inclusion into departmental decision making. This process has been guided by the outcomes identified by the Unlearning Racism in the Geosciences project. The suggested policies and action items can be found in the URGE executive summary.

Sustainability requires investment in community building and collaboration between all ESCI committees including the Outreach, Field, Display, and Hiring committees. DEI working groups also attended Geoclub meetings to facilitate discussions on Confronting Colonization and Accessibility and to build community with undergraduates in ESCI. Departmental Justice, Equity, Diversity, and inclusion (JEDI) seminars included presentations and workshops on confronting colonization and community engaged research.

The goals for the workshop were to initiate and support meaningful relationships between researchers at the University and Twin Cities communities marginalized within

The Confronting Colonization in ESCI working group has been an active leader in the Department this year. This is an ESCI-wide initiative for substantive commitments to ethical and accountable work with Indigenous peoples and lands. This year interested ESCI staff, researchers, faculty and students formed small groups to complete six reflection activities. These meetings featured a structured curriculum, with reading assignments and guiding questions to facilitate discussion. The goal was to reflect on ways

DavidWoods,ConservationProgramDirectoratUrbanRoots, presentsaboutthecollaborationbetweenUrbanRootsand theSantellilab(ESCI)thatwasformedduringtheFall2021 community-universitysummit.

the groups’ research perpetuates, benefits from, and/or opposes colonization. The groups were prompted to consider both how they can improve their research practices, and whether they should at all. By reflecting on our place in a larger societal context, we aim to not only do science, but do harm-free, beneficial, and ethical science. We have updated the initiatives page of the ESCI website to include our Interim Statement of Intent, Commitments to Confronting Colonization, Implementation Timeline and Executive Summary to increase accountability in this work.

Earth Student Research Symposium

Written by Julia Andreasen and Diede Hein, Graduate Students, Symposium Committee co-chairs

This year’s symposium was held completely in person on March 31st and for the first time included committee members and presenters of the department of CEGE. The work of 20 graduate students and 15 undergraduate students was showcased to the over 100 registered attendees from six different departments/programs. The presenters came from ESCI, SWAC, CEGE, andthe Water Resources Department, and the presentations spanned a wide range of Earth science related topics, from anelasticity of the Earth’s mantle to ecological strategies for increasing coffee-bean crop yields. Additionally, we were excited to have had Dr. Elizabeth Sumida Huaman deliver a keynote lecture on the relationship between indigenous lands, cultural practices, and in-and-outof-school learning with indigenous communities and tribal institutions in the Americas. In addition to generous food grants from the university caterer, the Geoclub provided sweets and snacks to attendees through a bake sale.

The symposium relies on postdocs and researchers, who volunteer their time and insight, to act as anonymous judges. Each presenter receives feedback from multiple judges on their research and presentation skills. Best poster presentation and best talk awards and associated prizes were selected based on scores given by the judges. This years’ winner of the best poster award was Soisiri Charin, who presented on her hydrothermal experiments constraining stable potassium (K) isotope fractionation during phase separation. The winner of the best oral presentation award was Woonghee Lee for his presentation about three-dimensional flow and inertia effects on pore-scale mineral dissolution.

EarthSRS is an annual student-led research symposium organized by graduate students in the Departments of Earth and Environmental Sciences (ESCI), Soil, Water, and Climate (SWAC), and Civil, Environmental, and Geo-engineering (CEGE). EarthSRS is an opportunity for graduate and undergraduate students to share their research and accomplishments with the Earth science community at the University of Minnesota.

Overall, we were very content to host the first in-person student research symposium since the pandemic, and it was great to see people from various departments engage with Earth-related research across the U of M.

GradstudentRebecaOliveiraR.B.Pereirawelcoming Symposiumparticipantsandguests

ThetalksessionsoftheStudentResearchSymposiumfeatured atotalof12talksfromCEGE,SWAC,andESCIstudents.

ThepostersessionsoftheEarthStudentResearchSymposium featured11graduatestudentand14undergraduate posterpresentations.

Department Activites

Outreach Committee

Written by Adaire Nehring and Cessie Socki, Outreach Committee members

The 2022-23 school year was a big year for outreach events. We had volunteers help at the Bell Museum, give lab tours to UMN students, and speak with middle schoolers about earth science.

The English as a Second Language (ESL) class from the University of Minnesota’s Intensive English Program visited our department to provide an opportunity for students to practice communicating in English about Earth science topics. The students in ESL 130/230, taught by Catherine Clements, had been learning about natural disasters and they toured a few labs that studied earthquakes and volcanism. They toured the Aqueous Geochemistry lab, Structure Tectonics and Metamorphic Petrology lab, and the Rock and Mineral Physics lab. While visiting these labs, they learned about hydrothermal systems, significance of tectonic plate boundaries, and deformation mechanisms of Earth’s interior, and how these can be related to natural disasters.

ESCI graduate students, along with Professor Calvin Alexander, volunteered for the two-day annual SpaceFest event at the Bell Museum. As a department, we provided hands-on activities for the general public to learn about crater impacts and meteorites. The first activity, aimed at a younger audience, dropped various sized balls into a sandpit to create a crater. They explored how height, force, mass, and size of the balls impacted the crater size. Meteorite expert Professor Alexander provided meteorite hand-samples for the public to hold and observe. They were able to ask questions and learn about identifying meteorites from an expert.

In April, ESCI graduate students as well as a member from MGS spent a day at Minnetonka Middle School West interacting with 5th graders in their Earth Science classes. For each class session there were two main activities: Small group specimen ‘meet and greet’ and ‘path to geoscience’ mini lectures. The Earth scientist showed students specimens related to their field of study, and the students were able to handle the samples and ask questions. Multiple scientists spoke about what got them interested in Earth sciences and shared stories about their early engagement in the field. The students got to see the unique and personal ways in which people pursue a field of science, showing that it is not always such a linear path.

We look forward to what the next academic year holds for outreach!

2022 Earth Educators Rendezvous

Written by Josh Feinberg and Peter Kang

Beyond conducting fundamental geoscience research, our department also has a long tradition of developing exciting approaches to geoscience education at all levels. A recent

ProfessorCalvinAlexanderandESCIgraduatestudentsat theBellMuseum’sSpaceFest2023teachingandanswering questionsaboutthevariousmeteoritesamples.

Postdoctoralresearcher,Dr.GuyEvans,gaveatourofthe AqueousGeochemistrylabtoagroupofESLstudents. Dr.Evanstaughtthemaboutseafloorhydrothermal fluidsandmineraldeposition.

GraduatestudentJeremiahMcElweegivesapresentationon hispathtoEarthScience.

example of such activities involved Josh Feinberg and John McDaris, who served as local hosts for the 2022 Earth Educators’ Rendezvous (July 11-15) convened by the National Association of Geoscience Teachers (NAGT). This event attracted roughly 230 college and university faculty, graduate students, and K-12 teachers from many disciplines with shared interests in improving teaching and learning about the Earth. The meeting enjoyed the use of new classrooms in Tate Hall, and also held events in the Weisman Art Museum, Coffman Memorial Union, and even the Recreation and Wellness Center. These annual conferences offer unique opportunities for geoscience educators to share lessons and ideas and learn from their colleagues’ experiences. The meeting’s structure involves concurrently run three and two–day morning workshops that allow participants to delve deeply into an array of important educational issues, including topics like, ‘Preparing Students for Careers, Licensure, and Industry’, ‘Creating a Graduate Program that Fosters the Success of All Students’, and ‘2-Year College Whole Student Mentoring: Recruiting and Guiding Students into Geosciences.’ Peter Kang and colleagues were among those workshop conveners (see below). Outside of such workshops, participants also interacted in numerous mini-workshops, forums, and round table discussions.

of Washington, Bothell) whose talk, “Beyond Climate Despair: From Anxiety to Agency” discussed strategies for helping students process difficult emotions about climate change and develop the resilience to stay engaged in the geoscience work ahead. The 2022 Rendezvous was a huge success, thanks in large part to the involvement of departmental faculty, postdocs, and graduate students!

