GSA Connects 2022 meeting in Denver, Colorado

Session No. 185
Tuesday, 11 October 2022: 1:30 PM-5:30 PM
607 (Colorado Convention Center)

T31. Basin Analysis, Strike-Slip Faults, and Tectonics II: Honoring the Contributions of Paul Umhoefer

GSA Structural Geology and Tectonics Division

 

Robert Miller, Margaret Rusmore, L. Sue Beard and Donna Whitney, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1:35 PM
THE GREAT ALASKA ESCAPE ROOM: NEW CONSTRAINTS ON AN OLD ESCAPE TECTONICS IDEA
BENOWITZ, Jeffrey, Unaffilated, PO Box 753851, Fairbanks, AK 99775, REGAN, Sean, Geophysical Institute, University of Alaska Fairbanks, Fairbanks, AK 99775-9702, ELDER, W.P., Research Geologist, PO Box 972, Moss Beach, CA 94038, Moss Beach, CA 94038-0972 and NEWELL, Dennis L., Department of Geosciences, Utah State University, 4505 Old Main Hill, Logan, UT 84322
1:50 PM
LESSONS LEARNED FROM RESTORATION OF THE CENOZOIC DENALI FAULT SYSTEM
WALDIEN, Trevor, Geology and Geological Engineering, South Dakota School of Mines and Technology, 501 E. St. Joseph St., Rapid City, SD 57701, REGAN, Sean, Geophysical Institute, University of Alaska Fairbanks, Fairbanks, AK 99775-9702 and BETKA, Paul, Atmospheric, Oceanic, and Earth Science, George Mason University, 4400 University Drive, Fairfax, VA 22030
2:05 PM
REEVALUATION OF THE CHUGACH AND PRINCE WILLIAM TERRANES IN ALASKA
GARVER, John, Geosciences, Union College, 807 Union ST, Schenectady, NY 12308-2311 and DAVIDSON, Cameron, Department of Geology, Carleton College, 1 N College St, Northfield, MN 55057
2:20 PM
A PALEOMAGNETIC FRAMEWORK FOR BAJA BRITISH COLUMBIA MODELS
HOUSEN, Bernie, Geology Department, Western Washington University, 516 High St, Bellingham, WA 98225, TIKOFF, Basil, Department of Geoscience, University of Wisconsin-Madison, Madison, WI 53703 and MAXSON, Julie, Natural Sciences, Metropolitan State Univ, Saint Paul, MN 55106-5000
2:35 PM
THE HIT-AND-RUN MODEL: BAJA BRITISH COLUMBIA AND ITS OROGENIC CONSEQUENCES (Invited Presentation)
TIKOFF, Basil, Department of Geoscience, University of Wisconsin-Madison, Madison, WI 53703, HOUSEN, Bernie, Geology Department, Western Washington University, 516 High St, Bellingham, WA 98225, MAXSON, Julie, Natural Sciences, Metropolitan State Univ, Saint Paul, MN 55106-5000, NELSON, Ellen, Geoscience, University of Wisconsin–Madison, 1215 W Dayton St, Madison, WI 53706, Madison, WI 53703, TREVINO, Sarah F., Department of Geoscience, University of Wisconsin - Madison, 1205 W Dayton St, Madison, WI 53706 and SHIPLEY, Thomas, Department of Psychology, Temple University, 1701 N 13th St, Philadelphia, PA 19122
2:55 PM
MAGMATISM, DEFORMATION, AND LONGITUDINAL DISPLACEMENT WITHIN THE CRETACEOUS COAST MOUNTAINS BATHOLITH (CMB), BRITISH COLUMBIA
RUSMORE, Margaret, Department of Geology, Occidental College, 1600 Campus Rd, Los Angeles, CA 90041, WOODSWORTH, Glenn J., Geological Survey of Canada, 101-605 Robson St, Vancouver, BC V6B 5J3, Canada, CECIL, Robinson, Department of Geological Sciences, California State University Northridge, Northridge, CA 91330-8266, GEHRELS, George E., Geosciences, University of Arizona, 1040 E. 4th Street, Tucson, AZ 85721, STOWELL, Harold H., Department of Geological Sciences, The University of Alabama, 201 7th Ave., Bevill Building, Room 202, Tuscaloosa, AL 35487, BOLLEN, Elizabeth M., Department of Geological Sciences, University of Alabama, Box 870338, Tuscaloosa, AL 35487-0338 and GROVE, Marty J., Stanford University, Stanford, CA 94305
3:10 PM
WHAT HAPPENS TO LARGE DISPLACEMENTS ON PALEOGENE STRIKE-SLIP FAULTS IN CENTRAL BRITISH COLUMBIA AND ALASKA TO THE SOUTH?
MILLER, Robert, Geology Department, San Jose State University, 1 Washington Square, San Jose, CA 95192, EDDY, Michael, Department of Earth, Planetary, and Atmospheric Sciences, Purdue University, West Lafayette, IN 47907-2051 and GORDON, Stacia, Department of Geological Sciences, University of Nevada, Reno, 1664 N. Virginia St, MS0172, Reno, NV 89557
 
