Session: Geological and Geophysical Constraints on the Tectonic Evolution and Resource Potential of Alaska and the Northern North American Cordillera (2013 GSA Annual Meeting in Denver: 125th Anniversary of GSA (27-30 October 2013))

Introductory Remarks
Abstract ID#: 234327

CENOZOIC SEDIMENTARY RECORD OF ACCRETED TERRANE PROCESSES ALONG THE SOUTHERN ALASKA CONVERGENT MARGIN, YAKUTAT TERRANE, ST. ELIAS MOUNTAINS
Abstract ID#: 233291

RIDGWAY, Kenneth D., Earth, Atmospheric, and Planetary Sciences, Purdue University, 550 Stadium Mall Drive, West Lafayette, IN 47907, ridge@purdue.edu, BRENNAN, Patrick, Chevron Energy Technology Company, 1400 Smith St, Houston, TX 77002, WITMER, John W., Chevron North America Exploration and Production Company, 5750 Johnston Street, Lafayette, LA 70503, and LANDIS, Paul, Chevron North America Exploration and Production Company, 1500 Louisiana Street, Houston, TX 77002

LATE CRETACEOUS TO EOCENE PROGRESSION OF ARC AND COLLISIONAL MAGMATISM IN SOUTH-CENTRAL ALASKA
Abstract ID#: 229001

COLE, Ronald B., Dept of Geology, Allegheny College, 520 N. Main Street, Meadville, PA 16335, ron.cole@allegheny.edu and CHUNG, Sun-Lin, Department of Geosciences, National Taiwan University, Taipei, Taiwan

MAGMATIC HISTORY OF THE TORDRILLO MOUNTAINS AND WESTERN ALASKA RANGE AND TECTONIC IMPLICATIONS
Abstract ID#: 231609

HAEUSSLER, Peter J.¹, BRADLEY, Dwight¹, AYUSO, Robert², LAYER, Paul W.³, FRIEDMAN, Richard M.⁴, O'SULLIVAN, Paul⁵, JONES, James V. III⁶, KARL, Susan M.⁷, BOX, Stephen E.⁸, and TODD, Erin⁹, (1) USGS, 4210 University Dr, Anchorage, AK 99508, pheuslr@usgs.gov, (2) US Geological Survey, 954 National Ctr, Reston, VA 20192-0001, (3) College of Natural Science and Mathematics, Univ of Alaska Fairbanks, PO 755780, Fairbanks, AK 99775, (4) Dept. Earth and Ocean Sciences, University of British Columbia, 6339 Stores Rd, Vancouver, BC V6T1Z4, Canada, (5) Apatite to Zircon, Inc, 1075 Matson Road, Viola, ID 83872-9709, (6) U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, (7) USGS, 4210 University Dr, Anchorage, AK 99508-4626, (8) U.S. Geological Survey, 904 W. Riverside Ave, Room 202, Spokane, WA 99201, (9) Alaska Science Center, U.S. Geological Survey, 4210 University Dr, Anchorage, AK 99508

DETRITAL ZIRCON CONSTRAINTS ON SOURCES, AGE OF DEFORMATION AND LOCALIZATION OF MINERAL DEPOSITS OF KAHILTNA BASIN, SOUTH-CENTRAL ALASKA
Abstract ID#: 227193

BOX, Stephen E.¹, KARL, Susan M.², JONES, James V. III³, LEASE, Richard O.², BRADLEY, Dwight C.⁴, HAEUSSLER, Peter J.⁵, GRAHAM, Garth⁶, SALTUS, Richard W.⁷, and HULTS, Chad P.², (1) U.S. Geological Survey, 904 W. Riverside Ave, Room 202, Spokane, WA 99201, sbox@usgs.gov, (2) USGS, 4210 University Dr, Anchorage, AK 99508-4626, (3) U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, (4) U.S. Geological Survey, 4210 University Dr, Anchorage, AK 99508, (5) USGS, 4210 University Dr, Anchorage, AK 99508, (6) U.S. Geological Survey, DFC MS973, Lakewood, CO 80225, (7) MS 964, U.S. Geological Survey, Federal Center, Box 25046, Denver, CO 80225-0046

PETROGRAPHIC AND DETRITAL ZIRCON DATA FROM THE KAHILTNA BASIN SUGGEST EARLY CRETACEOUS JUXTAPOSITION OF THE CONTINENTAL MARGIN AND THE PENINSULAR TERRANE IN THE WESTERN ALASKA RANGE
Abstract ID#: 222895

