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May 31, 2018

Welcome New Grad Students, 2018!

Fatai Balogun is originally from Nigeria, where he graduated with a B.S. in Geology from Obafemi Awolowo University in 2012. Also, he graduated with a M.S. in Geosciences in 2017 from Georgia State University. His B.S. project focused on the measurement of radiation exposure due to naturally occurring radionuclides in Gemstone mining. His M.S. Thesis investigated the effect of time and temperature on Ultisol and Mollisol.  At the University of Oregon, he will work with Matthew Polizzotto’s group to understand the chemical and mineralogical controls on release of heavy metals from sediments into ground water. He is also interested in processes that enhances the cycling of redox sensitive metals within the Earth’s Critical Zone. In the future, he would like to work at a multidisciplinary research institute where he could collaborate with scientists from different fields to proffer sustainable solutions to arrays of environmental problems of the 21st century.  When Fatai is not spending countless man hours in the school, he’s an avid fan of soccer and motor racing. He also enjoys watching documentaries about ancient civilizations.  
Joe Caggiano grew up in Washington State, and earned a Bachelors of Science in Earth and Atmospheric Sciences from the Georgia Institute of Technology. While at Georgia Tech, he founded a chapter of the Sigma Gamma Epsilon Geoscience Honor Society and performed research with Dr. Carol Paty modeling plasma motion around the Earth while Earth’s magnetic field is undergoing a pole reversal. He looks forward to continuing this research with her at the UO.  Other scientific interests include the geologic history of Venus and Mars, and using paleomagnetism to infer the dynamics of Earth’s outer core and thus the processes driving magnetic pole reversals. In addition to spending time with family and pets, he enjoys science-fiction, gardening, and growing minerals.
Ryan Cahalan is a current PhD candidate transferring from Georgia Tech.  He received his B.S. in Geology from The University of Texas (Austin) in 2008, where he focused on measuring and modeling diffusion in metamorphic garnet. From there he moved to Georgia Tech and began his PhD work with Joe Dufek focusing on the eruption dynamics of submarine volcanism, paying special attention to the 2012 eruption of Havre Seamount, New Zealand. Ryan enjoys traveling, camping, sports (watching and playing), beer (drinking and brewing), and cheese (eating and making).  
Monse Cascante graduated from the University of Costa Rica with a B.S. in geology in 2011, then she moved to Chile to study a M.S. in geoscience in the University of Chile. For her Master’s Thesis she investigated the geological and petrological evolution of Isluga Volcano, in Northern Chile.  Monse has been working in the Costa Rica Volcano Observatory and has done some research on the ashes from recent eruptions in Costa Rican volcanoes. At UO, she will be working with Thomas Giachetti on volcanology research. Her other interests include hiking, movies, traveling, and sports.
Helena de Bastos Cruz Machado received her B.S. in Biological Sciences at the Federal University of the State of Rio de Janeiro (Brazil). She also received her M.S. in Geopaleontological Patrimony at the National Museum (Brazil). Her Master’s thesis concerned the taxonomic review of the genus Equus in South America, a horse that participated in the Great American Biotic Interchange (GABI). She’s excited to be working with Edward Davis towards a Ph.D. and getting to research fossil mammals, specifically Pleistocene horses and their relation to the GABI event. Helena has a lot of interests outside the research world, but watching movies and series is probably her favorite activity.  
Gabriel Ferragut grew up in Fargo, ND and graduated in 2017 from North Dakota State University with B.S.’s in Physics and Geology. His undergraduate research ranged from the application of optically stimulated luminescence dating on Mars to paleoclimate reconstruction in the Great Basin of North America through hydrologic mass balance modeling, but more recently an IRIS internship has shifted his focus to seismology. Before starting at UO he was working at the USGS Menlo Park investigating Sn velocities and the implications for mantle temperature beneath Saudi Arabia. At UO, Gabe will be joining Doug Toomey’s seismology group and hopes to explore crustal and mantle structure of plate boundaries in the PNW through tomographic imaging as well natural hazard analysis and early warning utilizing the so called Internet of (Wild) Things (IoWt.)  In his spare time Gabe very much enjoys cooking, backpacking, and, true to form as an Earth scientist, has a healthy respect for, and interest in, the brewing and drinking of beer. His chief obsessions outside of the academic setting, however, are fly fishing and fly tying, which as you might be aware, are without a doubt the greatest non-scientific activities ever conceived by humans.
Chris Harper received his B.S. in Mathematics and B.S. in Applied Languages and Intercultural Studies (Chinese) from the Georgia Institute of Technology. Shortly after graduating he became fascinated by the multi-disciplinary nature of the Earth Sciences, and his proclivity for mathematics quickly fostered an interest in the dynamics and modeling of volcanic processes. At the University of Oregon Chris will be working with Josef Dufek’s Volcanology lab, and is currently interested in modeling force chains. He is a huge fan of riddles and games, and enjoys staying physically active. He loves his hometown of Atlanta, but is eager for the opportunity to explore all that the west coast has to offer!  
Brooke Hunter graduated from Macalester College in Minnesota with a B.A. in Geology and a Mathematics minor. At UO, she has joined Josh Roering’s Lab to study land displacement and biotic response to the fire event in Eagle Creek. Her interest in Earth Science stems from wanting to better understand how natural and anthropogenic factors impact landscape evolution. At Macalester she studied how increases in water velocity and sediment load impact river mussel behavior and health. In her free time, she enjoys running, playing volleyball, and hanging out with her pets.
Pierce Hunter received a B.S. in Mathematics and Computer Science from the University of Oregon. His main focus is computational geophysics with a heavy emphasis in fluid mechanics. While an undergraduate at the U of O, Pierce worked with Alan Rempel and Colin Meyer modeling thermo-viscous feedback in ice stream flow. He is excited to continue this research as a master’s student. Outside the classroom Pierce enjoys skiing, camping, bowling, and Formula 1 racing.  