This was the first in-person Earth Educators’ Rendezvous meeting since 2019 and, consequently, many discussions addressed educational issues associated with the pandemic, remote teaching, student mental health, and a greater awareness of unequal representation, access, and inclusivity within the geosciences. One of the meeting’s plenary speakers, Professor Wendy Todd (UMN, Duluth), spoke to this latter issue in their talk, “Equitable Education for ALL: Re-Imagining (Geo)Science Education Practices by Acknowledging the Importance of Cultural Identity in Science” where she described her efforts to braid Indigenous Traditional Knowledge with Western science to create culturally-aligned research experiences for students in settings that promote identity, belonging, place, and security. The meeting’s other plenary speaker was Professor Jennifer Atkinson (University

Educatorsduring2022EERdoinggroupworkshop

Peter Kang and Michael Chen (postdoc in Kang group) have been closely collaborating with high school teachers through the Minnesota Earth Science Teachers Association (MESTA) to introduce research and teaching materials into the high school curriculum. This collaboration is timely because the 2019 Minnesota K-12 Academic Standards in Science set new acheivement expectations in science for students. Water is a key theme among the new standards, and more hours of education have been allocated to Earth sciences. This change will be a challenge to K-12 teachers. We have been closely collaborating with Matt Winbigler, who teaches at Cloquet High School, and Carmen Gavin Vanegas, who teaches at Minneapolis South High School, to develop a teaching unit for the new standards. We co-organized a 3-day workshop on “Bringing visual groundwater teaching tools and field experiences into K-12 teaching” at the 2022 Earth Educators’ Rendezvous in collaboration with these two instructors.

Based on the visual groundwater teaching tools and field activities at a local contaminated fractured aquifer developed at the three–day workshop, Matt and Carmen developed a six–week teaching unit focused on groundwater. This teaching unit is expected to satisfy several Next Generation Science Standard (NGSS) benchmarks and was successfully implemented in Fall 2022; it directly affected about 400 students, many of them from underrepresented groups in the STEM fields (250 students at Cloquet High Scholl and 150 at South High School). The developed content will continue to be improved and eventually distributed through various established teachers’ online platforms. We have a five-year collaboration plan to continue this work, which is funded through Peter Kang’s NSF CAREER project.

Participantsatthe2022EarthEducators’Rendezvousheldin TateHall,July11-15.

Awards, and Other Noteworthy News

Awards

In addition to the faculty awards mentioned in the opening remarks of this Annual Report, there have been a number of additional awards and honors bestowed upon folks in the department. Our students, researchers, and faculty are exceedingly accomplished and are almost always being honored by the university and others.

Rashida Doctor won an AGU Outstanding Student Presentation Award at the fall 2022 meeting for her work on magnetization in speliothems.

Larry Edwards was among four College of Science and Engineering faculty who were recently named among the most ‘highly cited researchers’ in the world. The international list was released by Clarivate Analytics in late 2022.

IRM Postdoc, Plinio Jaqueto received the Brazilian national award for best PhD thesis in Geophysics 2022, and GSA Karst Division’s Young Scientist Award.

Earth Sciences major Kacie Malone was awarded a Future Leaders Scholarship by the Association of State Floodplain Managers (ASFPM) Foundation. This is a prestigious two year $20,000 per year scholarship.

Jordan Mayer from the MGS won a CSE Outstanding Service Award. These awards are presented annually by the Dean to recognize and reward exceptional performance and contributions by academic professional and administrative staff, civil service employees, labor-represented staff, and student workers, as well as work groups.

Maddie Nyblade won the 2023 Outstanding Community Service Student Award for work on the ESCI DEI committee, Confronting Colonization workgroup, the CommunityUniversity Environmnetal Justice Workshops, her deep involvement in the Manoomin Project, among other influential and effective actions. This is the highest honor the University awards to a student for service to the community.

Maddy Nyblade and Natalie Raia were among a select group of grad students selected to attend the 2023 CASE Workshop in Washington, DC, from March 26-29, 2023.

Amanda Patsis was one of 11 PhD students awarded UMIIMnDRIVE Graduate Assistantship. These awards are made to grad students involved in research at the intersection of informatics and any of the five MnDRIVE fields.

Shanti Penprase won an AGU Outstanding Student Presentation Award at the fall 2022 meeting for her work

studying the Whitewater River and its response to regional climatic shifts since the last glacial maximum.

PhD student Natalie Raia was selected to be a part of the American Geophysical Union’s (AGU) 2023-2024 Voices for Science program.

Cara Santelli won 2023 CSE Excellence in Diversity, Equity, and Inclusion Faculty Award. Cara shared this award with Edgar Arriaga for pioneering work co-leading the CSE D&I Alliance.

Alumnus Ben Tutolo, (Ph.D. 2015) received the high honor of being named the 2022 recipient of the Mineralogical Society of America Award. The award was presented at the fall 2022 GSA annual meeting.

Nicole Wagner received the National Association of Geoscience Teachers (NAGT) Outstanding Teaching Assistant Award.

Xinyuan Zheng received a prestigious NSF Career grant for his innovative work on potassium isotopes in the environment.

Department Graduation Ceremony and Reception

Written by Jennifer Petrie, Student Services Professional

Earth&EnvrionmentalSciencesundergraduateclassof 2022-23preparingforgraduationceremony.

Early last fall, as the semester had just begun, we were notified, by the College of Science and Engineering that the 2023 Spring Commencement Ceremonies were not going to be held at 3M Arena at Mariucci as they had in past years due to planned upgrades to the venue. To hear that commencement would not be at Mariucci was devastating to many students who had already had their high school graduation ceremonies online due to Covid-19. As an alternative, the university did

have a plan to hold commencement at Huntington Bank Stadium (where Gopher Football plays). But due to the size and scope of the commencement at Huntington Bank Stadium, students would not be able to walk across the stage or have their names read aloud. Students in ESCI were quick to voice their frustration with this new format. The department and I understood how big of an impact this was on the students. We needed to step up and find a way to host a ceremony to accommodate and celebrate our students, with their families and friends.

I collected feedback from students about what would make a graduation celebration event special to them, and two main requets emerged: the students wanted to have their names read out loud in front of their friends and families, and they wanted to walk across a ‘stage’ of some sort. Hosting a department wide ceremony would be an entirely new thing for us, but we were ready for the challenge! I enlisted the help of Kaleigh Swift, communication specialist for ESCI, to assist me with planning the event.

Graduate Studies. David Fox also assisted in hooding graduate students, with assistance from Dr. Crystal Ng, and Dr. Pete Makovicky. It was really special to see the huge smiles on the faces of the graduate students who have reached this milestone. The hooding of graduating students is said to signify the end of their graduate career and their transition into their scholarly career the recipient’s transition from student to colleague.

