Session No. 124
Monday, 28 October 2013: 8:00 AM-12:00 PM
Room 304 (Colorado Convention Center)

T256. Proterozoic Meets Archean: Amalgamation of Laurentia

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

 

Paul A. Mueller, M.E. Bickford, Daniel K. Holm and David Corrigan, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
1
8:05 AM
LAURENTIA—CRATONS AND ENSIALIC BASINS, BUT NO PLATE TECTONICS
HAMILTON, Warren B., Department of Geophysics, Colorado School of Mines, Golden, CO 80401, whamilto@mines.edu
2
8:20 AM
LINKING DEEP AND SHALLOW STRUCTURE: LATERAL HETEROGENEITY AND VERTICAL STRATIFICATION OF CRATONIC LITHOSPHERIC KEELS
ARTEMIEVA, Irina M., Geological Section, I.G.N, University of Copenhagen, Oester Voldgade 10, Copenhagen, DK-1350, Denmark, irina@geo.ku.dk
3
8:40 AM
ISOTOPIC AND GEOPHYSICAL PERSPECTIVES ON DEEP MANTLE PROCESSES FOR CONSTRUCTING CRATONS
SHIREY, Steven B., Department of Terrestrial Magnetism, Carnegie Institution of Washington, 5241 Broad Branch Road, NW, Washington, DC 20015 and CARLSON, Richard W., Department of Terrestrial Magnetism, Carnegie Institution of Washington, 5241 Broad Branch Road, NW, Washington, DC, DC 20015-1305, sshirey@carnegiescience.edu
4
9:00 AM
PERSISTENCE OF ARCHEAN LITHOSPHERE: CLUES FROM THE TRANS-HUDSON OROGEN IN CANADA
CORRIGAN, David, Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada, dcorriga@NRCan.gc.ca
5
9:15 AM
THE PALEOPROTEROZOIC EVOLUTION OF THE ATHABASCA GRANULITE TERRANE (SNOWBIRD TECTONIC ZONE), WESTERN CHURCHILL PROVINCE, CANADA: DEFORMATION DUE TO FAR-FIELD OROGENIC PROCESSES
REGAN, Sean P., Department of Geosciences, University of Massachusetts, Amherst, 611 N Pleasant St, Amherst, MA 01003, WILLIAMS, M.L., Department of Geosciences, University of Massachusetts, Amherst, 611 N Pleasant ST, Amherst, MA 01003, MAHAN, K.H., Geological Sciences, University of Colorado, 2200 Colorado Ave, Boulder, CO 80309, JERCINOVIC, M.J., Department of Geosciences, Univ of Massachusetts, Dept of Geosciences, 611 North Pleasant st, Amherst, MA 01003, ORLANDINI, Omero F., Geological Sciences, University of Colorado, Boulder, University of Colorado Boulder Geological Sciences UCB 399 2200 Colorado Ave, Boulder, CO 80309-0399, LESLIE, S., Geological Sciences, University of Colorado, Boulder, 2200 Colorado Ave, Boulder, CO 80309-0399 and HOLLAND, Mark Edward, Department of Earth and Planetary Sciences, University of New Mexico, 221 Yale Blvd NE, Albuquerque, NM 87106, sregan@geo.umass.edu
6
9:30 AM
GEOLOGICAL, AGE, AND GEOCHEMICAL CONSTRAINTS ON THE EVOLUTION OF THE NORTHEASTERN PALEOPROTEROZOIC TRANS-HUDSON OROGEN FROM THE SOUTHERN HALL PENINSULA, BAFFIN ISLAND, CANADA
MACKAY, Cameron B.1, ANSDELL, Kevin M.1, ST-ONGE, M.R.2, RAYNER, Nicole M.2 and MATE, David3, (1)Department of Geological Sciences, University of Saskatchewan, 114 Science Place, Saskatoon, SK S7N 5E2, Canada, (2)Geological Survey of Canada, Ottawa, ON K1A 0E9, Canada, (3)Canada-Nunavut Geoscience Office, Iqaluit, X0A 0H0, Canada, cbm010@mail.usask.ca
7
9:45 AM
ORIGIN OF 1700-1800 MA ROCKS IN THE CENTRAL YAVAPAI AND PENOKEAN PROVINCES: INSIGHTS FROM ZIRCON HF ISOTOPE DATA
HOLM, Daniel K.1, HULL, Angela1, VERVOORT, Jeff2 and SCHNEIDER, D.A.3, (1)Department of Geology, Kent State University, Kent, OH 44242, (2)School of the Environment, Washington State University, Pullman, WA 99164, (3)Department of Earth Sciences, University of Ottawa, Ottawa, ON K1N 6N5, Canada, dholm@kent.edu
 