Sage Kemmerlin graduated from Georgia Tech in 2017 with a B.S. in Earth and Atmospheric Science. Her undergraduate research focused on subsidence on the western flank of Arenal. After graduating, she joined Josef Dufek’s group as a master’s student to study the transport and deposition of hot pyroclastic density currents and the formation of high grade to extremely high grade ignimbrites. As Joe took a position at UO, Sage transferred too and is very excited by the opportunities it presents. In her spare time Sage enjoys traveling, hiking, painting, climbing, and hanging out with her two cats.
Nate Klema grew up in Durango Colorado, where he graduated with a B.S. in Physics and Mathematics minor from Fort Lewis College.  Throughout, and after, his undergraduate education he worked guiding rafting expeditions through Grand Canyon National Park, where he fell in love with the complex story of earth as told through the lens of Geology.  He will be working with Leif Karlstrom and Josh Roering studying the post-fire landscape response in Oregon’s Eagle Creek Drainage.  
Alexis Klimasewski graduated from the University of Rochester with a BS in Physics and Astronomy in the Fall of 2017. As an undergraduate, she researched stellar x-ray activity and radio wave propagation through the ionosphere, but decided to pursue seismology after working with Valerie Sahakian at the USGS during a summer internship. Alexis is excited to continue working with Valerie at UO on ground motion modeling and seismic hazards. Alexis enjoys hiking, trail running, and listening to true crime podcasts.  
Markus Koeneke graduated from NC State University, majoring in Environmental Technology and Management with minors in Soil Science and Environmental Toxicology. His undergraduate research projects looked at carbon’s impact on arsenic contamination of Southeast Asian aquifers and the fate of natural bacteriogenic iron oxides during reduction. After graduation, he made a 4000+ mile trip across country to Eugene and became the lab manager for the Soil and Water Lab at the UO. He is interested in understanding contaminant fate in the environment and how to use that to help protect and improve human and environmental health. He is also very passionate (scared?) about climate change and water and sanitation in developing countries, as both issues pose great challenges to humanity. In the fall, Markus will start working with Matt Polizzotto on his master’s program. In his free time, he enjoys disc golf, hiking, reading, photography, and exploring the beautiful Pacific Northwest.  
Allison Kubo, a SoCal native, graduated from UC San Diego with a B.S.  in Earth Sciences in 2018. Her undergraduate work focused on volcanic hazards and she spent a summer at the American Natural History Museum in NYC summer determining sulfur isotopes in melt inclusions. She continued her focus on hazards studying computational modeling of pyroclastic density currents (PDCs) with Josef Dufek for her senior honors thesis. She is beyond excited to pursue a doctoral degree at U of O under Joe Dufek and Leif Karlstrom.  Although volcanoes are her one true love, when those aren’t available she enjoys film photography, pottery, audiobooks, and eating ramen.  
Maria McQuillan graduated with a B.S. in Physics from the University of St. Thomas in Minnesota. At the University of Oregon she will work with Alan Rempel and Leif Karlstrom to better understand the dynamics within glacial systems. In the past, she has done research on tidal features of interacting galaxies and solar wind interactions with the Earth. Her interest in earth science stemmed from her study abroad in New Zealand and she looks forward to studying more Earth related processes. In her free time she enjoys rock climbing, hiking, and chilling with her cat.  
Chelsea Obeidy earned her B.S. in Environmental Science from Humboldt State University. She focused her research on ecological restoration, wildland soil science, forestry, and geotechnical engineering. She became increasingly interested in subsurface contaminants and their threat to soil and water quality. She is excited to work with Matthew Polizzotto and the Earth Science Department at University of Oregon. She will focus her research on contaminant transport mechanisms within the critical zone. During her free time, she loves to dance, hike, swim, and garden.  
Eli Orland graduated with a BA in Geology from Middlebury College in Middlebury, VT. His thesis utilized remote sensing and high resolution digital elevation models to predict the substrate of post-glacial mountain river systems. He is excited to work with Josh Roering and focus on the geomorphic response of rivers and hillslopes to regional uplift in the Western United States. Outside of research, Eli can be found running, biking, playing music, or talking about that one time he worked in a coffee shop.
Amanda Peng graduated from the University of Washington with a double major in Biology and Earth Sciences. During her time at UW, her research has focused on the jaw biomechanics and feeding ecologies of Cretaceous mammals. She also has an interest in the evolution of mammalian dental characters in non-mammalian synapsids. She has worked extensively in the Hell Creek Formation of Montana, which has helped her to develop a love of all fossils. She looks forward to working with Dr. Samantha Hopkins on fossil mammals, and to living in Oregon. In her spare time, she enjoys drinking coffee, hanging out with dogs, and playing tennis.  
Paul Regensburger graduated from North Carolina State University with a B.S. in Physics. He has conducted undergraduate research in computational geophysics and planetary sciences. Paul will be working with Joe Dufek on plume dynamics of Enceladus and Europa. Outside of academics, he enjoys hiking, backpacking, and reading novels.  
Ryan Seward has spent the last few years traveling the world in search of the ultimate cup of coffee, and when not drinking coffee is also working at many of the worlds geothermal power plants as a Field Geochemist for Thermochem Inc.  Ryan finished his Master’s degree in 2014 from the University of Oregon working with Mark Reed. His thesis focused on understanding the reservoir fluid chemistry of Iceland’s Reykjanes Peninsula in preparation for drilling the world’s first geothermal well to produce supercritical fluids. With the well now drilled, and supercritical fluid conditions reached, Ryan is excited to be back at the University of Oregon to pursue PhD research in the geochemistry of supercritical fluids and in overcoming the challenges from using these fluids for power production.


