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GSA CONNECTS 2021
Scientific Field Trips

Descriptions and leader bios are online.

401. Warren Hamilton Field Trip: Dikes, Vents, and Magma 410. Tectonics and Paleogeography of a Post-Accretionary
Transport in the Columbia River Flood Basalt Province. Forearc Basin, Coos Bay Basin, SW Oregon. Fri.–Sun., 8–10 Oct.
Tues.–Sat., 5–9 Oct. Leaders: Joseph Biasi, California Institute of Endorser: GSA Sedimentary Geology Division. Leader: John
Technology; Rachel Lynn Hampton; Leif Karlstrom; Kendra Murray; Armentrout, Cascade Stratigraphics.
John A. Wolff.
411. Terroir of Wine of the Willamette Valley, Oregon.
402. Deep-Water Deposits of the Eocene Tyee Formation. Fri., 8 Oct. Leader: Scott Burns, Portland State University.
Thurs.–Sat., 7–9 Oct. Leaders: Michael Sweet, University of Texas
at Austin Institute for Geophysics; Gwladys Gaillot; Manasij Santra. 412. Geology of the Columbia Gorge and the Effects of Wildfire
There. Sat., 9 Oct. Leader: Scott Burns, Portland State University.
403. From the Ocean to the Mountains: How Pacific Coast
Geology Shapes Marine and Terrestrial Ecosystems. Thurs.–Sat., 413. Developing Landslide Chronologies Using Landslide-
7–9 Oct. Endorsers: NOAA Teacher at Sea; Climate Literacy and Dammed Lakes of the Oregon Coast Range. Sat., 9 Oct.
Energy Awareness Network (CLEAN); Edmunds Central School Endorsers: GSA Quaternary Geology and Geomorphology
District. Leaders: Spencer Cody, Edmunds Central School District; Division; GSA Environmental and Engineering Geology Division.
John McAlpin; Tom Savage. Leaders: Logan Wetherell; William Struble; Sean LaHusen.

404. River versus Arc: The Geology of the Columbia River 414. Living with Volcanoes in the Pacific Northwest.
Gorge. Thurs.–Sat., 7–9 Oct. Endorsers: GSA Quaternary Sat., 9 Oct. Leader: Gina Roberti, Mount St. Helens Institute.
Geology and Geomorphology Division; GSA Structural Geology
and Tectonics Division. Leaders: Jim E. O’Connor, U.S. 415. John Day Basin of Oregon and the Evolution of Landscapes
Geological Survey; Ray E. Wells; Scott Bennett; Charles M. and Ecosystems through the Cenozoic. Thurs.–Fri., 14–15 Oct.
Cannon; Lydia Staisch; Gabriel Gordon; Anthony Pivarunas. Endorser: John Day Fossil Beds National Monument. Leaders:
Nicholas A. Famoso, John Day Fossil Beds National Monument;
405. A Volcanic Tour of Central Oregon: Newberry Volcano Samantha S.B. Hopkins; Joshua X. Samuels.
Geothermal Scientific Drilling and Fort Rock Geoarchaeological
Sites. Thurs.–Sat., 7–9 Oct. Endorsers: GSA Continental Scientific 416. Exploring an Eccentric Era of Explosivity and Extension
Drilling Division; GSA Geoarchaeology Division; GSA in the Central Oregon Cascades Arc: The Deschutes Formation
Limnogeology Division; Oregon State University College of Earth, Ignimbrite Flare-up. Thurs.–Sat., 14–16 Oct. Leaders: Bradley W.
Ocean, and Atmospheric Sciences. Leaders: Adam Schulz, Oregon Pitcher, Vanderbilt University; Anita L. Grunder; Adam J.R. Kent.
State University; Alain Bonneville; Johan C. Varekamp;
Andrew Meigs; Tom Connolly; Jayde Hirniak; Marie Jackson. 417. Flood Basalts, Rhyolites, and Subsequent Volcanism of
the Columbia River Magmatic Province in Eastern Oregon.
406. Silicic Lava Domes of the Cascades of Oregon and Thurs.–Sun., 14–17 Oct. Leaders: Emily Cahoon, Washington
Northern California. Thurs.–Sun., 7–10 Oct. Leaders: Jonathan State University; Martin J. Streck; Mark L. Ferns.
Fink; Steven W. Anderson.
418. Mount St. Helens—Four Decades of Geologic, Geomorphic,
407. A Slice into Time: Stories Written in the Walls of the Ecologic, and Engineering Insights and Challenges Since its
Columbia River Gorge. Fri., 8 Oct. Leader: Gina Roberti, 1980 Eruption. Thurs., 14 Oct. Endorser: GSA Quaternary
Mount St. Helens Institute. Geology and Geomorphology Division (Kirk Bryan Field Trip).
Leaders: Jon Major, U.S. Geological Survey Cascades Volcano
408. Paleofloods and Earthquakes: Hydrologic and Seismic Observatory; Scott Burns; Patrick Pringle.
Loadings for USACE Dams in Central Oregon. Fri.–Sat., 8–9 Oct.
Endorser: U.S. Army Corps of Engineers. Leaders: Keith Kelson, 419. Stream Corridor Enhancement: Techniques for Bringing
U.S. Army Corps of Engineers Dam Safety Production Center; Greater Stream Function into the City. Thurs., 14 Oct.
Erica Medley. Endorser: Clean Water Services. Leaders: Anne MacDonald;
Matthew Brennan; Dennis O’Connor.
409. Pleistocene Landscapes and Geoarchaeology of the Oregon
Coast. Fri.–Sat., 8–9 Oct. Endorsers: Oregon State University, 420. The Mount Hood Fault Zone—Active Tectonics at the
Department of Anthropology; Pacific Slope Archaeological Crest of the Dynamic Cascade Range. Thurs.–Fri., 14–15 Oct.
Laboratory. Leaders: Loren Davis, Oregon State University; Leaders: Ian Madin; Scott Bennett; Ashley R. Streig.
Steve Jenevein; Michele Punke.

40 GSA Today | May 2021