Geological Society of America

8:05 AM

THE REAL ANTLER OROGENY:EVIDENCE IN NEVADA

Patricia Cashman, University of Nevada, Reno, NV and Daniel Sturmer, University of Cincinnati, Cincinnati, OH

366163 (Technical Sessions)

8:20 AM

DETRITAL-ZIRCON AGES OF UPPER MISSISSIPPIAN–LOWER PENNSYLVANIAN DEPOSITS INDICATE MORROWAN INCEPTION OF THE ANCESTRAL ROCKY MOUNTAINS OROGEN

Timothy Lawton, University of Texas at Austin, Bureau of Economic Geology, Austin, TX and William Thomas, Geological Survey of Alabama, Tuscaloosa, AL and George E. Gehrels, University of Arizona, Tucson, AZ

369625 (Technical Sessions)

8:50 AM

DETRITAL ZIRCON RECORD OF CORDILLERAN MAGMATISM AS PRESERVED BY JURASSIC-PALEOCENE FOREARC AND FORELAND BASINS OF THE NORTH AMERICAN CORDILLERA

Theresa Schwartz, Geosciences and Environmental Change Science Center, Denver, CO and Kathleen Surpless, Trinity University, San Antonio, TX and Joseph Colgan, Geosciences and Environmental Change Science Center, Denver, CO

366504 (Technical Sessions)

9:05 AM

PREDICTING SAND MINERALOGY WITHIN CORDILLERAN OROGENIC SYSTEMS: MACHINE LEARNING APPLIED TO A GLOBAL DATABASE OF MODERN-PLEISTOCENE SAND SAMPLES

Glenn Sharman, University of Arkansas, Fayetteville, AR and Isaac Johnson, University of Arkansas, Fayetteville, TX and Xiao Huang, University of Arkansas, Fayetteville, AR and Eugene Szymanski, Utah Geological Survey, Salt Lake City, UT

368526 (Technical Sessions)

9:25 AM

TRACKING CRETACEOUS CORDILLERAN MAGMATIC ARC PETROGENESIS USING COUPLED DETRITAL ZIRCON GEOCHRONOLOGY, HF ISOTOPES, AND GEOCHEMISTRY FROM MODERN SIERRA NEVADA SAND

Scott Johnston, California State University Northridge, Northridge, CA and Andrew Kylander-Clark, UC Santa Barbara, Santa Barbara, CA and Andrew Barth, Indiana University, Indianapolis, IN

370238 (Technical Sessions)

9:40 AM

LATE MESOZOIC TERRANE ASSEMBLY IN THE NORTHWESTERN CORDILLERA THROUGH THE LENS OF SILICICLASTIC SUCCESSIONS IN EASTERN INTERIOR ALASKA

James Jones, Alaska Science Center, Anchorage, AK and Chris Holm-Denoma, Geology, Geophysics, and Geochemistry Science Center, Denver, CO and Dwight Bradley, U.S. Geological Survey, Anchorage, AK and Paul O'Sullivan, GeoSep Services, Moscow, ID

365279 (Technical Sessions)

10:10 AM

A CRUCIAL GEOLOGIC TEST OF LATE JURASSIC EXOTIC COLLISION VERSUS ENDEMIC RE-ACCRETION IN THE KLAMATH MOUNTAINS PROVINCE, WESTERN UNITED STATES, WITH IMPLICATIONS FOR THE ASSEMBLY OF WESTERN NORTH AMERICA

Todd LaMaskin, University of North Carolina Wilmington, Wilmington, NC and Jonathan A. Rivas, University of North Carolina Wilmington, Wilmington, NC and David Barbeau, University of South Carolina, Columbia, SC and Joshua Schwartz, California State University Northridge, Northridge, CA and John A. Russell, University of North Carolina Wilmington, Wilmington, NC and Alan Chapman, Macalester College, Saint Paul, MN

370508 (Technical Sessions)

10:25 AM

DETRITAL MINERAL CONSTRAINTS REFLECTING MODERATE NORTHWARD TRANSLATION OF THE GOLD BEACH TERRANE, OREGON

Ericka Boudreau, University of Massachusetts Lowell, Lowell, MA and Richard M. Gaschnig, University of Massachusetts Lowell, Lowell, MA and Joshua Schwartz, University of Wyoming, Laramie, WY and Jeffrey Vervoort, Washington State University, Pullman, WA

369953 (Technical Sessions)

10:40 AM

TRACKING 40 MILLION YEARS OF MIGRATING MAGMATISM ACROSS THE IDAHO BATHOLITH USING ZIRCON U-PB AGES AND HF ISOTOPES FROM CRETACEOUS BENTONITES

Jeff Hannon, Department of Geoscience, Madison, WI and Craig Dietsch, University of Cincinnati, Cincinnati, OH and Warren Huff, Univ of Cincinnati, Cincinnati, OH

365933 (Technical Sessions)

10:55 AM

VARIATION IN BASIN GEOMETRY AND ACCOMMODATION DURING THE LATE CRETACEOUS, NORTH AMERICAN CORDILLERA, MONTANA AND WYOMING

Carla Eichler, University of Oklahoma, Norman, OK and Joel Saylor, University of British Columbia, Vancouver, BC and Julia S. Wellner, University of Houston, Houston, TX

368475 (Technical Sessions)

11:10 AM

DETRITAL ZIRCON U-PB GEOCHRONOLOGY OF CRETACEOUS STRATA IN THE SOUTHWESTERN MONTANA FORELAND BASIN PROVIDES NEW TEMPORAL CONTROL FOR THE ONSET OF LARAMIDE DEFORMATION

Emily Finzel, University of Iowa, Iowa City, IA and David Pearson, Idaho State University, Pocatello, IA and Justin Rosenblume, University of Iowa, Iowa City, IA and Cole Gardner, University of Iowa, Iowa City, IA and Kacey Garber, University of Iowa, Iowa City, IA

366155 (Technical Sessions)

11:30 AM

MIDDLE ALBIAN PROVENANCE, SEDIMENT DISPERSAL, AND FORELAND BASIN DYNAMICS IN SOUTHWESTERN MONTANA, NORTH AMERICAN CORDILLERA

Justin Rosenblume, University of Iowa, Iowa City, IA and Emily Finzel, University of Iowa, Iowa City, IA and Cole Gardner, University of Iowa, Iowa City, IA and David Pearson, Idaho State University, Pocatello, IA

365418 (Technical Sessions)

11:45 AM

PRE-MIOCENE AGED SAPROLITE ZONE IN THE COYOTE MOUNTAINS, SALTON TOUGH, SOUTHERN CALIFORNIA

George Morgan, La Mesa, CA and John Prall, N/A

366347 (Technical Sessions)

T143 Insights into Cordilleran Tectonics and Magmatism from the Sedimentary Record

Presentations