January 17, 2018

Spring 2018 Weekly Seminar Schedule

Talks are on Wednesdays from 4:00 to 5:20 pm in 110 Willamette Hall.

Tea and cookies are served in Cascade 200 beginning at 3:30 p.m.

April 4: Craig Lundstrom (Illinois)
Title: Granite (and rhyolite?) origins as low temperature mush

April 11: Tara Smiley (Oregon State)
Title: Mountains and Mammals: linking landscape and climate change to diversification in Neogene rodents

April 18: Kena Fox-Dobbs (University of Puget Sound)
Title: Same place, different times: Five million years of small mammal diet and environmental change in the Great Plains, USA

April 25: Sara McBride (USGS)
Title: Scientists, if you want people to listen to you, be more likable!

May 2: Adam Soule (Woods Hole)
Title: The origin of popping rocks – the most volatile-rich basalts on the global mid ocean ridge

May 9: Brandon Schmandt (GeoPRISMS)
Title: Investigation of Mount St. Helens earthquakes and magma plumbing with a hybrid natural and controlled source seismic survey

May 16: Dick Iverson (CVO)
Title: The physics of debris flows: a 40-year retrospective of observations, experiments, and models

May 23: Jonathan Calede (Ohio State)
Title: The paleontology of gophers and beavers: phylogenetic relationships and locomotion

May 30: Seth Moran (CVO)
Title: The Cascades Volcano Observatory: Research, monitoring, and the science of preparing for low-probability, high-consequence events

June 6: Darin Croft (Case Western)
Title: 3,000 km of fossil mammals from Chile


November 30, 2017

Field camp application page

2020 Updated Application, Field Studies

Contact information

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Due to University and State regulations surrounding the COVID-19 situation, there is a possibility that we may be forced to hold this section online. If that happens would you: *
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Please make sure that the letter arrives by the application deadline. The letter should be sent via email to Marla Trox at:


For students planning on attending all three sections, upper-division courses in the following areas of study are required. Please upload a list of courses, including grades, taken (or planned to complete by June) for Field Camp Director review. Include any additional information you think pertinent.
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For students planning to attend all three sections, the following coursework or equivalent is required.
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Main areas of geologic interest and future plans (employment, graduate school, etc.)
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June 29, 2017

Welcome New Graduate Students, 2017!

