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Session No. 290
Wednesday, 3 November 2010: 1:30 PM-5:30 PM
Room 406 (Colorado Convention Center)

T150. New Insights on the Tectonic, Magmatic, Paleobiogeographic, and Metallogenic Evolution of Terranes in the North American Cordillera from Alaska to California II

GSA Structural Geology and Tectonics Division; GSA Geophysics Division; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division

 

Anjana K. Shah, Luke P. Beranek, Andrew H. Caruthers, Tyler William Ruks, Dwight C. Bradley and Marti L. Miller, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1
1:45 PM
WHOLE CRUST GEOPHYSICAL TRANSECT MODELS ACROSS THE SOUTH-CENTRAL MARGIN OF ALASKA
SALTUS, Richard W., MS 964, US Geological Survey, Federal Center, Box 25046, Denver, CO 80225-0046, saltus@usgs.gov, saltus@usgs.gov
2
2:00 PM
TOWARDS A CRETACEOUS PALEOGEOGRAPHY OF NW LAURENTIA: UNTYING THE TINTINA-KALTAG-KOBUK KNOT
MURPHY, Donald C., Yukon Geological Survey, Box 2703 (K14), Whitehorse, YT Y1A 2C6, Canada, don.murphy@gov.yk.ca, don.murphy@gov.yk.ca
3
2:15 PM
REGIONAL MESOZOIC BASIN DEVELOPMENT ACROSS SOUTHERN ALASKA: STRATIGRAPHIC LINKS AND DETRITAL ZIRCON TRACERS
RIDGWAY, Kenneth, Department of Earth and Atmospheric Sciences, Purdue University, 500 Stadium Mall Drive, West Lafayette, IN 47907, BRENNAN, Patrick, Chevron Energy Technology Company, 1400 Smith St, Houston, TX 77002, KALBAS, James L., ExxonMobil Development Company, Houston, TX 77381, HAMPTON, Brian, Dept. of Geological Sciences, Michigan State University, 206 Natural Science Building, East Lansing, MI 48824-1115 and GEHRELS, George E., Department of Geosciences, University of Arizona, Tucson, AZ 85721, ridge@purdue.edu, ridge@purdue.edu
4
2:35 PM
VOLCANICLASTIC GRAVITY FLOW DEPOSITS IN THE DEZADEASH FORMATION (JURA-CRETACEOUS), YUKON, CANADA: IMPLICATIONS REGARDING THE TECTONOMAGMATIC EVOLUTION OF THE CHITINA ARC IN THE NORTHERN CORDILLERA OF NORTH AMERICA
LOWEY, Grant, Yukon Geological Survey, Government of Yukon, 2099 2nd Ave, Whitehorse, YT Y1A 1B5, Canada, glowey@gov.yk.ca, glowey@gov.yk.ca
5
2:50 PM
LATE AND POST-ACCRETIONARY MAGMATISM AND METALLOGENY IN THE NORTHERN CORDILLERA, YUKON AND EASTERN ALASKA
MORTENSEN, James K., Mineral Deposit Research Unit, Earth & Ocean Sciences, University of British Columbia, 6339 Stores Road, Vancouver, BC V6T 1Z4, Canada and HART, Craig J.R., Mineral Deposit Research Unit, University of British Columbia, 2020 - 2207 Main Mall, Vancouver, BC V6T 1Z4, Canada, jmortensen@eos.ubc.ca, jmortensen@eos.ubc.ca
6
3:10 PM
GEOPHYSICAL INVESTIGATIONS INTO THE TECTONIC AND MAGMATIC EVOLUTION OF THE KAHILTNA TERRANE, SW ALASKA
BEDROSIAN, Paul A., US Geological Survey, Denver Federal Center, Bldg 20, MS 964, Denver, CO 80225, SHAH, Anjana K., U.S. Geological Survey, Denver Federal Center, POB 25046, MS 964, Denver, CO 80225, ANDERSON, Eric D., US Geol Survey, Denver Federal Center, Bldg 20, MS 964, Denver, CO 80225 and KELLEY, Karen D., USGS MS973, Box 25046, Denver, CO 80225, pbedrosian@usgs.gov, pbedrosian@usgs.gov
7
3:25 PM
GRAVITY, MAGNETOTELLURIC, AND MAGNETIC FIELD DATA DISTINGUISH MAGMATIC FEATURES IN THE ILIAMNA-LAKE CLARK REGION NEAR THE PEBBLE PORPHYRY DEPOSIT
SHAH, Anjana K.1, BEDROSIAN, Paul A.2, ANDERSON, Eric D.2, BROWN, Philip2, KELLEY, Karen D.2 and LANG, James R.3, (1)U.S. Geological Survey, Denver Federal Center, POB 25046, MS 964, Denver, CO 80225, (2)U.S. Geological Survey, Denver Federal Center POB 25046, Denver, CO 80225, (3)Hunter Dickinson Services, Inc, 1020-800 West Pender St, Vancouver, BC V6C 2V6, Canada, ashah@usgs.gov, ashah@usgs.gov
 