KARL, Susan M.¹, BOX, Stephen E.², JONES, James V. III¹, LEASE, Richard O.¹, BRADLEY, Dwight C.¹, HAEUSSLER, Peter J.¹, HULTS, Chad P.¹, and GRAHAM, Garth³, (1) U.S. Geological Survey, 4210 University Dr, Anchorage, AK 99508, skarl@usgs.gov, (2) U.S. Geological Survey, 904 W. Riverside Ave, Room 202, Spokane, WA 99201, (3) U.S. Geological Survey, DFC MS973, Lakewood, CO 80225

DUMOULIN, Julie A., U.S. Geol Survey, 4210 University Dr, Anchorage, AK 99508, dumoulin@usgs.gov, BRADLEY, Dwight C., U.S. Geological Survey, 4210 University Dr, Anchorage, AK 99508, TILL, Alison B., USGS, 4210 University Dr, Anchorage, AK 99508, BOX, Stephen E., U.S. Geological Survey, 904 W. Riverside Ave, Room 202, Spokane, WA 99201, and JONES, James V. III, U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508

Break
Abstract ID#: 234328

WHAT THE YUKON’S "SECOND GOLD RUSH" HAS REVEALED ABOUT METALLOGENY OF THE NORTHERN YUKON-TANANA TERRANE
Abstract ID#: 224817

ALLAN, Murray M.¹, MORTENSEN, James K.², HART, Craig J.R.³, and SÁNCHEZ, Matías G.³, (1) Mineral Deposit Research Unit, University of British Columbia, 2020 - 2207 Main Mall, Vancouver, BC V6T1Z4, Canada, mallan@eos.ubc.ca, (2) Earth and Ocean Sciences, University of British Columbia, Vancouver, BC V6T 1Z4, Canada, (3) Mineral Deposit Research Unit, University of British Columbia, 2020 - 2207 Main Mall, Vancouver, BC V6T 1Z4, Canada

MESOZOIC FRAMEWORK FOR MAGMATISM, METALLOGENY, AND FAULTING IN THE WESTERN FORTYMILE MINING DISTRICT, EAST CENTRAL ALASKA—SHRIMP U-PB ZIRCON GEOCHRONOLOGY, WHOLE-ROCK GEOCHEMISTRY, AND LEAD ISOTOPES
Abstract ID#: 225857

DUSEL-BACON, Cynthia, US Geological Survey, 345 Middlefield Rd., MS 901, Menlo Park, CA 94025, cdusel@usgs.gov, ALEINIKOFF, John N., US Geological Survey, MS 963, Denver, CO 80225, DAY, Warren C., US Geological Survey, MS 911, Denver, CO 80225, and MORTENSEN, James K., Earth and Ocean Sciences, University of British Columbia, Vancouver, BC V6T 1Z4, Canada

RECONCILING GEOLOGY BETWEEN ALASKA AND THE YUKON – POTENTIAL ROLE OF REGIONAL MAGNETIC ANOMALY DATA
Abstract ID#: 228922

SALTUS, Richard W., MS 964, U.S. Geological Survey, Federal Center, Box 25046, Denver, CO 80225-0046, saltus@usgs.gov, HAYWARD, Nathan, Geological Survey of Canada, Vancouver, 625 Robson Street, Vancouver, V6B 5J3, Canada, JONES, James V. III, U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, and MURPHY, Donald C., Yukon Geological Survey, P.O. Box 2703 (K-10), Whitehorse, YT Y1A 2C6, Canada

DENSITY STRUCTURE OF THE NATIONAL PETROLEUM RESERVE ALASKA FROM GRAVITY PROFILE INVERSIONS
Abstract ID#: 226911

PHILLIPS, Jeffrey D.¹, SALTUS, Richard W.², and MOULTON, Craig W.¹, (1) U.S. Geological Survey, Box 25046, M.S. 964, Denver Federal Center, Denver, CO 80225-0046, jeff@usgs.gov, (2) MS 964, U.S. Geological Survey, Federal Center, Box 25046, Denver, CO 80225-0046

LATE JURASSIC – EARLY CRETACEOUS STRUCTURAL INVERSION AND SYNTECTONIC, PETROLEUM-PROSPECTIVE STRATA ON THE CHUKCHI SHELF, ARCTIC ALASKA
Abstract ID#: 225862

HOUSEKNECHT, David W., US Geological Survey, 12201 Sunrise Valley Drive, MS 956, Reston, VA 20192, dhouse@usgs.gov

Discussion
Abstract ID#: 234329

179. T179. Geological and Geophysical Constraints on the Tectonic Evolution and Resource Potential of Alaska and the Northern North American Cordillera

179.
T179. Geological and Geophysical Constraints on the Tectonic Evolution and Resource Potential of Alaska and the Northern North American Cordillera