Adrian Broz received his M.S. in agriculture with a specialization in soil science at California Polytechnic State University, San Luis Obispo (Cal Poly) where he focused on nitrogen cycling in vermicompost-amended agricultural systems.  He also received a B.S. in earth science at Cal Poly where he became interested in botany, mineral surface chemistry, stream geomorphology and the mechanisms controlling bedrock terrace formation.  At UO, Adrian will be working with Greg Retallack to develop a further understanding of Martian paleosols and paleoenvironments. Further into the future, he would enjoy the opportunity to explore the chemistry of Martian soils to understand feasibility and dynamics of crop cultivation.  In his spare time Adrian enjoys reading academic papers, playing the banjo, and building surfboards.  
Leonard Finkelman is an assistant professor of Philosophy at Linfield College. He received his PhD in Philosophy from the City University of New York Graduate Center in 2013. Since then he has come to specialize in the emerging field of Philosophy of Paleontology, working on conceptual issues in extinction and the metaphysical background of dinosaur research.  He is working with Edward Davis on his M.S. in Paleontology.  In addition to this research, Leonard has written a number of outreach essays on a variety of topics including ethics, possible-world semantics, and human nature. He will also occasionally indulge interests in astronomy, prehistoric art, science fiction, and graphic novels. Leonard’s favorite dinosaur is Tyrannosaurus rex. He acknowledges that this is an uninteresting choice. Please pretend that he said Yutyrannus huali instead.
Holley Flora received her B.S. in Earth Sciences from Montana State University. Her undergraduate research focused on paleohistology, phylogenetics, and science outreach for dinosaur paleontology. She’s excited to be working with Edward Davis towards a Master’s and getting to research fossil mammals, specifically antilocaprids and their headgear. Holley likes dogs, cookies, dancing, and the outdoors.  
Kevin Gardner graduated with a degree in geology from Whitman College. His undergraduate thesis focused on stratigraphy of Cretaceous deltas on the North Slope of Alaska. Since finishing his undergrad thesis, his interest has shifted to understanding the formation and behavior of ancient rivers. He is excited to join Becky Dorsey in studying the formation of the Colorado River in Southern California. Apart from geology, Kevin enjoys camping, lifting weights, cooking, and discovering new music.  
Alex Hager is originally from Minneapolis, Minnesota, and graduated in 2015 with a B.A. in Geology from Colorado College. Since graduating he has worked as a ski instructor in Colorado and as a lab technician for the geochronology and carbonate stable isotope laboratories at Princeton University. He is now changing his focus from rocks to water, and will be studying ice-ocean interaction and fjord circulation with Dave Sutherland. Alex enjoys climbing, skiing, hiking, and playing piano.  
Rachel Hampton is a Colorado native from Telluride, a small ski town in the San Juan Mountains of southwest Colorado. Growing up here gave her a deep appreciation for the natural world which lead her to pursue a degree in Earth and Planetary Sciences while at Harvard University. While in college, she studied the volcanic history of the Boston area through geochronology and geochemistry. She also worked to help map the first caldera created by the eruption of the Yellowstone hotspot with the Stanford Volcanology Group. At the University of Oregon she will work with Ilya Bindeman and Leif Karlstrom to combine isotope geochemistry and modeling techniques in order to better understand magmatic systems. She is an avid marathon runner and cross country skier and cannot wait to move back to the Western United States.
Gabrielle LaFayette (Gabbie) graduated with a B.S. in Geology from Grand Valley State University.  At the University of Oregon she will be working on her master’s degree where she would like to study the origin of contaminants in soils and groundwater with Matthew Polizzotto.  In her free time she enjoys hiking, traveling, reading, and playing basketball.  