We figured out a suitable space in Tate Hall to hold a ceremony, and I started compiling an invitation list that included students who graduated in Fall of 2022, and Spring and Summer of 2023. Once those lists were done, Kaleigh sent the invites to the students and their friends and family members. By the time the event came around we had nearly 120 RSVP’s to our Department Graduation Ceremony and Reception! So many RSVP’s that we needed two classrooms for overflow Zoom viewing of the ceremony.

We created a stage in a large lecture room and adorned it with a wonderful balloon arch for the students to stand underneath while they had their names read aloud and accepted their diploma covers from Department Head, Dr. Justin Revenaugh, Dr. Joshua Feinberg, Director of Undergraduate Studies, and Dr. David Fox, Director of

After the short ceremony, a reception was held in Tate Hall room 401-20 and the 4th floor commons area. The reception area was filled to the brim. There was no shortage of smiles from proud students and faculty, and with even prouder family and friends.

NatalieRaia,Ph.D.afterbeinghoodedduring graduationceremony.

Earth&EnvrionmentalSciencesclassof2022-2023.

PhotoboothphotosofgraduatingM.S.student,Lynnea Jackson,andgroupmembersMinyoungSonandVik Radermacher,andadvisor,Dr.PeterMakovicky.

We invited The Traveling Photo Booth to our reception this year to make things extra special for the students and their guests. It was a hit! We can’t wait to invite them back next year for our reception. They had some wonderful props for their photos. Everyone signed a photo book that we are excited to look back on for years to come!

Thanks to everyone who attended this year! Congrats to all the 2023 graduates! We can’t wait to see what you do to change the world. Please keep in touch with the department!

ESCI at GSA and AGU

Student Services

we offer before applying. Having grad students work the booths also proved to be invaluable as they were able to offer prospective students a perspective that staff could not. This upcoming year, we have two new graduate students starting that originally connected with the department at GSA and AGU. We hope to continue having graduate recruitment booths at both AGU and GSA in the future.

This past year, the department attended two major geoscience national conventions. In October, staff, and several faculty, students, and researchers attended the Geological Society of America (GSA) convention in Denver. A few months later, in December, Jen Petrie and many in the department also attended the American Geophysical Union (AGU) convention held in Chicago. Jen was in charge of running the graduate recruitment booths at both conferences, and was assisted by others in the department who helped staff the booths. This was the first year that the department staffed booths at both AGU and GSA.

Conferences, besides being important forums for discussing research, are also important social experiences and recruitment opportunities. They are a fantastic place to meet new people and discuss the work of our department. When staffing the grad recruitment booths, prospective students are able to ask any quesitons they have about the programs

NasaboothinexhibitionhallatGSAinDenver,2022.

This year GSA is taking place October 15–18 in Pittsburgh, and AGU is December 11–16 in San Francisco. If you are planning to attend either convention, please make sure to stop by our booths and say hello (and pick up some pretty cool swag)!

Mark your calendars!

The 2023 Earth & Envrionmental Sciences Annual Alumni Reception will be taking place on December 11th in San Francisco during the 2023 AGU Meeteing!

1980’s Field Camp Reunion

Written by Melisa Pollak, B.S. 1983

In 1983, thirty-six U of M geology students with their TAs and professors went to field camp in Gunnison, Colorado. A few weeks in the dorms of Gunnison community college, then out to remote base camps for mapping as field teams. Planning meals, packing in provisions (including watermelons – looking at you Dave Caldwell), eating and mapping together, weathering the weather… they got close and had fun. But then off they went – to grownup careers across the country

Written by Jennifer Petrie,

Professional, and Kaleigh Swift, Communications Specialist

PhotoofAGUsignfrom2022meetinginChicago.

and the world – and many fell out of touch. But Dave Caldwell, Alva Parsons, and Paul Buchanan stayed friends, and as the 40th anniversary of field camp approached they got the crazy idea to try to find everybody and have a reunion.

CSE External Relations

Give back to ESci and Receive!

Charitable Gift Annuities:

Did you know you can make a gift to support the Department of Earth & Environmental Sciences and also receive fixed, lifetime income for yourself or loved ones? Many donors have found a charitable gift annuity to be a great way to support the University while also receiving income and tax benefits.

1983FieldCamp,Gunnison,Colorado

The next chapter of the story is a detective novel. Little-bylittle Dave, Alva, and Paul tracked nearly everyone down. They roped Bruce Kitto, Eric Hedblom, Melisa Fry Pollak, and Jim Lundy into helping organize, and then, with help from CSE external relations staff and Earth and Environmental Sciences department head Justin Revenaugh, the reunion became a reality.

In July 2023, former 1983 field campers (and friends) gathered in the Twin Cities July 14-16, then in Buena Vista, Colorado, July 21-24. In the Twin Cities they toured the new Tate Earth Sciences facilities, went on a couple field trips, and of course spent evenings at brewpubs. In Colorado they hiked into the Matchless Mountain area (more than 12,000 feet elevation) where they mapped in 1983, went rafting, and found some more brewpubs. Happy to see each other, they shared fond remembrances of classmates and professors who have passed away and had many laughs over true stories and tall tales.

You can make a gift of cash or securities to the University of Minnesota Foundation (UMF), and in return, UMF will pay you a fixed annual amount for your lifetime. You receive a charitable income tax deduction for a portion of your gift, and part of each annuity payment will be tax-free. There is also capital gains tax savings if you make your gift using appreciated stock. You can direct your gift to be used for a specific purpose within Earth and Environmental Sciences.

New in 2023! If you are 70 or older, you can make a gift from your IRA to fund a charitable gift annuity. To learn more about charitable gift annuities, or to receive a personalized illustration, please contact Lexi Thompson:

Phone: 612-626-0004

Email: lexi@umn.edu

As alumni, you are part of our Earth & Environmental Sciences family and we would love to hear from you!

Please send us your comments, memories, and exciting news about life! You can contact us via:

-e-mail: esci@umn.edu

-Facebook , Twitter, and LinkedIn

-Our Alumni Updates Google Form at z.umn.edu/escialum

-Postal Mail

Former 1983 field campers visiting Tate Hall, the new(ish) home of Earth & Envrionmental Sciences

Gifts to the Department

We wish to express our gratitude to alumni and friends who continue supporting the department with generous donations. Your financial support provides scholarships and fellowships enabling students to carry out their studies, conduct field and analytical research, and present papers at professional meetings. Listed on these pages are gifts recevied from July of 2022 through June of 2023.

