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T27. Carbonate Formation and Diagenesis. Ian Winkelstern, wmich.edu; Robb Gillespie, Western Michigan University, robb
Grand Valley State University, winkelsi@gvsu.edu; .gillespie@wmich.edu.
Steven Kaczmarek, Western Michigan University,
stephen.kaczmarek@wmich.edu; Ariel Martin, Western Tour of PFAS Disposal and Treatment Sites in Northern Kent
Michigan University, ariel.martin@wmich.edu. County. Richard Rediske, Grand Valley State University, redisker@
gvsu.edu; Karen Vorce, Michigan Department of the Environment,
T28. Critical Minerals in North-Central United States: Great Lakes, and Energy, vorcek@michigan.gov.
Exploration, Mining, and Processing. Snehamoy
Chatterjee, Michigan Technological University, schatte1@ Field Trip to the Bruce Dice Mineralogical Museum. Deanna
mtu.edu; Tim Eisele, Michigan Technological University, van Dijk, Calvin University, dvandijk@calvin.edu.
tceisele@mtu.edu.
Riverwalk Tour—Restoring the Rapids in Grand Rapids.
T29. Reading the Record of Tectonic Processes through Wendy Ogilvie, Grand Valley Metro Council/Lower Grand River
Diverse Investigations of Igneous and Metamorphic Organization of Watersheds, wendy.ogilvie@gvmc.org; Matt
Rocks. Robert Holder, University of Michigan, roholder@ Chapman, Grand Rapids Whitewater, matt@grandrapidswhitewater
umich.edu; Hannah Blatchford, Eastern Michigan University, .org; Michael Staal, City of Grand Rapids, mstaal@grand-rapids
hblatchf@emich.edu. .mi.us.

T30. Granites and Rhyolites as a Record of Crustal Magmatic Mississippian Gypsum Mine Geology and Paleontology Field
Processes. Gary S. Michelfelder, Missouri State University, Trip. John VanRegenmorter Grand Rapids Community College,
garymichelfelder@missouristate.edu; Kenneth Brown, johnvanregenmorter1@grcc.edu; Peter Wampler, Grand Valley
DePauw University, kennethbrown@depauw.edu. State University, wamplerp@gvsu.edu.

T31. The Origin of Compositional and Thermal Heterogeneity Collections Tour of the Grand Rapids Public Museum. Cory
within Earth’s Interior. Allison Pease, Michigan State Redman, Grand Rapids Public Museum, credman@grpm.org.
University, peaseall@msu.edu; Jiaxin Zhang, Michigan State
University, zhang884@msu.edu; Meichen Liu, University of Coastal Dunes of Southern Lake Michigan. Suzanne DeVries-
Michigan, meichenl@umich.edu; Yurong Zhang, Michigan Zimmerman, Hope College, zimmerman@hope.edu; Erin
State University, yurong@msu.edu. Argyilan, Indiana University Northwest, eargyila@iun.edu;
Todd Thompson, Indiana Geological and Water Survey, Indiana
T32. Lithospheric and Crustal Studies of the Midcontinent University, tthomps@indiana.edu.
Using Geophysics. Kevin Mickus, Missouri State University,
kevinmickus@missouristate.edu. Geology, Age, and Shock Metamorphism of The Kentland,
Indiana, Impact Structure. John Weber, Grand Valley State
T33. Advances in Geophysics for Shallow Subsurface University, weberj@gvsu.edu.
Investigations. Kennedy O. Doro, University of Toledo,
Ohio, kennedy.doro@utoledo.edu; Kevin L. Mickus, Mid-Michigan’s Outdoor Classroom: Pennsylvanian Marginal-
Missouri State University, kevinmickus@missouristate.edu. Marine Strata at Grand Ledge, Michigan. Danita Brandt,
Michigan State University, brandt@msu.edu; Melinda Higley,
T34. Innovative and Novel Applications of GIS and Remote Calvin University, mchigley@calvin.edu; Madeline Marshall,
Sensing for Geologic Mapping, Geomorphology, Albion College, mmarshall@albion.edu; Heather L. Petcovic,
Volcanology, and Other Fields. Stephen M. Crabtree, Western Michigan University, heather.petcovic@wmich.edu;
University of Minnesota, Morris, crabt012@morris.umn.edu. Michael Velbel, Michigan State University, velbel@msu.edu;
Peter J. Voice, Western Michigan University, peter.voice@wmich
T35. Imaging the Subsurface. Harry Jol, University of .edu; Ian Winkelstern, Grand Valley State University, winkelsi@
Wisconsin, Eau Claire, jolhm@uwec.edu. gvsu.edu.

FIELD TRIPS SHORT COURSES
Trip registration opens in February 2023. For additional infor- For additional information, please contact the short course leaders
mation, please contact the field trip co-chairs: Peter Wampler, listed below.
wamplerp@gvsu.edu, Ed Hansen, hansen@hope.edu.
Practical High-Energy Injection in Overburden and Bedrock:
Michigan Geological Repository for Research and Education Preparation, Tools, Design, Distribution, and Evaluation
(MGRRE) Tour—Michigan Subsurface Geology Using Illustrated by Case Studies. Edward Winner, RPI Group,
Borehole Core Samples. Peter Voice, Western Michigan ed@trapandtreat.com.
University, peter.voice@wmich.edu; William B. Harrison III,
Western Michigan University, william.harrison_iii@wmich.edu; Stratigraphic Imaging of Geomorphic, Geologic, and
Jennifer Trout, Western Michigan University, jennifer.l.trout@ Geoarchaeological Landscapes. Harry Jol, University of
Wisconsin, Eau Claire, jolhm@uwec.edu.

28 GSA TODAY | November 2022