10:00 AM
Break
8
10:15 AM
LATE ARCHEAN TO PALEOPROTEROZOIC EVOLUTION OF THE MONTANA METASEDIMENTARY SUBPROVINCE AND ITS IMPLICATIONS FOR THE GROWTH AND AMALGAMATION OF THE WYOMING PROVINCE
HARMS, Tekla A.1, CHENEY, John T.1, BRADY, John B.2 and HAMES, Willis E.3, (1)Department of Geology, Amherst College, Amherst, MA 01002, (2)Department of Geosciences, Smith College, Northampton, MA 01063, (3)Department of Geology and Geography, Auburn University, 210 Petrie Hall, Auburn, AL 36849, taharms@amherst.edu
9
10:35 AM
NEW EVIDENCE FOR AN EXHUMED CRUSTAL SECTION FROM THE PALEOPROTEROZOIC BIG SKY OROGENY, N. MADISON RANGE, SW MONTANA
CONDIT, Cailey B., Geological Sciences, University of Colorado-Boulder, Campus Box 399, 2200 Colorado Ave, Boulder, CO 80309, MAHAN, K.H., Geological Sciences, University of Colorado, 2200 Colorado Ave, Boulder, CO 80309, AULT, Alexis K., Department of Geosciences, University of Arizona, 1040 E. 4th St, Tucson, AZ 85721 and FLOWERS, Rebecca, Department of Geological Sciences, University of Colorado, Campus Box 399, 2200 Colorado Ave, Boulder, CO 80309, cailey.condit@colorado.edu
10
10:50 AM
PRECAMBRIAN CRYSTALLINE BASEMENT ROCKS OF NORTHWEST LAURENTIA: CONSTRAINING THE FORMATION AND EVOLUTION OF NORTH AMERICA
FISHER, Christopher1, VERVOORT, Jeff1, JANSEN, Andrew C.2, LEWIS, Reed S.3, GASCHNIG, Richard M.4 and GOODGE, John W.5, (1)School of the Environment, Washington State University, Pullman, WA 99164, (2)Newmont Mining Corporation, Twin Creeks Operations, Golconda, NV 89414, (3)Idaho Geological Survey, University of Idaho, 875 Perimeter Drive MS3014, Moscow, ID 83844-3014, (4)Department of Geology, University of Maryland, College Park, MD 20742, (5)Department of Geological Sciences, University of Minnesota, Duluth, MN 55812, chris.fisher@wsu.edu
11
11:05 AM
USING PAIRED U-PB AND HF ISOTOPES TO CHARACTERIZE THE CRUSTAL EVOLUTION OF THE MOJAVE PROVINCE: COMPARISON OF IGNEOUS AND METASEDIMENTARY LITHOLOGIES IN GRAND CANYON AND DEATH VALLEY
HOLLAND, Mark Edward, Department of Earth and Planetary Sciences, University of New Mexico, 221 Yale Blvd NE, Albuquerque, NM 87106, KARLSTROM, Karl E., Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131, DOE, Michael F., Department of Geology and Geologic Engineering, Colorado School of Mines, Golden, CO 80401, GEHRELS, George, Dept. of Geosciences, University of Arizona, Tucson, AZ 85721, PECHA, Mark, Department of Geosciences, University of Arizona, Tucson, AZ 85721 and SHUFELDT, Owen P., Rio Tinto Iron Ore, 152-158 St George's Terrace, Perth, 6000, Australia, medwardholland89@gmail.com
12
11:20 AM
THE FARMINGTON CANYON COMPLEX, UTAH: AN OBDUCTION MELANGE ON THE MARGIN OF THE WYOMING PROVINCE
SHERVAIS, John W., Department of Geology, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505, ANDREASEN, Kyle, Utah State University, Logan, UT 84322, BUCHWALDT, Robert, Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139 and HANAN, Barry B., Geological Sciences, San Diego State University, San Diego, CA 92182-1020, john.shervais@usu.edu
 
11:50 AM
Discussion
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