Session: At the Crossroads—Addressing Geological Questions and Complexities Near the Boundary of the Basin & Range, Cascadia, and/or Sierra Nevada Provinces (Posters) (Cordilleran Section - 119th Annual Meeting

Session No. 32

Friday, 19 May 2023: 8:00 AM-6:00 PM

Cargo Room (The Whitney Peak Hotel)

T8. At the Crossroads—Addressing Geological Questions and Complexities Near the Boundary of the Basin & Range, Cascadia, and/or Sierra Nevada Provinces (Posters)

GSA Geophysics and Geodynamics Division

Authors will be present from 4 to 6 PM.

Paper #

Booth #

32-1

LOW TEMPERATURE THERMOCHRONOLOGY FROM THE MITCHELL INLIER, CENTRAL OREGON

MORAN, Steven¹, SOUSA, Francis¹ and O'SULLIVAN, Paul², (1)Oregon State UniversityCEOAS, 104 Coas Administration Bldg, Corvallis, OR 97331-8563, (2)GeoSep Services, 1521 Pine Cone Road, Moscow, ID 83843

32-2

EVALUATING TECTONIC AND VOLCANIC ORIGINS OF FAULTS IN THE HIGH CASCADES: ANALYSIS OF THE WHITE BRANCH FAULT ZONE, CENTRAL OREGON

BUBECK, Alodie, GRAY, Brian and WONG, Ivan, Lettis Consultants International, 1000 Burnett Ave, Suite 350, Concord, CA 94520

32-3

A MODERN MAPPING OF THE SOUTHERN OREGON CASCADES

GREGG, Arianna and CRABTREE, Stephen, Division of Science and Mathematics, University of Minnesota, Morris, 600 E. 4th St, Morris, MN 56267

32-4

HETEROGENEOUS MIOCENE EXTENSION IN THE BASIN AND RANGE DEMONSTRATES VERTICALLY DECOUPLED EXTENSION WITH IMPLICATIONS FOR PRE-EXTENSIONAL CRUSTAL THICKNESS: A CASE STUDY FROM THE WESTERN BASIN AND RANGE

ZUZA, Andrew V. and SAY, Michael C., Nevada Bureau of Mines and Geology, University of Nevada, Reno, 1664 N. Virginia Street, Reno, NV 89557

32-5

QUATERNARY MAP, ACTIVE FAULTING, TECTONIC GEOMORPHOLOGY, AND UPLIFT RATE OF THE HUMBOLDT RANGE AT THE MARGIN OF THE BASIN AND RANGE AND WALKER LANE PROVINCES

WESNOUSKY, Steven, Center for Neotectonic Studies and Seismological Laboratory, University of Nevada, Reno, MS 169, Reno, NV 89557

32-6

THE GEOMORPHIC SIGNATURE OF ACTIVE TECTONIC SHEAR ALONG THE WALKER LANE/BASIN AND RANGE TRANSITION ZONE

KOEHLER, Rich, Nevada Bureau of Mines and Geology, 1664 North Virginia Street, MS 178, Reno, NV 89557-0001

32-7

LATE MIOCENE ACCELERATION OF BASIN AND RANGE EXTENSION ADJACENT TO THE NORTHERN WALKER LANE

ANDERSON, Ryan B., Department of Geosciences, Idaho State University, 921 South 8th Avenue - Stop 8072, Pocatello, ID 83209 and FAULDS, James, Nevada Bureau of Mines and Geology, University of Nevada, Reno, NV 89557

32-8

SLIP RATE AND HAZARD POTENTIAL OF THE LONG VALLEY FAULT ZONE NEAR MAMMOTH, CALIFORNIA

LEON, Yvonne, Department of Earth and Planetary Sciences, University of California, Davis, 1 Shields Ave, Davis, CA 95616 and OSKIN, Michael E., Department of Earth and Planetary Sciences, University of California, Davis, Davis, CA 95616

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Cordilleran Section - 119th Annual Meeting - 2023

T8. At the Crossroads—Addressing Geological Questions and Complexities Near the Boundary of the Basin & Range, Cascadia, and/or Sierra Nevada Provinces (Posters)