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GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 148
Monday, 23 October 2017: 1:30 PM-5:30 PM
Tahoma 3 (The Conference Center)

T213. Integrated Approaches to Deciphering Major Crustal Boundaries in Polyphase Orogenic Settings

GSA Structural Geology and Tectonics Division; Society of Economic Geologists; GSA Geophysics Division
James V. Jones III, James J. Ryan, Jonathan S. Caine and Benjamin J. Drenth, Advocates
 
1:30 PM
Introductory Remarks
148-1
1:35 PM
NEW TECTONIC BOUNDARY AND GONDWANA MARGIN INHERITANCE REVEALED IN CRUST BENEATH ROSS ICE SHELF, ANTARCTICA, THROUGH ROSETTA-ICE PROJECT INTEGRATION OF AEROGEOPHYSICS, GEOLOGY, AND OCEAN DATA
SIDDOWAY, Christine S.1, TINTO, Kirsteen2, BELL, Robin E.2 and LOCKETT, Alec1, (1)Geology Department, Colorado College, 14 E Cache la Poudre, Colorado Springs, CO 80903, (2)Lamont-Doherty Earth Observatory, Columbia University, 61 Route 9W, 109B Oceanography, Palisades, NY 10964, csiddoway@ColoradoCollege.edu
148-2
1:50 PM
LINKING MULTIPLE GOLD MINERALIZING EVENTS TO REACTIVATION OF CRUSTAL-SCALE FAULTS
FIELDING, Imogen O.H.1, JOHNSON, Simon P.2, ZI, Jian-wei1, SHEPPARD, Stephen1 and RASMUSSEN, Birger1, (1)Department of Applied Geology, Curtin University, Kent Street, Bentley, WA 6102, Australia, (2)Geological Survey of Western Australia, Department of Mines and Petroleum, 100 Plain Street, East Perth, Perth, WA 6004, Australia, imogen.fielding@postgrad.curtin.edu.au
148-3
2:05 PM
Withdrawn
148-4
2:20 PM
REGIONAL POLYPHASE DEFORMATION ON THE NASHVILLE AND JESSAMINE DOMES, TENNESSEE AND KENTUCKY I: FAR-FIELD EFFECTS OF THE ACADIAN-NEOACADIAN AND ALLEGHANIAN OROGENIES
HATCHER Jr., Robert D.1, BIBLE, Gary G.2, WUNDERLICH, Andrew L.1, STRISSEL, Morgan Marie1 and BOLING, Kenneth S.1, (1)Earth and Planetary Sciences, University of Tennessee, Knoxville, TN 37996, (2)President, Cougar Dome, LLC, P. O. Box 133, Helenwood, TN 37755, bobmap@utk.edu
148-5
2:35 PM
DEFORMATION CONDITIONS, KINEMATICS, AND THERMOCHRONOMETRIC CONSTRAINTS ALONG THE GOSSAN LEAD FAULT, THE BOUNDARY BETWEEN THE WESTERN AND EASTERN BLUE RIDGE IN NORTHWEST NORTH CAROLINA
LEVINE, Jamie S.F., Appalachian State University, 572 Rivers Street, Boone, NC 28608, MERSCHAT, Arthur, US Geological Survey, MS 926A National Center, Reston, VA 20191, CASALE, Gabriele, Geology, Appalachian State University, 033 Rankin Science West, 572 Rivers Street, Boone, WA 28608, MCALEER, Ryan J., United States Geological Survey, 926A National Center, Reston, VA 20192 and QUILLAN, Kevin, Reid, Geology, Western Washington University, 343 South Garden Street, Bellingham, WA 98225, levinejs@appstate.edu
148-6
2:50 PM
NEW ZIRCON AND APATITE U-PB GEOCHRONOLOGY FROM THE CARTHAGE-COLTON SHEAR ZONE: CONSTRAINING THE TIMING OF DEFORMATION IN A MAJOR CRUSTAL BOUNDARY IN THE NORTHWEST ADIRONDACKS
TORAMAN, Erkan and CHIARENZELLI, Jeffrey R., Department of Geology, St. Lawrence University, 23 Romoda Drive, Canton, NY 13617, etoraman@stlawu.edu
 