3:40 PM
Break
8
3:55 PM
INTRUSIVE ROCKS ASSOCIATED WITH THE PEBBLE PORPHYRY CU-AU-MO DEPOSIT, SOUTHWEST ALASKA
HART, Craig J.R., Mineral Deposit Research Unit, Department of Earth & Ocean Sciences, University of British Columbia, 6339 Stores Road, Vancouver, BC V6T 1Z4, Canada, LANG, James R., Hunter Dickinson Services, Inc, 1020-800 West Pender St, Vancouver, BC V6C 2V6, Canada, GOLDFARB, Richard J., United States Geological Survey, Box 25046, MS 973, Denver, CO 80225 and FARMER, G. Lang, Department of Geological Sciences, University of Colorado, Boulder, CO 80309, chart@eos.ubc.ca, chart@eos.ubc.ca
9
4:15 PM
PETROLOGY AND 40Ar/39Ar GEOCHRONOLOGY OF GRANITIC ROCKS AND GREISENS AT THE SLEITAT MOUNTAIN TIN-SILVER-TUNGSTEN DEPOSIT, ILIAMNA DISTRICT, SOUTHWEST ALASKA
LAYER, Paul, Geology and Geophysics, Univ of Alaska Fairbanks, P.O. Box 755780, Fairbanks, AK 99701 and BUNDTZEN, Thomas K., Pacific Rim Geological Consulting, 1129 1st Avenue, Box 81906, Fairbanks, AK 99708, pwlayer@alaska.edu, pwlayer@alaska.edu
10
4:30 PM
EARLIEST TERTIARY AND LATEST CRETACEOUS GRANITIC ROCKS OF SOUTHWEST ALASKA
WILSON, Frederic H., Alaska Science Center, U.S. Geological Survey, 4210 University Dr, Anchorage, AK 99508, STOESER, Douglas B., US Geol Survey, PO Box 25046, Denver, CO 80225-0046 and SALTUS, Richard W., MS 964, US Geological Survey, Federal Center, Box 25046, Denver, CO 80225-0046, fwilson@usgs.gov, fwilson@usgs.gov
11
4:45 PM
DEFORMATIONAL HISTORY OF THE LIBERTY CREEK AND ICEBERG LAKE BLUESCHIST BODIES, SOUTH CENTRAL ALASKA
DAY, Erik M., Department of Geological Sciences, University of Texas at El Paso, El Paso, TX 79968-0555, PAVLIS, Terry, Geological Sciences, University of Texas at El Paso, 500 W. University Ave, El Paso, TX 79968 and AMATO, Jeffrey M., Department of Geological Sciences, New Mexico State University, MSC 3AB, PO Box 30001, Las Cruces, NM 88003, erikday75@homail.com, erikday75@homail.com
 
5:00 PM
Discussion
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