Department of Earth Sciences General Fund

Mohammed Badri and Samar Kanawati*

Jake Bailey and Beverly Flood

Robert W. and Ruth F. Baker

Carl and Ruth Benson*

Michel E. and Sue Berndt*

Suzanne J. Beske-Diehl*

Marcia Bjornerud

Amy R. Block

Stefanie A. Brachfeld*

Joy Branlund

William C. and Marlee J. Brice

Michael and Elaine R. Brinda

Keith A. Brugger*

Jon and Jean Carlson

Thomas W. and Rebecca H. Carlson

Stanley E. Chernicoff and Julie K. Stein

Kevin Cook

Stephen B. DeLong

Rashida K. Doctor

Margaretha Eckhardt

Denis and Karol Erickson

Joshua M. Feinberg*

David L. Fox

Jay R. and Jeanne K. Frischman

Yongli Gao

Jeffrey and Mary Gorski

Charles Gruenenfelder

Gail L. Haglund

Kriste Henson

John and Mary Hjerpe*

Ryan S. and Catherine W. Hofffman

Emi Ito

David R. and Louise A. Janecky*

Kerry Keen*

Kent C. Kirkby

John Koss*

Joseph Kowalik

Sharon J. Kressler

Sang Lee*

Steven L. and Lauren N. Levine

Benjamin Maas*

Rajesh B. Maheswaran

Seth E. and Mikkell E. Matters

Marcia McNutt*

Justin P. Michael

Bruce M. Moskowitz

Kayla M. Nelson

David A. and Laura Nemetz

Gene-Hua Crystal Ng

Jennifer A. Petrie

Vera Pospelova

John M. Purcell

Nancy J. Radle and Rodney C. Cameron

Constance and Kenneth Sansome

Shanna A. Schmitt

Dale R. and Michelle I. Setterholm

William E. and Carol C. Seyfried

Linda and Orrin Shane*

Donald Sprowl

Christian Teyssier*

Alexis Thompson

Edward Thornton*

Jon J. Tortomasi

James Walker and Randi Nordstrom

Shannon E. Weiher

Donna L. Whitney and Marc Hirschmann

Lowell Wille

Michael A. Young*

Banerjee Fellowship Fund

Subir Banerjee and Manju Parikh

Robert L. and Karen E. Bauer*

Stefanie A. Brachfeld*

Field Experiences Fund

Robert L. and Karen E. Bauer*

Jeff P. Baysinger

Paul K. and Michiko T. Buchanan

Christoph E. Geiss*

Peter J. and Bronwen E. Hudleston

Benjamin J. Maas*

Thomas G. and Lynda Plymate

Natalie Raia

John J. Read*

Edward C. Thornton*

Samuel Goldich Fellowship Fund

Robert L. and Karen E. Bauer*

Carl S. and Ruth G. Benson*

John W. Gruner Fellowship Fund

Carl S. and Ruth G. Benson*

Dyanna M. Czeck

Harold M. Mooney Fellowship Fund

Mohammed Badri and Samar Kanawati*

Nimat H. Barazangi

Carl S. and Ruth G. Benson*

George V. Bulin Jr.

Shaughn A. Burnison

Douglas A. Carlson*

Lane R. and Dorothy E. Johnson

Morris A. and Judy Kaufman

John E. Koss*

Carolan M. Laudon

Scott G. Schulz

Rita Paquette Memorial Scholarship Fund

Michael W. Block

Michael P. and Lynn M. Convery

Donald L. and Pamela J. Jakes

Marguerite M. McCarron

Scott L. Murchie*

John J. Read*

Frederick Swain Fellowship Fund

Kenneth R. and Marilyn Quarfoth

Thunderbird Land and Cattle Co.*

Zoltai Graduate Fellowship Fund

Roberta C. Lamons

H. E. Wright Footsteps Fund

Carl S. and Ruth G. Benson*

Keith A. Brugger*

Richard B. Darling*

Christoph E. Geiss*

Dora Barlaz Hanft and Noah Hanft

Kerry L. Keen*

Linda C. and Orrin C. Shane III*

Craig ZumBrunnen

Scott Rice Memorial Scholarship in Earth Sciences

Judith J. Friedman

Alison V. Klemperer

Randal P. and Chun Marchessault

Brandon J. Rice*

Robert E. and Marjory Rice

David and Sally Kohlstedt

Scholarship in the Department of Earth Sciences

David L. and Sally G. Kohlstedt*

*multiple donations

Departmental Fellowships, Scholarships, and Awards 2023-2024

Fellowship and scholarship support has grown significantly over the last decade because of our alumni. Your generosity has been the tipping point in many cases, in which better financial packages enable us to attract and retain the best undergraduate and graduate students to the University of Minnesota and to the department. This spring, we were able to gather for an in person award potluck for the first time since 2020. Thank you for all who attended our ceremony and for your continued support of our students!

Graduate Fellowships

Subir Banerjee Fellowship

Declan Ramirez

Richard Clarence Dennis Fellowship

Adaire Nehring

Benjamin Teerlinck

William H. Emmons Fellowship

Hongfan Cao

Warren Fisher Memorial Fellowship

Sara Hanel

Viven Sharma

Forrest Fellowship

Sanath Aithala

Francessca Socki

Francis Gibson Fellowship

Nilay Iscen

Samuel Goldich Fellowship

John McDaris

John Gruner Fellowship

Declan Ramirez

Allan and Eleanor Martini Fellowship

Yiwen Lyu

Harold Mooney Fellowship

Weiming Ding

V.R. Murthy/Janice Noruk Fellowship

Vincy Winifred

V.R. Murthy/Janice Noruk Fellowship for Women Graduate Students

Yiwen Lyu

Shanti Penprase

Fred Swain Fellowship

Michael Chiappone

H.E. Wright “Footsteps” Award

Shanti Penprase

Zoltai Graduate Fellowships

Rashida Doctor

Nora Loughlin

Undergraduate Scholarships

Thomas & Margaret Aldrich Award

Margaret Stephenson

Robert R. Berg Scholarship

Kacie Malone

Dennis Undergraduate Scholarships

Gabrielle Bennett

Calvin Ristow

Fred Donath Honors Scholarship

Gracelyn McClure

David & Sally Kohlstedt Scholarship

Emma Kostecki

John “Chris” Kraft Scholarship

Gracelyn McClure

McMillen Undergraduate Scholarship

Alenandra Bancos

Mia Schwartz

Jamison Ward

Rita Paquette Memorial Scholarship

Emma Kostecki

Sidney A. Parkans Scholarship

Alyssa Burton

Scott Rice Memorial Scholarship

Nicolas Wiest

2023 Field Experience Scholarships*

Alexandra Bancos

Gabrielle Bennett

Justin Bettendorf

Brady Bettin

Alyssa Burton

Anjolie Buzo

Katie Clements

Allison Decou

Madeline Dickenscheidt

Gabby Giving

Ceci Howes

Ethan Ilse

Taylor Jewel

Emma Johnson

Jayva Jordan

Gracelyn McClure

Sara Nadian

Fayth Nystel

Lauren Pardi

Calvin Ristow

Jane Rogers

Ruby Sandell

Joshua Schultz

Aaron Sones

Miles Sterner

Juliana Tegge

Sydney Waldrop

Jamison Ward

Kelsey Watters

Nicolas Wiest

Sophie Wright

Awards

2022-2023 Outstanding TA Awards

Riley Hollenberg

Shanti Penprase

Viktor Radermacher

Bo Wei

*Note: We were able to offer $200 scholarships to all students taking 3911 (not listed), in addition to those applied for by students taking other field courses. Thank you for your generosity!

Degrees Granted July 2022 - June 2023

Undergraduate Degrees

Bachelor of Science, Earth Sciences

Summer 2022

Josie Welsh

Fall 2022

Brea Fahrner

Landry Kuss

Priya Shenoi

Maisy Waech

Spring 2023

Jessica Fox

Charles Jirk

Elisabeth Post

Ananya Vegesna

Grace Walker

Bachelor of Science, Environmental Geociences

Summer 2022

Benjamin Kroll

Rachel Tripp

Fall 2022

Samuel Hunt

Spring 2023

Reina Balley

Jackson Ciolfi

Melinda Edstrom

Grace Elling

Riley Hollenberg

Logan Mahoney

Cheyenne Neess

Michael Park

Mallory Sherwin

Margaret Stephenson

Amanda Strayton

Bachelor of Arts, Earth Sciences

Spring 2023

Nathan Duclos

Bachelor of Arts, Environmental Geosciences

Spring 2023

Kaylin Brophy

Payton Wills

Graduate Degrees

Summer 2022 (after June 30, 2022)

Hannah Blatchford, Ph.D.