3:05 PM
Break
148-7
3:20 PM
MAJOR CRUSTAL BOUNDARIES IN OROGENIC SYSTEMS – HIDDEN TREASURES, MISUNDERSTOOD FEATURES AND PROGRESS MADE (Invited Presentation)
GIBSON, H. Dan, Earth Science, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada, hdgibson@sfu.ca
148-8
3:40 PM
MID-CRETACEOUS CORE COMPLEXES IN THE NORTHERN CORDILLERA: EXPOSING THE PARAUTOCHTHON THROUGH A THIN FLAP OF ALLOCHTHONOUS YUKON-TANANA TERRANE IN WESTERN YUKON
RYAN, James J.1, ZAGOREVSKI, Alexandre2, JOYCE, Nancy L.2, STAPLES, Reid D.3, JONES III, James V.4 and GIBSON, H. Daniel5, (1)Geological Survey of Canada, 1500 - 605 Robson Street, Vancouver, BC V6B5J3, Canada, (2)Geological Survey of Canada, 601 Booth St, Ottawa, ON K1A 0E8, Canada, (3)Department of Earth & Environmental Sciences, Douglas College, 700 Royal Avenue, New Westminster, BC V3M 5Z5, Canada, (4)Geological Survey of Canada, 1500 - 605 Robson Street, Vancouver, BC V6B5J3, Canada; U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, (5)Earth Sciences, Simon Fraser University, Burnaby, BC V5A 1S6, Canada, jim.ryan@canada.ca
148-9
3:55 PM
UNRAVELING THE BOUNDARY BETWEEN THE YUKON-TANANA TERRANE AND PARAUTOCHTHONOUS NORTH AMERICA IN EASTERN ALASKA
JONES III, James V., U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508; U.S. Geological Survey, Box 25046, DFC, MS 980, Denver, CO 80225, CAINE, Jonathan S., U.S. Geological Survey, Box 25046, DFC, MS 980, Denver, CO 80225, HOLM-DENOMA, Christopher S., U.S. Geological Survey, Central Mineral and Environmental Resources Science Center, Denver Federal Center, Denver, CO 80225, RYAN, James J., Geological Survey of Canada, 1500 - 605 Robson Street, Vancouver, BC V6B5J3, Canada, BENOWITZ, Jeff A., Geology and Geophysics, University of Alaska Fairbanks, P.O. Box 755780, Fairbanks, AK 99775 and DRENTH, Benjamin J., U.S. Geological Survey, MS 964 Denver Federal Center, Denver, CO 80225, jvjones@usgs.gov
148-10
4:10 PM
THE TAYLOR MOUNTAIN BATHOLITH: AEROMAGNETIC EXPRESSION, GEOMETRY, AND IMPLICATIONS FOR TECTONIC MODELS, EAST-CENTRAL ALASKA
DRENTH, Benjamin J., U.S. Geological Survey, MS 964 Denver Federal Center, Denver, CO 80225, JONES III, James V., U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, CAINE, Jonathan Saul, U.S. Geological Survey, P.O. Box 25046, MS 964, Denver, CO 80225-0046 and SALTUS, Richard W., Cooperative Institute for Research in Environmental Sciences and NOAA's National Centers for Environmental Information, University of Colorado, Boulder, CO 80305, bdrenth@usgs.gov
148-11
4:25 PM
CENOZOIC REACTIVATION OF CRETACEOUS TERRANE ACCRETIONARY STRUCTURES IN THE EASTERN ALASKA RANGE, ALASKA
WALDIEN, Trevor S.1, ROESKE, Sarah M.1, BENOWITZ, Jeffrey A.2 and STOCKLI, Daniel F.3, (1)Earth and Planetary Sciences, University California- Davis, 2119 Earth and Physical Sciences, One Shields Avenue, Davis, CA 95616, (2)Geophysical Institute and Geochronology Laboratory, University of Alaska Fairbanks, Fairbanks, AK 99775, (3)Department of Geosciences, The Jackson School of Geosciences at The University of Texas at Austin, Austin, TX 78712, tswaldien@ucdavis.edu
148-12
4:40 PM
LARGE VERTICAL OFFSETS OF MOHO COINCIDE WITH MAJOR MESOZOIC TRANSFORM FAULTS IN NORTHERN ALASKA (Invited Presentation)
ROESKE, Sarah M., Department of Earth and Planetary Sciences, University of California, Davis, Davis, CA 95616, TILL, Alison B., USGS, 4210 University Dr, Anchorage, AK 99508, MILLER, Meghan S., Research School of Earth Sciences, Australian National University, Building 142 Mills Road, Acton ACT, Canberra, 2601, Australia, SALTUS, Richard W., Cooperative Institute for Research in Environmental Sciences and NOAA's National Centers for Environmental Information, University of Colorado, Boulder, CO 80305 and MCCLELLAND, William C., Department of Earth and Environmental Sciences, University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52242, smroeske@ucdavis.edu
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