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GSA 2020 Connects Online

Session No. 48
Tuesday, 27 October 2020: 10:00 AM-12:00 PM

T30. Assembling Laurentia: Neoarchean Crust Formation and Cratonization

Mineralogical Society of America; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Geophysics and Geodynamics Division; GSA Sedimentary Geology Division; GSA Structural Geology and Tectonics Division

 

Ben M. Frieman, Carol D. Frost and Paul A. Mueller, Advocates
Paper #
Start Time
48-1
10:00 AM
THE NEORCHEAN RECORD OF THE CANADIAN PRECAMBRIAN SHIELD: NEW PERSPECTIVES FROM THE CRUST AND LITHOSPHERE
PEHRSSON, Sally1, PERCIVAL, John1, EGLINGTON, Bruce2, BERMAN, Robert3 and REGIS, Daniele3, (1)Geological Survey of Canada, 601 Rue Booth Street, Ottawa, ON K1A 0E8, Canada, (2)Saskatchewan Isotope Laboratory, University of Saskatchewan, 114 Science Place, Saskatoon, SK K1Y 3L5, Canada, (3)Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada
48-2
10:15 AM
GEOPHYSICAL MAPPING OF THE ARCHEAN BENEATH THE NORTH AMERICAN CENTRAL PLAINS (Invited Presentation)
BEDROSIAN, Paul A., USGS, Geology, Geophysics, and Geochemistry Science Center, Denver, CO 80225 and FINN, Carol A., U.S. Geological Survey, Box 25046, M.S. 964, Denver Federal Center, Denver, CO 80225-0046
48-3
10:30 AM
THE FORMATION OF THE SOUTH-EAST SUPERIOR CRATON BY TWO DISTINCT MECHANISMS
MOLE, David R.1, THURSTON, Phillips C.2, MARSH, Jeffrey H.3, STERN, Richard A.4, AYER, John A1, MARTIN, Laure5 and LU, Yongjun6, (1)Mineral Exploration Research Centre, Laurentian University, 935 Ramsey Lake Rd,, SUDBURY, ON P3E 2C6, Canada, (2)Department of Earth Sciences, Laurentian University, Sudbury, ON P3E 2C6, Canada, (3)Université du Québec à Chicoutimi, 555, boulevard de l'Université, Chicoutimi, QC G7H2B1, Canada, (4)Canadian Centre for Isotopic Microanalysis, University of Alberta, 1-26 Earth Sciences Building, University of Alberta, Edmonton, AB T6G 2E3, Canada, (5)The University of Western Australia, Perth, WA, Australia, (6)Geological Survey of Western Australia, Perth, WA, Australia
48-4
10:45 AM
HADEAN TO NEOARCHEAN CRUSTAL EVOLUTION IN A SINGLE SAMPLE OF THE CEDAR LAKE GNEISS, WESTERN SUPERIOR PROVINCE, CANADA
STRONG, J.W.D.1, CAWOOD, P.1, CRUDEN, A.R.1, NEBEL, O.1 and DICKIN, A.P.2, (1)School of Earth, Atmosphere & Environment, Monash University, Clayton, VIC 3800, Australia, (2)School of Geography & Earth Sciences, McMaster University, Hamilton, ON L8S 4M1, Canada
48-5
11:00 AM
CRUSTAL ARCHITECTURE AND PROCESSES IN THE NEOARCHEAN: AN INTEGRATED GEOPHYSICAL-GEOLOGIC CASE STUDY IN THE WESTERN SUPERIOR CRATON, CANADA
MA, Chong1, NAGHIZADEH, Mostafa1, ADETUNJI, Ademola1, VAYAVUR, Rajesh1, LODGE, Robert2, SNYDER, David1 and SHERLOCK, Ross1, (1)Harquail School of Earth Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, ON P3E 2C6, Canada, (2)Department of Geology, University of Wisconsin-Eau Claire, Phillips Science Hall, PO Box 4004, Eau Claire, WI 54702-4004
48-6
11:15 AM
STRUCTURE AND EVOLUTION OF A NEOARCHEAN CRUST REVEALED BY SEISMIC REFLECTION AND IGNEOUS PETROLOGY: THE EXAMPLE OF THE CHIBOUGAMAU AREA, ABITIBI GREENSTONE BELT
MATHIEU, Lucie1, SNYDER, David B.2, BEDEAUX, Pierre3, CHERAGI, Saeid2, LAFRANCE, Bruno4, THURSTON, Phillips C.5 and SHERLOCK, Ross6, (1)UQAC, 555 boulevard de l'université, Chicoutimi, QC G7H2B1, Canada; Centre d'Études sur les Ressources Minérales, Université du Québec à Chicoutimi, 555, boulevard de l'Université, Chicoutimi, QC G7H2B1, Canada, (2)Laurentian University, Sudbury, ON P3E2C6, Canada; Mineral Research Exploration Centre, Harquail School of Earth Sciences, Laurentian University, 935 Ramsey Lake Road, Willett Green Miller Center, Sudbury, ON P3E 2C6, Canada, (3)Centre d'Études sur les Ressources Minérales, Université du Québec à Chicoutimi, 555, boulevard de l'Université, Chicoutimi, QC G7H2B1, Canada, (4)Mineral Exploration Research Centre, Department of Earth Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, ON P3E 2C6, Canada, (5)Department of Earth Sciences, Laurentian University, Sudbury, ON P3E 2C6, Canada, (6)Harquail School of Earth Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, ON P3E 2C6, Canada
48-7
11:30 AM
REGIONAL-SCALE STRUCTURAL ARCHITECTURE OF A NEOARCHEAN FAULT USING COMBINATION OF FIELD OBSERVATIONS AND SEISMIC REFLECTION IMAGERY: EXAMPLE OF THE BARLOW FAULT ZONE, ABITIBI SUBPROVINCE, CANADA
BEDEAUX, Pierre1, GABOURY, Damien2, MATHIEU, Lucie1 and DAIGNEAULT, Réal1, (1)Centre d'Études sur les Ressources Minérales, Université du Québec à Chicoutimi, 555, boulevard de l'Université, Chicoutimi, QC G7H2B1, Canada, (2)Centre d'Études sur les Ressources Minérales, Université du Québec à Chicoutimi, 555, boul. de l'Université, Chicoutimi, QC G7H2B1, Canada
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