Readingtherecordofultrahigh-pressureterraneexhumationin shearzonesoftheWesternGneissRegion,Norway

Advisors: Drs. Donna L. Whitney and Christian Teyssier

Clementine Hamelin, Ph.D.

Metamorphism and deformation at maximum depth recorded ingneissdomes

Advisors: Drs. Donna L. Whitney and Christian Teyssier

Fall 2022

Kathryn Hobart, Ph.D.

Understanding microbially-mediated pyrrhotite dissolution in theDuluthComplex,northernMN

Advisor: Dr. Joshua Feinberg

Lynnea Jackson, M.S.

AnewdinosaurfromtheearlyJurassicofAntarctica

Advisor: Dr. Pete Makovvicky

Mathieu Pythoud, M.S.

Developmentofhigh-precisionmeasurementsforuraniumand thoriumisotopes

Advisor: Dr. Larry Edwards

Sydney Shaner, M.S.

Hitching a ride: Potential gastropod-bacteria symbiosis at methaneseeps

Advisor: Dr. Jake Bailey

Evan Whiting, Ph.D.

Biogeographyanddietaryecomorphologyofsquamatereptiles: exploring modern patterns and the Paleogene fossil record in continental North America

Advisor: Dr. David Fox

Zhao Zhu, Ph.D.

Under pressure: The origin of surface deformation might be deeper than you think: A comprehensive case study from seismologytodeeplearning Advisor: Dr. Max Bezada

Sarah Horns, M.S. Plan C

Advisor: Dr. Peter Kang

Spring 2023

Julie Driebergen, M.S.

Comparing two juvenile Eolambia caroljonesa (hadrosaur) bonebedstogainInsightintojuvenilehadrosaurianbehavior Advisor: Dr. Pete Makovicky

Bill Tate, M.S.

Knockknock,who’sthere?: Identifyingthesourceofsignalsin thefirstDASdeploymentinafluvialsetting Advisor: Dr. Max Bezada

Summer 2023 (before June 30, 2023)

Sam Hammer, M.S.

Molybdenum uptake in iron bearing sulfide minerals: An experimental study at 150°C with implications for mid ocean ridgehydrothermalventdeposits

Advisor: Dr. William Seyfried

Jabari Jones, Ph.D.

HumansareEarthtoo:Hydrology,streamrestoration,andthe humansideofEarthscience

Advisor: Dr. Andrew Wickert

Dalton Leprich, Ph.D.

Investigatingintra-cellularstructuresingiantsulfurbacteria

Advisors: Drs. Jake Bailey and Beverly Flood

Colin Murphy, M.S.

Thermochronological and structural study of exhumation of theHøybakkenDetachment,WesternGneissRegion,Norway

Advisors: Drs. Donna L. Whitney and Christian Teyssier

Samantha Pérez, M.S.

Modeling hyporheic zone Fe-S-C cycling with “cryptic” sulfur reactionsatthetimsbranchriparianwetlands

Advisors: Drs. Crystal Ng and Cara Santelli

Natalie Raia, Ph.D.

Records of fluid–rock interaction in an oceanic subduction complex

Advisors: Drs. Donna Whitney and Christian Teyssier

Earth&EnvironmentalSciencesstudentstossingtheircaps afterthedepartmentgraduationceremonyand reception,May13,2023.

Selected Publications Publications

Austermann, J., A. D. Wickert, T. Pico, J. Kingslake, K. L. Callaghan, and R. C. Creel (2022), Glacial isostatic adjustment shapes proglacial lakes over glacial cycles, Geophysical Re- search Letters, 49(24), doi:10.1029/2022GL101191

Breithaupt, T**, Katz, R. F., Hansen, L. N., Kumamoto, K. M. (2023) Dislocation theory of steady and transient creep of crystalline solids: Predictions for olivine. Proceedings of the National Academy of Sciences 120.8 (2023): e2203448120

Brocard, G., Willenbring, J. K., Salles, T., Cosca, M., GuttiérezOrrego, A., Cacao Chiquín, N., Morán-Ical, S., and Teyssier, C. (2021) Tectonically and climatically driven mountain-hopping erosion in central Guatemala from detrital 10Be and river profile analysis. Earth Surface Dynamics, 9, 795–822, doi: 10.5194/esurf-9-795-2021

Brocard, G.Y., Meijers, M.J.M., Cosca, M.A., Salles, T., Willenbring, J., Teyssier, C., and Whitney, D.L. (2021) Rapid drainage integration across the Central Anatolian Plateau triggered by surface uplift and escape tectonics. Geosphere, 17, 739-765. doi: 10.1130/GES02247.1

Cluzel D., Aitchison J.C., Zhou R., Ireland T., Heizler M., Patias D., Lesimple S., Maurizot P., Teyssier C. (2022) Direct dating of podiform chromitite: U-Pb (Zircon, Rutile) and 40Ar/39Ar (Pargasite) evidence from Tiébaghi Cr deposit (New Caledonia). Ore Geology Reviews, 104873, https://doi.org/10.1016/j.oregeorev.2022.104873

Dashtgard, S.E., Wang, A., Pospelova, V., Wang, P.-L., La Croix, A., Ayranci, A. 2022. Salinity indicators in sediment through the fluvialto-marine transition (Fraser River, Canada). Scientific Reports, 12, 14303(2022), 10 pp. https://doi.org/10.1038/s41598-022-18466-4

Doctor, R., and Feinberg, J.M., 2022. Differential thermal analysis using high temperature susceptibility instruments. Journal of Geophysical Research: Solid Earth, 127(7), e2021JB023789, http:// doi.org/10.1029/2021JB023789

Evans G. N., Seyfried W. E., Jr. and Tan C. (2023) Nutrient transition metals in a time series of hydrothermal vent fluids, Main Endeavour Field, Juan de Fuca Ridge. Earth and Planetary Science Letters, 602. https://doi-org.ezp2.lib.umn.edu/10.1016/j. epsl.2022.117943

Flood, B.E.*, Louw, D.C., Van der Plas, A.K., Bailey, J.V., 2021, Giant sulfur bacteria (Beggiatoaceae) from sediments underlying the Benguela Upwelling System host diverse microbiomes. PLOS One. https://doi.org/10.1371/journal.pone.0258124

Fu, R. R., Volk, M. W. R., Bilardello, D., Libourel, G., Lesur, G. R. J., & Ben Dor, O. (2021). The fine-scale magnetic history of the Allende meteorite: Implications for the structure of the solar nebula. AGU Advances, 2, e2021AV000486. https://doi. org/10.1029/2021AV000486

Goswami, A., Noirault, E., Coombs, E.J., Clavel, J., Fabre, A.-C., Halliday, T.J.D., Churchill, M., Curtis, A., Watanabe, A., Simmons, N.B., Fox, D.L., Beatty, B.L., Geisler, J.H., Felice, R.N., in press. Attenuated evolution of fmammals through the Cenozoic. Science 378: 377-383. DOI: 10.1126/science.abm7525

Graber, Anna. “Depicting Expertise and Managing Diversity in the Urals Mining Industry (1773-1818).” In Picturing Russian Empire, edited by Valerie Kivelson, Joan Neuberger, and Sergei Kozlov, 155-62. Oxford: Oxford University Press, 2024.

