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S3. Recent Advances in Basin-and-Range and Proterozoic T7. Seismic and Geophysical Perspectives: New Insights into
Geology of the Western U.S.: A Session Honoring Ernie the Structure of the Shallow Crust of the Rocky
Duebendorfer. Cosponsored by GSA Structural Geology Mountains and Cordillera. Cosponsored by GSA
and Tectonics Division. Chloe Bonamici, New Mexico Tech, Geophysics Division; GSA Structural Geology and
chloe.bonamici@nmt.edu; Kevin Chamberlin, Univ. of Tectonics Division. Joshua Coyan, USGS, jcoyan@usgs.gov;
Wyoming, kchamber@uwyo.edu; Mike Williams, Univ. of Geoff Phelps, USGS, gphelps@usgs.gov.
Massachusetts, mlw@geo.umass.edu.
T8. Laramide Tectonics in the Southwest North American
S4. Jurassic to Cenozoic Geology of Southern California, Cordilleran Interior. Cosponsored by GSA Geophysics
Southwest Arizona, and Sonora: A Session Honoring Division; GSA Structural Geology and Tectonics Division.
Gordon Haxel and Carl Jacobson. Cosponsored by GSA Jay Chapman, Univ. of Arizona, jaychapman@email
Structural Geology and Tectonics Division. Jon Spencer, .arizona.edu; Ryan Porter, Northern Arizona Univ., ryan
Univ. of Arizona, spencer7@email.arizona.edu; Sue Beard, .porter@nau.edu; Chris Clinkscales, Univ. of Arizona,
USGS, sbeard@usgs.gov. clinkscales@email.arizona.edu.
Theme Sessions T9. Cenozoic Extension in Western North America.
Cosponsored by GSA Geophysics Division; GSA Structural
T1. Miocene to Recent Evolution of the Lower Colorado Geology and Tectonics Division. Lisa Lamb, St. Thomas
River Corridor and the Northern Gulf of California. Univ., malamb@stthomas.edu; John Singleton, Colorado
Cosponsored by GSA Quaternary Geology and State Univ., John.Singleton@colostate.edu; Gary Axen,
Geomorphology Division; GSA Structural Geology and New Mexico Tech, gary.axen@nmt.edu; Jolante Van Wijk,
Tectonics Division. Ryan Crow, USGS, rcrow@usgs.gov; New Mexico Tech, jolante.vanwijk@nmt.edu; Jason
Kris McDougall, USGS, kris@usgs.gov; Scott Bennett, Ricketts, Univ. of Texas–El Paso, jricketts@utep.edu.
USGS, sekbennett@usgs.gov; Mike Darin, Northern
Arizona Univ., michael.darin@nau.edu. T10. Geologic and Structural Evolution of the Transition
Zone. Cosponsored by GSA Geophysics Division; GSA
T2. Earth Surface Processes in the Critical Zone. Quaternary Geology and Geomorphology Division; GSA
Cosponsored by GSA Quaternary Geology and Structural Geology and Tectonics Division. Alan Chapman,
Geomorphology Division; GSA Hydrogeology Division. Macalester College, chapman@macalester.edu; Nancy
Tim White, Penn State Univ., tsw113@psu.edu; Jon Pelletier, Riggs, Northern Arizona Univ., Nancy.Riggs@nau.edu;
Univ. of Arizona, jon@geo.arizona.edu. Tim Schroeder, Bennington College, tschroeder@
bennington.edu; Jessie Shields, California State Univ.–
T3. Advances in River Science in the Intermountain West. Fresno, jessieshields9@mail.fresnostate.edu.
Cosponsored by GSA Quaternary Geology and
Geomorphology Division; GSA Hydrogeology Division. T11. Pennsylvanian to Early Triassic Tectonics of Southwest
Erich Mueller, University of Wyoming, erich.mueller@ Laurentia. Cosponsored by GSA Mineralogy,
uwyo.edu.; Paul Grams, USGS, pgrams@usgs.gov; Daniel Geochemistry, Petrology, and Volcanology Division; GSA
Buscombe, Northern Arizona Univ., Daniel.Buscombe@ Sedimentary Geology Division; GSA Structural Geology
nau.edu; Dave Dean, USGS, djdean@usgs.gov. and Tectonics Division. Nancy Riggs, Northern Arizona
Univ., nancy.riggs@nau.edu; Andy Barth, Indiana Univ.,
T4. New Insights into the Development and Evolution of the ibsz100@iupui.edu; Robinson Cecil, California State Univ.–
Colorado River System from Geologic Mapping Northridge, Robinson.Cecil@csun.edu.
(Posters). Cosponsored by GSA Quaternary Geology and
Geomorphology Division; GSA Structural Geology and T12. Plate Margin Processes and Tectonics during the
Tectonics Division. Kyle House, USGS, khouse@usgs.gov; Cretaceous, Western North America. Cosponsored by
Phil Pearthree, Arizona Geological Survey, pearthre@ GSA Geophysics Division; GSA Structural Geology and
email.arizona.edu. Tectonics Division. Bernie Housen, Western Washington
Univ., Bernard.Housen@wwu.edu; Basil Tikoff, Univ. of
T5. Post-Wildfire Hazards: From New Research to Wisconsin, basil@geology.wisc.edu.
Assessments, Prediction, and Mitigation. Cosponsored by
GSA Quaternary Geology and Geomorphology Division; T13. Emerging Ideas on the Ancestral Rocky Mountain
GSA Hydrogeology Division. Ann Youberg, Arizona System. Cosponsored by GSA Structural Geology and
Geological Survey, ayouberg@amail.arizona.edu; Luke Tectonics Division. Ryan Leary, Northern Arizona Univ.,
McGuire, Univ. of Arizona, lmcguire@email.arizona.edu. ryan.leary@nau.edu; Paul Umhoefer, Northern Arizona
Univ., paul.umhoefer@nau.edu; Mike Smith, Northern
T6. Colorado Plateau Landscape Evolution—Grand Canyon– Arizona Univ., michael.e.smith@nau.edu.
and Upper Basin–Focused Colorado River Evolution.
Cosponsored by GSA Geophysics Division; GSA Structural T14. Paleomagnetic, Structural, and Geophysical Data
Geology and Tectonics Division; GSA Quaternary Geology Applied to Intrusive and Extrusive Igneous Systems,
and Geomorphology Division. Sue Beard, USGS, sbeard@ Tectonic Applications, and Paleoclimate Studies.
usgs.gov; Andres Aslan, Colorado Mesa University, Cosponsored by GSA Geophysics Division; GSA Structural
aaslan@coloradomesa.edu; Richard Young, SUNY Geology and Tectonics Division. Michael S. Petronis, New
Geneseo, young@geneseo.edu; Karl Karlstrom, Univ. of Mexico Highlands Univ., mspetro@nmhu.edu; Filip Tomek,
New Mexico, kek1@unm.edu. Czech Academy of Sciences, filip.tomek@gmail.com;
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