Geological Society of America

1:30 PM

A PORPOISING CRYOGENIAN BASIN IN THE PANAMINT RANGE, CALIFORNIA

Lyle L. Nelson, Johns Hopkins University, Baltimore, MD and Emily F. Smith, Johns Hopkins University, Baltimore, MD and Francis A. Macdonald, Harvard University, Cambridge, MA and Eben Blake Hodgin, Harvard University, Cambridge, MA

298510 (Technical Sessions)

1:45 PM

NEOPROTEROZOIC-EARLY CAMBRIAN PULL-APART BASINS ALONG CORDILLERAN TRANSFORM MARGIN, NORTH AMERICA, AND IMPLICATIONS FOR SIBERIAN CONJUGATE CONNECTION

James Sears, University of Montana, Missoula, MT

302084 (Technical Sessions)

2:00 PM

ANCIENT RIFTED LAURENTIAN MARGIN CONTROLS ON MESO-CENOZOIC CORDILLERAN METALLOGENY

Craig J.R. Hart, University of British Columbia, Vancouver, BC

308650 (Technical Sessions)

2:20 PM

USING VOLCANOGENIC MASSIVE SULFIDES (VMS) AS PROXIES FOR MID-PALEOZOIC TECTONICS, CRUSTAL COMPOSITION, AND BASIN REDOX ALONG THE ANCIENT PACIFIC MARGIN OF NORTH AMERICA

Stephen J. Piercey, Memorial University of Newfoundland, St. John's, NF and Luke Beranek, Memorial University of Newfoundland, St. John's, NF

298986 (Technical Sessions)

2:35 PM

DETRITAL ZIRCON GEOCHRONOLOGY AND PROVENANCES OF QUARTZOSE METASEDIMENTARY ROCKS FROM PARAUTOCHTHONOUS NORTH AMERICA, EAST-CENTRAL ALASKA

Cynthia Dusel-Bacon, Geology, Minerals, Energy, and Geophysics Science Center, Menlo Park, CA and Chris Holm-Denoma, Geology, Geophysics, and Geochemistry Science Center, Denver, CO and James Jones, Alaska Science Center, Anchorage, AK and John Aleinikoff, Central Mineral and Environmental Resources Science Center, Denver, CO and James K. Mortensen, University of British Columbia, Vancouver, BC

300908 (Technical Sessions)

2:50 PM

JURASSIC STRATIGRAPHY AND TECTONIC EVOLUTION OF THE WHITEHORSE TROUGH, CENTRAL YUKON: NEW INSIGHTS FROM LASER ABLATION SPLIT STREAM (LASS) DETRITAL ZIRCON U-PB GEOCHRONOLOGY AND HF ISOTOPE GEOCHEMISTRY

Leigh H. van Drecht, Memorial University of Newfoundland, St. John's, NF and Luke Beranek, Memorial University of Newfoundland, St. John's, NF

295479 (Technical Sessions)

3:05 PM

FOREARC BASIN DETRITAL RECORD OF MESOZOIC-CENOZOIC TECTONICS IN THE NORTHERN CORDILLERA, SOUTH-CENTRAL ALASKA

Emily Finzel, University of Iowa, Iowa City, IA and Eva Enkelmann, University of Cincinnati, Cincinnati, OH and Sarah Falkowski, University of Tuebingen, Tuebingen and Mattie M. Reid, University of Iowa, Iowa City, IA and Bill McClelland, University of Iowa, Iowa City, IA

297602 (Technical Sessions)

3:25 PM

EVOLUTION OF JURA-CRETACEOUS BASINS IN SOUTHWEST YUKON, WITH IMPLICATIONS FOR MESOZOIC ACCRETIONARY PROCESSES IN THE WESTERN NORTH AMERICAN CORDILLERA

Lianna E.D. Vice, Simon Fraser University, Burnaby, BC and H. Dan Gibson, Simon Fraser University, Burnaby, BC and Steve A. Israel, Yukon Geological Survey, Whitehorse, YT and James Crowley, Boise State University, Boise, ID

300236 (Technical Sessions)

3:40 PM

A SUMMARY OF RECENT PROGRESS ON UNDERSTANDING THE STRUCTURAL EVOLUTION AND PALEOGEOGRAPHY OF THE NEVADAPLANO

Sean P. Long, Washington State University, Pullman, WA

301454 (Technical Sessions)