Hamelin, C., Whitney, D.L., Roger, F., and Teyssier, C. (2022) Orogenic eclogites record relative magnitude of deep crustal flow and extent of migmatite-eclogite interaction. Lithos, 434-435. doi: 10.1016/j.lithos.2022.106917

Jaqueto, P., Trindade, R.I.F., Terra-Nova, F., Feinberg, J.M., Novello, V.F., Strikis, N., Schrodl, P., Azevedo, V., Strauss, B.E., Cruz, F.W., Cheng, H., and Edwards, R.L., 2022. Stalagmite paleomagnetic record of a quiet mid-to-late Holocene field activity in central South America, Nature Communications, 13(1), 1349, https://doi. org/10.1038/s41467-022-28972-8

Kenyon, L., and I. Wada (2022), Shear-wave splitting in the mantle wedge: Role of elastic tensor symmetry of olivine aggregates. Geophysical Research Letters, e2022GL100143

Kenyon, L.M. and Wada, I. (2022), Mantle wedge seismic anisotropy and shear wave splitting: Effects of oblique subduction. Journal of Geophysical Research: Solid Earth, 127(4), p.e2021JB022752

Korchinski, M., Teyssier, C., Rey, P.F., Whitney, D.L., and Mondy, L. (2021) Single-phase vs two-phase rifting: Numerical perspectives on the accommodation of extension during continental break-up. Marine and Petroleum Geology, 123, article 104715

Leprich, D.J.*, Flood, B.E, Schroedl, P. *, Ricci, E. *, Marlow, J.J., Girguis, P., Bailey, J.V., 2021, Sulfur bacteria promote authigenic carbonate dissolution at marine methane seeps. ISME Journal. https://doi.org/10.1038/s41396-021-00903-3

Li, Z., Pospelova, V., Liu, L., Francois, R., Wu, Y, Mertens, K.N., Saito, Y., Zhou, R., Song, B., Xie, X. 2021. High-resolution reconstructions of Holocene sea-surface conditions from dinoflagellate cyst assemblages in the northern South China Sea. Marine Geology, 438, 20 pp., 106528. https://doi.org/10.1016/j.margeo.2021.106528

Li, Z., Pospelova, V., Mertens, K.N., Liu, L., Wu, Y., Li, C., Jiang, W., Gu, H. 2023. Evaluation of organic-walled dinoflagellate cyst distributions in coastal surface sediments of the China seas in relation with hydrographic conditions for paleoceanographic reconstruction. Quaternary International, 661, 60-75. https://doi. org/10.1016/j.quaint.2023.03.007

MacLatchy, L.M., Cote, S.M., Deino, A.L., Kityo, R.M., Mugume, A.A.T., Rossie, J.B., Sanders, W.J., Cosman, M.N., Driese, S.G., Fox, D.L., Freeman, A.J., Jansma, R.J.W., Jenkins, K.E.H., Kinyanjui, R.N., Lukens, W.E., McNulty, K.P., Novello, A., Peppe, D.J., Strömberg... Kingston, J.D., 2023. The evolution of hominoid locomotor versatility: Evidence from Moroto, a 21 Ma site in Uganda. Scicence 380. 10.1126/science.abq2835

Matsumoto, K. and *T. Tanioka, and *M. Gilchrist, Sensitivity of steady state, deep ocean dissolved organic carbon to surface boundary conditions, Global Biogeochemical Cycles, 36, e2021GB007102, 2022. https://doi.org/10.1029/2021GB007102

McDaris, J., Feinberg, J.M., Runkel, A.C., Levine, J., Kasahara, S., and Alexander Jr., E.C., 2022. Documentation and Prediction of Increasing Groundwater Chloride in the Twin Cities, Minnesota, Groundwater, 60(6), 837-850. https://doi.org/10.1111/gwat.13227

McLachlan, S.M.S. and Pospelova, V. 2021. Dinoflagellate cystbased paleoenvironmental reconstructions and phytoplankton paleoecology across the Cretaceous–Paleogene boundary interval, Vancouver Island, British Columbia, Canada. Cretaceous Research, 126, 30 pp., 104878. https://doi.org/10.1016/j.cretres.2021.104878

Medina Ferrer, F.M.*, Rosen, M.,R., Feyhl-Buska, J., Russell, V.V., Sønderholm, F., Loyd, S., Shapiro, R., Stamps, B.W., Petryshyn, V., Demirel-Floyd, C., Bailey, J.V., Johnson, H., Spear, J., Corsetti, F., 2021, Potential role for microbial ureolysis in the rapid formation of carbonate tufa mounds. Geobiology. 10.1111/gbi.12467

Naylor, S., A. D. Wickert, D. A. Edmonds, and B. J. Yanites (2021), The Pleistocene Transformation of North American Topography, Science Advances, 7(48), doi:10.1126/sciadv.abj2938

Newville, C., Whitney, D.L., *Kang, P., *Raia, N.H., and Fornash, K.F. (2021) How the Earth recycles. Frontiers for Young Minds, doi: 10.3389/frym.2021.599596

Obrezkova, M.S., Pospelova, V., Kolesnik, A.N. 2023. Diatom and dinoflagellate cyst distribution in surface sediments of the Chukchi Sea in relation to the upper water masses. Marine Micropaleontology, 178, 102184(2022), pp. 28. https://doi. org/10.1016/j.marmicro.2022.102184

Ohenhen, L.O., Feinberg, J.M., Slater, L.D., Ntaragiannis, D., Rios-Sanchez, M., Isaacson, C.W., Stricker, A., Atekwana, E.A., 2022. Magnetic Evidence of Anaerobic Oxidation and Iron Mineral Dissolution in Hydrocarbon-Contaminated Aquifer, Journal of Geophysical Research: Biogeosciences, https://doi. org/10.1029/2021JG006560

Over, J.-S. and Pospelova, V. 2022. Last Interglacial (MIS 5e) sea surface hydrographic conditions in coastal southern California based on dinoflagellate cysts. Palaeogeography, Palaeoclimatology, Palaeoecology, 591, 20 pp., 110875. https://doi. org/10.1016/j.palaeo.2022.110875

Peppe, D.J., Cote, S.M., Deino, A.L., Fox, D.L., Kingston, J.D., Kinyanjui, R.N., Lukens, W.E., MacLatchy, L.M., Novello, A., Strömberg, C.A.E., Driese, S.G., Garrett, N.D., Hillis, K.R., Jacobs, B.F., Jenkins, K.E.H., Kityo, R., Lehmann, T., Manthi, F.K., Mbua, E.N.... McNulty, K.P., 2023. Oldest evidence of abundant C4 grasses and habitat heterogeneity in eastern Africa. Science 280. 10.1126/science.abq2834

Raia, N. H., Whitney, D. L., Teyssier, C., & Lesimple, S. (2022). Serpentinites of different tectonic origin in an exhumed subduction complex (New Caledonia, SW Pacific). Geochemis try, Geophysics, and Geosystems. https://doi.org/10.1002/ essoar.10510651.2

