GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 290
Tuesday, 24 October 2017: 9:00 AM-6:30 PM
Halls 4EF (Washington State Convention Center)

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

GSA Structural Geology and Tectonics Division; Society of Economic Geologists; GSA Geophysics Division
Authors will be present from 9:30 to 11:30 AM and 4:30 to 6:30 PM.
472
LINKING DEEP CRUSTAL ARCHITECTURE TO MINERAL SYSTEMS
JOHNSON, Simon P.1, TYLER, Ian M.1, DENTITH, Michael C.2, KENNETT, Brian3, YUAN, Huaiyu4, FIELDING, Imogen O.H.5, KORHONEN, Fawna J.1, PIÑA-VARAS, Perla2, GESSNER, Klaus1, KORSCH, Russell J.6, MURDIE, Ruth E.1, BLEWETT, Richard S.6, HEINSON, Graham7, RASMUSSEN, Birger5 and HOUGH, Rob M.8, (1)Department of Mines, industry regulation, and safety, Geological Survey of Western Australia, Mineral House, 100 Plain Street, Perth, 6004, Australia, (2)The University of Western Australia, Centre for Exploration Targeting, 35 Stirling Highway, Crawley, Perth, Australia, (3)Research School of Earth Sciences, The Australian National University, Canberra, ACT 0200, Australia, (4)ARC Centre of Excellence for Core to Crust Fluid Systems, Macquarie University, New South Wales, Sydney, 2109, Australia, (5)Department of Applied Geology, Curtin University, Kent Street, Bentley, WA 6102, Australia, (6)Geoscience Australia, GPO Box 378, Canberra, 0200, Australia, (7)Geology and Geophysics, University of Adelaide, Mawson Laboratories, Adelaide, 5005, Australia, (8)Earth Science and Resource Engineering, CSIRO, 26 Dick Perry Avenue, Kensington Western Australia, Perth, 6151, Australia, simonpaul.johnson@dmirs.wa.gov.au
473
LINKING GOLD MINERALIZATION TO TECTONOTHERMAL EVENTS USING IN SITU XENOTIME U–PB GEOCHRONOLOGY
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
474
U-PB ANALYSIS OF DETRITAL ZIRCONS FROM MESOZOIC STRATA IN THE NORTHERN TALKEETNA MOUNTAINS, SOUTH-CENTRAL ALASKA
ROMERO, Mariah C., Earth, Atmospheric and Planetary Sciences, Purdue University, West Lafayette, IN 47907-2051; Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, 550 Stadium Mall Drive, West Lafayette, IN 47907 and RIDGWAY, Kenneth D., Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, 550 Stadium Mall Drive, West Lafayette, IN 47907, mariahc.romero@gmail.com
475
POLYPHASE STRUCTURAL EVOLUTION ALONG THE SOUTHERN CONTINUATION OF THE TEHAMA-COLUSA MÉLANGE, NORTHERN CALIFORNIA COAST RANGES
MELOSH, Benjamin L. and MCLAUGHLIN, Robert J., US Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, bmelosh@usgs.gov
476
USING GEOCHEMICAL SIGNATURES IN SEARCH FOR RELICS OF PRE-VARISCAN OCEANIC CRUST: THE LESZCZYNIEC UNIT, NORTHERN BOHEMIAN MASSIF, POLAND
MŁYNARSKA, Maria, Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology, Mickiewicza 30, Krakow, 30-059, Poland, MAZUR, Stanisław, Polish Academy of Science, ul. Senacka 1, Kraków, 31-002, Poland and MAJKA, Jaroslaw, Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology, Mickiewicza 30, Krakow, 30-059, Poland; Department of Earth Sciences, Uppsala University, Villavägen 16, Uppsala, SE-75236, Sweden, mkmlynarska@gmail.com
290-6
477
Withdrawn
478
A PRELIMINARY AEROMAGNETIC VIEW OF THE PORCUPINE RIVER REGION, NORTHEASTERN ALASKA
DRENTH, Benjamin J.1, JONES III, James V.2, EMOND, Abraham3 and KREINER, Douglas C.2, (1)U.S. Geological Survey, MS 964 Denver Federal Center, Denver, CO 80225, (2)U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, (3)Division of Geological & Geophysical Surveys, Department of Natural Resources, 3354 College Road, Fairbanks, AK 99709, bdrenth@usgs.gov
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