Seminar Lab Date Seminar Lab Subject Seminar Lab Presenter September 15, 2025 Annual Meeting & Beautiful Ohio: Sedimentary Dreams – A Virtual Field Trip Deborah Naffziger, Geological Society of Minnesota September 29, 2025 Feathers, Flight, & Fossils: Current Perspectives on the Evolution of Birds from Dinosaurs Peter Makovicky, Ph.D., Professor of Paleontology, University of Minnesota October 13, 2025 The Upper Mississippi Valley: Proglacial Origins to Modern Evolution Andrew Wickert, Ph.D., Associate Professor, Department of Earth and Environmental Sciences, University of Minnesota October 27, 2025 From Formations to Foundation: the Geology of Bridge Construction Jill Mickelson, B.Sc., Principal Engineer, Braun Intertec November 10, 2025 Lake Superior and Its Gales Paul McKinney, Ph.D., Department of Earth Sciences, University of Minnesota November 24, 2025 The Rock Elm Meteor Impact Structure, Pierce County, WI: Discovery and Basic Geology (V) Bill Cordua, Ph.D., Geology Emeritus, University of Wisconsin River Falls December 8, 2025 Origin and Mineralogy of the Sudbury Structure (V) David Joyce, Owner & Proprietor, David K. Joyce Minerals February 2, 2026 *The Role of Snowball Earth Events in Bedrock Weathering (V) Mark Jirsa, M.Sc., Minnesota Geological Survey (retired) February 9, 2026 *Hematite Ore Formation in the Lake Vermilion-Soudan Underground Mine State Park, Northeastern Minnesota (V) Zsuzsanna Allerton, Ph.D. Candidate, University of Minnesota February 14, 2026 Rocks and the Minerals that Define Them – an Exploration of Minerals that Make Up Common Rocks Jeff Thole, M.Sc., Geology Laboratory Supervisor and Instructor at Macalester College February 23, 2026 Integrating GIS & Geoscience: A Capstone Project on Geology of the Ice Age Trail (V) Lisa Siewert, M.Sc., Senior Lecturer, University of Wisconsin Stevens Point March 9, 2026 Geologic Hydrogen, Abiotic Methane, and Volume Changes Associated with Aqueous Alteration of Mantle Rocks in Submarine Environments (V) Frieder Klein, Ph.D., Associate Scientist, Woods Hole Oceanographic Institute March 23, 2026 How the Midcontinent Rift nearly split ancient North America apart 1.1 billion years ago—and why it stopped Nick Swanson-Hysell, Ph.D., Associate Professor, Earth & Environmental Sciences, University of Minnesota April 6, 2026 (title TBA) George Hudak, Ph.D., Adjunct Professor, University of Minnesota April 20, 2026 My Adventures in Glacier Bay Kent Syverson, Ph.D., Professor, Geology and Environmental Science Department, University of Wisconsin, Eau Claire May 4, 2026 Spring Banquet (title TBA) TBA Back to Current Year Schedule Visited 674 times, 1 visit(s) today