GSA Annual Meeting in Denver, Colorado, USA - 2016

Session No. 230
Tuesday, 27 September 2016: 1:30 PM-5:30 PM
Mile High Ballroom 3B (Colorado Convention Center)

T222. Proterozoic Accretion of the North American Continent – United Plates of America Revisited II

GSA Structural Geology and Tectonics Division
M.L. Williams, David Corrigan, Jeffrey Amato and Deanne van Rooyen, Advocates
 
1:30 PM
Introductory Remarks
1:45 PM
EVIDENCE FOR NEOARCHEAN TO PROTEROZOIC CRUSTAL FORMATION AND MODIFICATION IN THE NORTHERN U.S. CORDILLERA
VERVOORT, Jeff D.1, FISHER, Christopher M.2, LEWIS, Reed S.3, BALDWIN, Julia A.4, WANG, Da5, JANSEN, Andrew C.6, NESHEIM, Timothy O.7, ZIRAKPARVAR, N. Alex8, MCDONIE, Clay5 and GASCHNIG, Richard M.9, (1)School of the Environment, Washington State University, P.O. Box 642812, Pullman, WA 99164, (2)Department of Earth & Atmospheric Sciences, University of Alberta, 1-26 Earth Sciences Building, Edmonton, AB T6G 2E3, Canada, (3)Idaho Geological Survey, 875 Perimeter Dr MS3014, Moscow, ID 83844-3014, (4)Department of Geosciences, University of Montana, Missoula, MT 59812, (5)School of the Environment, Washington State University, Pullman, WA 99164, (6)Newmont Mining Corporation, Twin Creeks Operations, Golconda, NV 89414, (7)North Dakota Geological Survey, Bismarck, ND 58501, (8)American Museum of Natural History, Department of Earth and Planetary Science, Central Park West at 79th St, New York, NY 10024, (9)Department of Environmental, Earth and Atmospheric Sciences, University of Massachusetts Lowell, Lowell, MA 01852, vervoort@wsu.edu
2:00 PM
U-PB AND LU-HF GEOCHRONOLOGIC CONSTRAINTS ON THE PROTEROZOIC EVOLUTION OF THE RUBY RANGE, MONTANA
BALDWIN, Julia A., Dept. of Geosciences, University of Montana, 32 Campus Dr #1296, Missoula, MT 59812-1296, HARMS, Tekla A., Department of Geology, Amherst College, Amherst, MA 01002, BAKER, Peter L., School of the Environment, Washington State University, Pullman, WA 99164 and VERVOORT, Jeffrey, School of the Environment, Washington State University, Webster Physical Science Building 1228, Pullman, WA 99164, jbaldwin@mso.umt.edu
2:15 PM
TECTONIC EVOLUTION OF THE BLACK HILLS, SOUTH DAKOTA FROM NEW U-PB AND HF ANALYSES OF IGNEOUS AND DETRITAL ZIRCON
HRNCIR, Jeffrey, Earth and Planetary Sciences, University of New Mexico, 221 Yale Blvd NE, Northrup Hall, Albuquerque, NM 87131 and KARLSTROM, Karl E., Department of Earth and Planetary Sciences, University of New Mexico, Northrop Hall, 221 Yale Blvd NE, University of New Mexico, Albuquerque, NM 87131, jeffhrncir@unm.edu
2:30 PM
PROTEROZOIC ACCRETIONARY OROGENS OF SOUTHERN LAURENTIA REVISITED (Invited Presentation)
KARLSTROM, Karl E.1, WILLIAMS, Michael L.2, HOLLAND, Mark Edward3, MULDER, Jacob1, GEHRELS, George E.4 and PECHA, Mark5, (1)Department of Earth and Planetary Sciences, University of New Mexico, Northrop Hall, 221 Yale Blvd NE, University of New Mexico, Albuquerque, NM 87131, (2)Department of Geosciences, University of Massachusetts, Amherst, 611 North Pleasant Street, Amherst, MA 01003, (3)Department of Earth and Planetary Sciences, University of New Mexico, 221 Yale Blvd NE, Albuquerque, NM 87131, (4)Department of Geosciences, Univ of Arizona, Tucson, AZ 85721, (5)Department of Geosciences, University of Arizona, Tucson, AZ 85721, kek1@unm.edu
2:45 PM
PROTEROZOIC ASSEMBLY SIGNATURE AND ITS OVERPRINT IN LOWER CRUSTAL SEISMIC VELOCITY STRUCTURE ACROSS NORTH AMERICA
SCHULTE-PELKUM, Vera, Geological Sciences and CIRES, University of Colorado-Boulder, 2200 Colorado Ave, Boulder, CO 80309, MAHAN, Kevin H., Department of Geological Sciences, University of Colorado at Boulder, 2200 Colorado Ave, Boulder, CO 80309-0399, SHEN, Weisen, Department of Earth and Planetary Sciences, Washington University, St Louis, MO 63112 and STACHNIK, Josh, Earth and Environmental Sciences, Lehigh University, 1 West Packer Ave, Bethlehem, PA 18015, vera.schulte@gmail.com
 