4:00 PM

AN OVERLOOKED WIDE ZONE OF HIGH STRAIN IN THE 'AUTOCHTHON' OF THE EARLY-MIDDLE JURASSIC FENCEMAKER DEFORMATION BELT, NORTHWEST NEVADA: IMPLICATIONS FOR CORDILLERAN OROGENESIS, PALEOGEOGRAPHY, AND ORE DEPOSITS

Sandra Wyld, MapTect LLC, Athens, GA and Douglas W. Prihar, Pershing Gold Corp., Lovelock, NV and Stephen G. Peters, U.S. Geological Survey, Reno, NV and Richard H. Fifarek, Ridgefield, WA and James E. Wright, University of Georgia, Athens, GA

297771 (Technical Sessions)

4:15 PM

EVALUATING ARC PERIODICITY AND GEOCHEMICAL EVOLUTION WITHIN THE CENTRAL NORTH AMERICAN CORDILLERA: CONSTRAINTS FROM THE U-PB AND HF ISOTOPE RECORD OF DETRITAL ZIRCONS IN FORELAND STRATA

Liz Balgord, Weber State University, Ogden, UT and Adolph Yonkee, Weber State University, Ogden, UT and Michael Wells, University of Nevada, Las Vegas, Las Vegas, NV and Andrew Laskowski, Montana State University, Bozeman, MT and Amanda Gentry, University of Nevada Las Vegas, Las Vegas, NV

306711 (Technical Sessions)

4:30 PM

GEOCHRONOLOGIC CONSTRAINTS ON THE HISTORY OF MAGMATISM, METAMORPHISM, AND DEFORMATION IN THE CHELAN MOUNTAINS TERRANE, NW CASCADES CRYSTALLINE CORE, WA

Elizabeth Schermer, Western Washington University, Bellingham, WA and Julia E. Labadie, Anchor QEA, Bellingham, WA and Gerald E. Griesel, Newmont Mining Corporation, Elko, NV and Aaron Fitts, Materials Testing and Consulting, Bellingham, WA and Robert G. Isaacson, Rio Tinto, West Jordan, UT

308555 (Technical Sessions)

4:45 PM

CONTRASTING CRETACEOUS PALEODRAINAGE SYSTEMS OF BASINS FLANKING THE BROOKS RANGE, ARCTIC ALASKA

Tim OBrien, Stanford University Geological and Environmental Sciences, Stanford, CA and Elizabeth Miller, Stanford University, Stanford, CA and Victoria Pease, Stockholm University, Stockholm, CA and Leslie A. Hayden, Menlo Park, CA and Christopher M. Fisher, Memorial University of Newfoundland, St John's, NF and Jeremy Hourigan, University California Santa Cruz, Santa Cruz, CA and Jeffrey Vervoort, Washington State University, Pullman, WA

305835 (Technical Sessions)

5:00 PM

U-PB DETRITAL GEOCHRONOLOGY AND HF ISOTOPIC ANALYSES FROM UPPER CRETACEOUS STRATA OF THE NORTHERN TALKEETNA MOUNTAINS, SOUTHERN ALASKA: SEDIMENT DISPERSAL AND MAGMATISM DURING THE FINAL ACCRETIONARY PHASE OF THE WRANGELLIA COMPOSITE TERRANE

Brian Hampton, New Mexico State University, Las Cruces, NM and Makayla R. Jacobs, New Mexico State University, Las Cruces, NM and Cody J. Stopka, New Mexico State University, Las Cruces, NM

308255 (Technical Sessions)

5:15 PM

CHARACTERIZATION OF PALEOCENE TO EOCENE MAGMATISM AND TECTONICS IN THE NORTHERN CANADIAN CORDILLERA AND THEIR ROLE IN REGIONAL METALLOGENY

Steve A. Israel, Yukon Geological Survey, Whitehorse, YT and Donald C. Murphy, Whitehorse, YT and James L. Crowley, Boise State University, Boise, ID and Jeffrey A. Benowitz, University of Alaska Fairbanks, Fairbanks, AK

308078 (Technical Sessions)

T344 New Perspectives on Cordilleran Tectonics, Paleogeography, and Metallogeny

Presentations