Syu-Heng Lai (Larry) graduated from the National Taiwan University with a B.S. in geosciences in 2011, and a M.S. in geoscience in 2015. His Master’s Thesis investigated the stratigraphy of fore-arc depositional sequence in the Coastal Range of Taiwan, an arc-continent collisional orogen. Larry has also done some research about the sedimentary processes of gravel beach along the east coast of Taiwan. After spending years doing military service at the Taroko National Park and research assistant at the National Taipei University of Education, he is excited to join University of Oregon and will be working with Rebecca Dorsey on sedimentary basin researches. Outside of geology, Larry enjoys hiking, backpacking, playing basketball, playing guitar and saxophone.
Jiun-Ting “Tim” Lin graduated from National Central University, Taiwan with a M.S. in Geophysics in 2014. His thesis focused on earthquakes source inversion and GPS data analysis. After graduation, he went to Global Seismology Lab, Academia Sinica as a research assistant working in global seismic data processing and probing upper-crust velocity changes caused by earthquakes and aseismic slip by repeating earthquake sequences. He is excited to be working with Amanda Thomas at UO, with the application of array seismology. Jiun-Ting’s interests include traveling, music, movies, and swimming.  
Brennah McVey, a small town Florida girl, recently completed her undergraduate journey at the Colorado School of Mines, graduating with a B. S. in Geophysical Engineering. During her time there, she worked at the USGS Geologic Hazards Center assisting in the development of a Seismogenic Landslide Database. She is joining Emilie Hooft‘s seismology group to tackle the marine seismic data acquired around Santorini Volcano. Her interests include water sports, traveling, thunderstorms, and dogs. Brennah also enjoys filing taxes, traffic, and sarcasm.  
Kellum Tate graduated with a B.S. in nursing in 2008 from Harding University and worked until July of 2017 as a critical care nurse in Little Rock, Arkansas. In 2017, she graduated with a B.S. in earth sciences from the University of Arkansas at Little Rock, a degree she pursued after falling irrevocably in love with geosciences. She conducted research into the variety of Cretaceous fossil shark teeth found in Malvern, Arkansas, during her undergraduate geology work and taught geology classes at several summer camps for high school students. Her academic interests include mammalian paleontology and phylogeny, and she is currently planning to study marine mammal paleontology with Edward Davis for her doctorate work. Following graduation, Kellum plans to work as a geoscience educator (because everyone needs to know how cool rocks and fossils are). Her other interests include hiking, live music, eating delicious food, reading fantasy novels, spending all her money on traveling and mineral specimens, and finding the perfect craft brew.
 Josh Wiejaczka graduated from SUNY New Paltz with a B.S. in Geology in 2016. His undergraduate research compared the melt distribution/geometry in olivine-rich troctolites from the Krivaja-Konjuh massif (Bosnia and Herzegovina) to experimentally produced microstructures of partially molten upper mantle rocks. He is excited to join the UO volcanology group and work with Thomas Giachetti studying explosive eruption dynamics. Outside of research Josh enjoys traveling, mountain biking, rock climbing, and drone videography.  
Qiong Wu graduated from Beijing Normal University of China in 2015. During her time there, she studied on the impact of climate change on water quality and aquatic ecosystem. After graduation, she worked as a research assistant in a research institute of environmental protection in Beijing. She is super excited to learn new knowledge about earth science, and will be working under the guidance of Qusheng Jin on enzyme kinetic modeling. Outside school, she likes traveling, writing, painting, and delicious food!  


January 26, 2016

Spring 2016 Weekly Seminar Schedule

Talks on Wednesdays are from 4:00 to 5:20 pm in
110 Willamette Hall.
Tea and cookies are served in Cascade 200 beginning at 3:30 p.m.