3:00 PM
Break
3:15 PM
MESOPROTEROZOIC FORMATION OF THE SOUTHERN MARGIN OF NORTH AMERICA VIEWED FROM THE PERSPECTIVE OF DETRITAL AND MINERAL GROWTH AGES (Invited Presentation)
ANDRONICOS, Christopher L., Earth, Atmospheric, and Planetary Sciences, Purdue University, 550 Stadium Mall Drive, West Lafayette, IN 47907, ARONOFF, Ruth F., Earth, Atmospheric, and Planetary Sciences Dept, Purdue University, West Lafayette, IN 47907, DANIEL, Christopher G., Geology and Env. Geosciences, Bucknell University, 1 Dent Drive, Lewisburg, PA 17837, DOE, Michael F., Department of Geology and Geological Engineering, Colorado School of Mines, Golden, CO 80401, HUNTER, Robert, Royal Dutch Shell, Houston, TX 77007, JONES III, James V., Geological Survey of Canada, 1500 - 605 Robson Street, Vancouver, BC V6B5J3, Canada and VERVOORT, Jeff D., School of the Environment, Washington State University, P.O. Box 642812, Pullman, WA 99164, candroni@purdue.edu
3:30 PM
DETRITAL ZIRCON POPULATIONS FROM PALEOPROTEROZOIC AND MESOPROTEROZOIC ROCKS IN ARIZONA AND NEW MEXICO: RAISING QUESTIONS ABOUT THE NATURE AND DEFINITION OF THE CA. 1.65-1.60 GA MAZATZAL AND CA. 1.45-1.36 GA PICURIS OROGENIES
DANIEL, Christopher G., Geology and Env. Geosciences, Bucknell University, 1 Dent Drive, Lewisburg, PA 17837, DOE, Michael F., Department of Geology and Geological Engineering, Colorado School of Mines, Golden, CO 80401, NAGOTKO, Kimberly, Geology, Bucknell University, 27 Furman Court, Mahwah, NJ 07430 and JONES III, James V., Geological Survey of Canada, 1500 - 605 Robson Street, Vancouver, BC V6B5J3, Canada, cdaniel@bucknell.edu
3:45 PM
THE NATURE OF THE MAZATZAL OROGENY IN SOUTHWESTERN NORTH AMERICA: NEW DATA AND PERSISTENT QUESTIONS
WILLIAMS, Michael L., Department of Geosciences, Univ of Massachusetts, Amherst, MA 01003, KARLSTROM, Karl E., Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131, MAKO, Calvin A., Geosciences, Virginia Tech, Blacksburg, VA 24061 and HOLLAND, Mark E., Department of Earth and Planetary Sciences, University of New Mexico, 221 Yale Blvd NE, Albuquerque, NM 87131, mlw@geo.umass.edu
4:00 PM
THE MAZATZAL PROVINCE IN SOUTHERN NEW MEXICO: U-PB DATING OF PALEOPROTEROZOIC ROCKS TO ASSESS MAGMATISM, DEPOSITION, METAMORPHISM, AND DEFORMATION
AMATO, Jeffrey M., Department of Geological Sciences, New Mexico State University, P.O. Box 30001, Las Cruces, NM 88003, OTTENFELD, Chelsea, Geological Sciences, New Mexico State University, P.O. Box 30001/MSC 3AB, Las Cruces, NM 88003 and HEIZLER, Matthew T., New Mexico Bureau of Geology & Mineral Resources, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801, amato@nmsu.edu
4:15 PM
ASSEMBLY OF PROTEROZOIC LAURENTIA IN A GLOBAL CONTEXT AND INTERACTIONS WITH ITS NEIGHBOURS
EGLINGTON, B.M., Geological Sciences, University of Saskatchewan, 114 Science Place, Saskatoon, SK S7N 5E2, Canada, EVANS, David A.D., Department of Geology and Geophysics, Yale University, 210 Whitney Avenue, New Haven, CT 06520 and PEHRSSON, Sally, Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada, bruce.eglington@usask.ca
4:30 PM
GROWTH AND EVOLUTION OF SOUTHERN LAURENTIA IN THE CONTEXT OF THE NUNA SUPERCONTINENT: PALEOPROTEROZOIC CONNECTIONS BETWEEN AUSTRALIA/ANTARCTICA (MAWSON) AND LAURENTIA
HOLLAND, Mark Edward1, KARLSTROM, Karl E.2, MULDER, Jacob2, GEHRELS, George E.3 and PECHA, Mark4, (1)Department of Earth and Planetary Sciences, University of New Mexico, 221 Yale Blvd NE, Albuquerque, NM 87131, (2)Department of Earth and Planetary Sciences, University of New Mexico, Northrop Hall, 221 Yale Blvd NE, University of New Mexico, Albuquerque, NM 87131, (3)Department of Geosciences, Univ of Arizona, Tucson, AZ 85721, (4)Department of Geosciences, University of Arizona, Tucson, AZ 85721, medwardholland89@gmail.com
4:45 PM
AUSTRALIA-LAURENTIA RELATIONS IN THE LATE PALEOPROTEROZOIC TO MESOPROTEROZOIC: A WILSON CYCLE FOLLOWED BY SINISTRAL TRANSLATION
THORKELSON, Derek1, FURLANETTO, Francesca2, MEDIG, Kirsti P.R.1, VERBAAS, Jaap1 and RAINBIRD, Robert3, (1)Earth Sciences, Simon Fraser University, Burnaby, BC V5A 1S6, Canada, (2)Earth Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada, (3)Natural Resources Canada, Geological Survey of Canada, 601 Booth Street, Room 499, Ottawa, ON K1A 0E8, Canada, dthorkel@sfu.ca
 
5:00 PM
Discussion
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