Ramos D. P. S., Nielsen S. G., Coogan L. A., Scheuermann P. P., Seyfried W. E., Jr. and Higgins J. A. (2022) The effect of hightemperature alteration of oceanic crust on the potassium isotopic composition of seawater. Geochimica Et Cosmochimica Acta 339, 1-11. https://doi org.ezp1.lib.umn.edu/10.1016/j.gca.2022.10.013

Seyfried Jr, W.E., Tan, C., Wang, X., Wu, S., Evans, G.N., Coogan, L.A., Mihály, S.F., Lilley, M.D., 2022. Time series of hydrothermal vent fluid chemistry at Main Endeavour Field, Juan de Fuca Ridge: Remote sampling using the NEPTUNE cabled observatory. Deep Sea Research Part I: Oceanographic Research Papers, 103809

T. Tanioka, K. Matsumoto, and M. Lomas, Drawdown of atmospheric pCO2 via variable particle flux stoichiometry in the ocean twilight zone, Geophysical Research Letters, 48, e2021GL094924, 2021. https://doi.org/10.1029/2021GL094924

Tikoff, B., and Teyssier, C. (2022) Formation of en-échelon pull-apart arrays in pure-shear dominated transpression, Journal of Structural Geology, 162, 104675. https://doi.org/10.1016/j.jsg.2022.104675

Tudor, A., Fowler, A., Foustoukos, D.I., Moskowitz, B., Wang, L., Tan, C., Seyfried Jr, W.E., 2021. Geochemistry of vapor-dominated hydrothermal vent deposits in Yellowstone Lake, Wyoming. Journal of Volcanology and Geothermal Research 414, 107231

Tutolo, B.M., Seyfried Jr, W.E., Tosca, N.J., 2020. A seawater throttle on H2 production in Precambrian serpentinizing systems. Proceedings of the National Academy of Sciences 117 (26), 14756-14763

Van Wyk de Vries, M., A. D. Wickert, K. R. MacGregor, C. Rada, and M. J. Willis (in press, 2022), Atypical landslide induces speedup, advance, and long-term slowdown of a tidewater glacier, Geology, doi:10.1130/G49854.1

Van Wyk de Vries, M. , Ito, E. , Romero, M., Shapley, M. , Brignone, G (2023) Periodicity of the Southern Annular Mode in Southern Patagonia, insight from the Lago Argentino varve record. Quaternary Science Reviews, 304: 108009. https://doi. org/10.1016/j.quascirev.2023.108009

Van Wyk de Vries, M. , Ito, E. , Shapley, M. , Brignone, G., Romero, M., Wickert, A. D., Miller, L. H., MacGregor, K. R. (2022). Physical limnology and sediment dynamics of Lago Argentino, the world’s largest ice-contact lake. Journal of Geophysical Research: Earth Surface, 127, e2022JF006598. https://doi. org/10.1029/2022JF006598

Van Wyk de Vries, M., P. D. Carchipulla Morales, A. D. Wickert, and V. G. Minaya (2022), Glacier thickness and ice volume of the inner tropical Andes, Scientific Data, 9(342), doi:10.1038/s41597022-01446-8

Wada, I. (2021), A simple picture of mantle wedge flow patterns and temperature variation, Journal of Geodynamics 146, doi:10.1016/j. jog.2021/101848

Wallis, D., Harris, J., Böhm, C.F., Wang, D., Zavattieri, P., Feldner, P., Merle, B., Pipich, V., Hurle, K., . Leupold, S., Hansen, L.N., Marin, F., & Wolf, S.E., Materials Advances (2022). Progressive changes in crystallographic textures of biominerals generate functionally graded ceramics. doi: 10.1039/D1MA01031J

Wallis, D., Hansen, L. N., Wilkinson, A. J., & Lebensohn, R. A. (2021). Dislocation interactions in olivine control postseismic creep of the upper mantle. Nature Communications, 12(1), 1-12

Warren, J. M., & Hansen, L. N. (2023). Ductile Deformation of the Lithospheric Mantle. Annual Review of Earth and Planetary Sciences, 51

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In Memoriam

Alumni listed in order of year degree received

1930’s

Lyman C. Dennis, M.S. 1936, d. 2006.

Charles L. Brown, B.S. 1937, d. 11/13/2017.

1950’s

Richard E Cribbs, B.S. 1950, d. 1/29/2022. Richard was born in St Paul, Minnesota. He was very active in the Boy Scouts. He served his country in the Army Air Corp and survived a plane crash during World War II. He married Doris DuBrava in 1949 and they were married for 50 years. Richard was a geologist and traveled to many parts of the world both for business and pleasure. He loved playing bridge, listening to opera, hiking, and talking politics.

Allison R. ‘Pete’ Palmer, Ph.D. 1950, d. 10/24/2022. Pete started at Penn State University at 16 (B.Sc. 1946), and graduate school at 19 (University of Minnesota). Trilobites were Pete’s passion. Over the course of his career, he worked for the USGS, as a Professor of Geology at SUNY Stony Brook, as Editor-in-Chief of the Decade of North American Geology project for GSA, and finally, as a scientist, establishing The Institute for Cambrian Studies. He consulted with international trilobite experts, occasionally mentored students, and always kept his microscope close by.

Donald L. Hansen, M.S. 1951, d. 3/4/2023. Donald received his BS in Petroleum Geology from University of Tulsa and his MS in Geology from University of Minnesota. He had a distinguished career in the oil and gas industry for over 50 years beginning with Sinclair Oil and ending with Davis Oil Company in Tulsa, Oklahoma. Donald used retirement to reinvent himself. He and Nedra traveled extensively, RV’ing through all fifty states.

Rip Rapp, B.A.S. 1952, d. 3/20/2023. Rip graduated from the Twin Cities campus of the University of Minnesota in 1952 with a B.A. in geology and mineralogy, and then went to Pennsylvania State University to pursue his Ph.D. in geochemistry, graduating in 1960. It was while he was attending Penn State that he met his wife Jan. Rip’s academic career began as a mineralogy professor at the South Dakota School of Mines and Technology in 1957. In 1965 he became a Professor of Geology at the Twin Cities campus of the University of Minnesota. In 1975 he became the first dean of the College of Letters and Science when the University of Minnesota-Duluth reorganized into collegiate units. In 1983 he became the founding dean of UMD’s College of Science and Engineering, stepping down in 1989 to return to research and teaching a popular course on dinosaurs. Rip became UMD’s first Regents Professor Emeritus in 1995, which is an honor bestowed upon the most distinguished faculty of the UMN. From 1975 until his retirement in 2003 he was also Director of the Archaeometry Lab and a Professor of Interdisciplinary Archaeology at UMD and UMN. After 2003 he spent most of each year in Tucson, Arizona hiking, biking, and continuing his research and scholarly publishing (18 books and 100s of research articles) including his own autobiography appropriately named “Rip.”

Earl D. Van Reenan, B.S. 1952, d. 3/29/2023. Earl graduated with a Master’s degree in Geological Engineering from the University of Minnesota in 1952. He was inducted into the army in 1954 and was given a scientific and professional classification as a geodetic surveyor and worked in the Alaskan Arctic. Earl worked with E.G.&G in Boston, Massachusetts as Chief Geophysicist. He left E.G.&G in 1970 to form his own geophysical engineering company, Van Reenan International, Inc.

Ronald G. Wittnebel, B.S. 1955, d. 6/6/2022. Ron attended University of Minnesota from 1950-1955 where he earned a B.S. in Geology. After relocating to Fort Sill, Oklahoma Ron taught communications and electronics in the Field Artillery School for the U. S. Army. After a two–year stint with the Army, Ron joined Shell Oil Co. In 1983, he moved to Houston where he worked for Pectin International. When Ron retired in 1989, he and his wife travelled extensively to Europe, Asia, Africa, and the U.S.