3:25 PM
Break
3:40 PM
ARC ACCRETION AND DEFORMATION IN THE NORTHWEST CASCADES, WASHINGTON
SCHERMER, Elizabeth, Geology Department, Western Washington University, 516 High St, Bellingham, WA 98225 and WELDON, Nyle, Department of Geology, Western Washington University, 516 High St, Bellingham, WA 98225
3:55 PM
TRACKING THE COLLAPSE AND EXHUMATION OF A CONTINENTAL MAGMATIC ARC: THE RECORD FROM ZIRCON DEPTH PROFILING ANALYSES OF NORTH CASCADES METASEDIMENTARY ROCKS
GORDON, Stacia M., Department of Geological Sciences, University of Nevada, Reno, 1664 N. Virginia, MS 0172, Reno, NV 89557, MILLER, Robert B., Geology Department, San Jose State University, San Jose, CA 95192, EDDY, Michael, Department of Earth, Planetary, and Atmospheric Sciences, Purdue University, West Lafayette, IN 47907-2051, KYLANDER-CLARK, Andrew R.C., Earth Science, University of California, Santa Barbara, CA 93106 and LANGDON-LASSAGNE, Elizabeth, Department of Geological Sciences and Engineering, University of Nevada, Reno, 1664 N. Virginia Street, MS0172, Reno, NV 89557
4:10 PM
EOCENE TRIPLE-JUNCTION MIGRATION IN THE PACIFIC NORTHWEST AND ITS RELATIONSHIP TO TERRANE TRANSPORT
EDDY, Michael1, DONAGHY, Erin1 and MILLER, Robert2, (1)Department of Earth, Planetary, and Atmospheric Sciences, Purdue University, West Lafayette, IN 47907-2051, (2)Geology Department, San Jose State University, 1 Washington Square, San Jose, CA 95192
4:25 PM
NEW HIGH-PRECISION GEOCHRONOLOGY OF THE CENOZOIC SEDIMENTARY PERIPHERAL ROCK SEQUENCE, NORTHERN OLYMPIC PENINSULA, WA: IMPLICATIONS FOR BASIN FORMATION FOLLOWING OCEANIC PLATEAU COLLISION
DONAGHY, Erin and EDDY, Michael, Department of Earth, Planetary, and Atmospheric Sciences, Purdue University, West Lafayette, IN 47907-2051
4:40 PM
MAKING THE COLUMBIA EMBAYMENT WITH OBLIQUE FLAT-SLAB SUBDUCTION
HUMPHREYS, Eugene, Department of Earth Sciences, University of Oregon, Eugene, OR 97403
 
4:55 PM
Discussion
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