March 30 – Paul Richardson (UO)
Title: Chasing the sun: exploring the role of aspect in landscape evolution

April 6 – David Furbish, (Vanderbilt – UO Meierjurgen Fellow)
Title: When Worldviews of Sediment Transport Collide: Navigating the Continuum and Deterministic versus the Rarefied and Probabilistic

April 13 – Rick Carlson (Carnegie, DTM)
Cenozoic magmatism in the Cordilleran: Driving geologic activity far removed from a plate boundary

April 19 (Tuesday seminar) – Stefano Lugli (Modena)
Title: Salts of the Earth: The challenge of understanding the Messinian evaporite deposits in the Mediterranean

April 20 – Heather Wright (USGS, CVO)
Title: Volcanic unrest at Cotopaxi volcano, Ecuador

April 27 – Mike Lamb (Caltech)
Title: Wildfires, debris flows and the mechanics of steep bedrock landscapes

May 4 – Becky Bendick (Montana)
Title: Postseismic deformation in Kashmir and Nepal: geodetic insights into crustal complexity

May 6 (Friday Seminar, 12:00 noon, Cas 200) – Marty Grove (Stanford)
Title: Linkage between forearc sedimentation & schist emplacement during Laramide shallow subduction

May 11 – Rob Zierenberg (UC Davis)
Title: Updated Log from the Sea of Cortez: Discovery of new hydrothermal vent fields by Doc Ricketts

May 18 – Rina Schumer  (Nevada-Reno)
Title: Real and Apparent Changes in Erosion and Deposition Rates Through Time

May 25 – Gwenn Flowers (Simon Fraser Univ.)
Title: Environmental and geologic controls on glacier dynamics in the St. Elias Mountains, Yukon, Canada

May 26 (Thursday Seminar) – Jean Braun (GTZ Potsdam)
Title: Density, topography and erosion: linking mantle flow, surface processes, climate and density variations in the Earth’s crust

June 1 – Leigh Stearns (Kansas U)
Title: Greenland glacier behavior: from chaos to classification

January 19, 2016

PhD candidate Win McLaughlin wins scholarship for research in Kyrgyzstan


Win McLaughlin was recently awarded the Fullbright scholarship for 10 months of research in Kyrgyzstan. Among other things, she searched for fossils that can help date the stratigraphy in the region’s impressive mountains. For more information, check out her blog at

June 10, 2014

Doug Toomey Testifies Before House Subcommittee

Professor Doug Toomey testified before the U.S. House Subcommittee on Energy and Mineral Resources, describing seismic hazards in the PNW and the need for an early warning system. Around the O story here.

March 28, 2014

Spring 2014 Weekly Seminar Series

Talks on Wednesdays are from 4:00 to 5:20 pm in
110 Willamette Hall.
Tea and cookies are served in Cascade 200 beginning at 3:30 p.m.

April 2 – Mark Schmitz (Boise State University)
Title: Bringing Deep Time into Focus: New developments in high-precision geochronology and their impact across Earth Science

April 9 – Terry Plank (Columbia University)
Title: Extending a Continent: Magmatism and Lithosphere Dynamics across the Basin and Range

April 16 – Taras Gerya (ETH-Zurich, Switzerland)
Title: Plume-induced tectono-magmatic crustal convection produced nova and corona structures on Venus

April 23 – Brad Hacker (UC Santa Barbara)
Title: Differentiation of Continental Crust by Relamination

April 30 – George Bergantz (University of Washington)
Title: Petrogenetic Processes in a Deep Arc Section: A MASH Zone Revealed

May 7 – Allen Glazner (University of North Carolina)
Title: A Twenty-First Century View of Plutons

May 14 – Mark Richards (UC Berkeley)
Title: Hotspot plumbing, intrusive LIPs, the Deccan/Chicxulub concidence, and the joys of thinking the unthinkable.

May 21 – Jung-Eun Lee (Brown University)
Title: Plans and rainfall

May 28 – Joshua West (USC)
Title: What do we know after 25+ years of disparate ideas on Cenozoic weathering, erosion, and the carbon cycle?

June 4 – Matt Loewen (UO)
Title: Evaluating Trace Metal Mobility in Volcanic Systems

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