Carl E. Norman, B.A. 1957, d. 8/3/2022. Carl Attended the University of Minnesota where he completed his BA in Geology with minor studies in Physics and Mathematics, earning cum laude honors, in 1957. Carl continued his education by earning a M.S. in Geology in 1959 from The Ohio State University. He worked as a Petroleum Geologist for Humble Oil Company and served as a Geophysicist for the U.S. Bureau of Mines Applied Physics Research Lab in Maryland. Upon leaving Humble, Carl returned to The Ohio State University to pursue his Ph.D. in Geology and Geophysics. Carl was offered a teaching position at the University of Houston which he accepted in 1965. During his 35–year teaching tenure, Dr. Norman taught Physical Geology to more than 6,500 students.

Allan F. Schneider, Ph.D. 1957, d. 6/9/2023. Allan graduated from Beloit College in 1948 with his B.S. in Geology, went on to obtain his M.S. in Geology degree from Penn State University in 1951, and finally earned his PhD in Geology from the University of Minnesota in 1957. Allan was a geologist, professor, scientist, conservationist, and author. He accepted teaching positions at Penn State, the University of Minnesota, Washington State University, and Indiana University and finished his career as a Professor of Geology Emeritus at the University of Wisconsin Parkside. Dr. Schneider took research positions with the U.S. Geological Survey, the Minnesota Geological Survey, the Indiana Geological Survey, and the Wisconsin Geological and Natural History Survey.

Clarence W. Nelson, M.S. 1959, d. 12/15/2022.

Richard “Red” A. Watson, M.S. 1959, d. 9/18/2019. Red is universally recognized as one of the leading scholars of 17th century French philosophy and published a penetrating biography entitled Cogito, ErgoSum:TheLifeofReneDescartes . Watson taught for most of his long career at Washington University in St. Louis, where he was known as a demanding, yet approachable teacher. He was also instrumental in transforming the ‘sport’ of cave exploration into a recognized field of archaeology and geological science. His book, The Longest Cave, details some of these adventures.

1960’s

Milo I. Harpstead, Ph.D. 1961, d. 6/15/2022. Following his active duty

in the military, Milo received a MS in Agronomy in 1957 from SDSU, and soon began his PhD program in Geology at the University of Minnesota. In January 1961, Milo began teaching Soil Science at the University of Wisconsin – Stevens Point. Dr. Harpstead published the Soil Science Simplified textbook in 1980. Milo retired from teaching at UW- Stevens Point in 1992. He maintained many contacts and involvement in professional organizations throughout his life.

Edward J. Cushing, Ph.D. 1963, d. 7/19/2022. Edward attended Washington University where he earned a B.S. in geology. He came to the University of Minnesota for graduate school after serving in the army, and later joined the faculty. He remained at the U for his entire career. Ed moved from geology to botany to ecology as his research interests developed. He loved working with students and served many times as Director of Graduate Studies. His research focused on analyzing pollen deposits to track the history of climate change. Much of this work was in Minnesota, but his interests also took him to Denmark, North Wales, and Indonesia.

Norris W. Jones, M.S. 1963, d. 4/9/2020. Dr. Jones received a B.A. in geology from Carleton College in 1959. In 1963, he received an M.S. in geology from the University of Minnesota, and completed his Ph.D. in Geology in 1968 from Virginia Tech. Dr. Jones joined the UW Oshkosh faculty in 1968 and served as Chair of the Department of Geology from 1981-84 and 1996-1999.

Thomas N. Bayer, Ph.D. 1965, d. 3/12/2023. Tom was accepted for graduate studies at the University of Minnesota in 1957 and MS Degree in geology in 1960, while working as an instructor in geology at Macalester College. He received his Ph.D. in 1965, with a major in geology and a minor in geophysics. Tom’s Ph.D. dissertation was in the field of paleoecology. In 1964 he left his position at Macalester to accept a position as a professor of Earth Science at Winona State College. He went on to establish the first Department of Geology and Earth Science in what is now the Minnesota State University system in 1968. He served as chair of the department until 1977, retiring in 1996.

Robert B. Cairns, B.S. 1965, d. 9/24/2022. Bob attended the University of Minnesota, where he studied geology and mining engineering. He graduated in 1965, and, though accepted into a graduate program in South Dakota, his number was called and he was drafted into the U.S. Army during the Vietnam War. He served as an army medic during deployment, and upon returning home pursed a career as a doctor.

Richard J. Calloway, M.S. 1965, d. 9/2/2022. Dick graduated from Yale University in 1958 with a degree in geology. He served for two years as a Lieutenant Junior Grade in the U.S. Navy aboard the USS Pillsbury. After his naval service, Dick earned a M.S. in geology from the University of Minnesota. He worked in the domestic and international oil and gas exploration industry in New Orleans and Houston in increasing positions of responsibility, starting as a geologist and retiring as Vice President and Exploration Manager.

Muawia Barazangi, M.S. 1967, d. 3/30/2022. Muawia graduated from the University of Damascus with a B.S. in Physics and Earth Sciences with distinction in 1965. Subsequently he received a scholarship from the University of Minnesota to pursue a M.S. in

Applied Geophysics (1967). Following graduation, he received a scholarship from Columbia University, completing a PhD in Seismology in 1971. He is recognized as the first scientist to produce a digital global seismicity map in 1968. Dr. Barazangi continued his research at Cornell University in Ithaca, NY, where he was invited to become a Research Associate in 1971, eventually attaining the rare title of Senior Scientist, and his subsequent promotion to Full Professor at the department of Earth and Atmospheric Sciences. He served generations of students even after his retirement into a Professor Emeritus position.

1970’s

Anita L. Baker-Blocker, B.S. 1970, d. 1/28/2022. After finishing her B.S. in Environmental Science and M.P.H. at the University of Minnesota, Anita moved to Ann Arbor in 1972 to complete her Ph.D. in Atmospheric, Oceanic & Space Sciences & Environmental Health at University of Michigans. Later, she pursued a career in science, writing, and later entrepreneurship with a business dealing antiquarian books.

Fletcher G. Driscoll JR., Ph.D. 1976, d. 3/8/2023. Fletcher studied French and geology at Carleton College (‘55). He moved to Germany in 1956 with his wife during his service in the US Army. Upon returning to the US, Fletcher spent several years building and selling boats at the White Bear Boat Yard. In a career pivot, he completed his Ph.D. in hydrogeology at the University of Minnesota. With experience in field work and university teaching, he earned multiple awards and recognition as a national expert, in addition to authoring the highly respected textbook Groundwater and Wells.

Kathryn S. Makeig, M.S. 1978, d. 11/14/2022. Kate received degrees in geology from the University of Michigan and the University of Minnesota. Kate specialized in groundwater contamination throughout her career with engineering firms in Minnesota and the Washington DC area, and as head of her own consulting business.

1990’s

Susan E. Arnold, B.A. 1994, d. 3/23/2019.

Thomas M. Loretto, M.S. 1996, d. 8/25/22021. Tom’s love of geology was immense, as was his interest in astronomy, beekeeping, and using the scientific method to determine the best cup of coffee or sourdough bread recipe. He lived a rich life and shared his joy with everyone.

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