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Rocky Mountain (63rd Annual) and Cordilleran (107th Annual) Joint Meeting (18–20 May 2011)

Session No. 23
Thursday, 19 May 2011: 1:30 PM-5:00 PM
Juniper (Riverwoods Conference Center)

T5. Assembling North America: Precambrian Basement Tectonic and Geochemical Evolution of Laurentia

 

David A. Foster, Darrell J. Henry, David W. Mogk and Paul A. Mueller, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1
1:35 PM
WAS THE CHEYENNE BELT ONCE A TRANSFORM MARGIN?: IMPLICATIONS OF DETRITAL ZIRCON AGES FROM THE GREEN MOUNTAIN ARC AND BARBER LAKE BLOCK, SOUTHERN WYOMING
JONES, Daniel S., Dept. of Geosciences, Western Carolina University, Cullowhee, NC 28723, dsjones@wcu.edu, dsjones@wcu.edu
2
1:55 PM
GEOCHEMISTRY AND GEOCHRONOLOGY OF MID- TO LOWER CRUSTAL GRANITIC XENOLITHS FROM THE GREAT FALLS TECTONIC ZONE
GIFFORD, Jennifer N., Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611, FOSTER, David A., Department of Geological Sciences, University of Florida, PO Box 112120, Gainesville, FL 32611-2120, MUELLER, Paul A., Department of Geological Sciences, University of Florida, Gainesville, FL 32611 and MOGK, David W., Dept. of Earth Sciences, Montana State University, Bozeman, MT 59717, giff4088@ufl.edu, giff4088@ufl.edu
3
2:15 PM
PROVENANCE OF MESOPROTEROZOIC SEDIMENTARY ROCKS IN THE SOUTHWESTERN UNITED STATES: EVIDENCE FROM DETRITAL MICA (40AR/39AR) AND ZIRCON (U-PB) GEOCHRONOLOGY FOR THE NATURE OF THE GRENVILLIAN FORELAND BASIN AND SUPERCONTIENT CONNECTIONS
KARLSTROM, Karl E.1, FLETCHER, Kathryn E.K.2, HEIZLER, Matthew3, GEHRELS, G.E.4, TIMMONS, J. Michael5, CROSSEY, Laura J.6, CONDIE, Kent C.7, PECHA, Mark4, JONES III, James V.8 and DOE, Michael F.9, (1)Department of Earth and Planetary Science, Univ of New Mexico, Northrop Hall, Albuquerque, NM 87131, (2)Earth and Planetary Science, University of California, Berkeley, 304 McCone Hall, Berkeley, CA 94720, (3)New Mexico Geochronology Research Laboratory, New Mexico Bureau of Mines & Mineral Resources, 801 Leroy Place, New Mexico Tech, Socorro, NM 87801-4796, (4)Department of Geosciences, University of Arizona, Tucson, AZ 85721, (5)New Mexico Bureau of Geology and Mineral Resources, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801, (6)Earth and Planetary Science, University of New Mexico, Albuquerque, NM 87131, (7)Department of Earth & Environmental Science, New Mexico Tech, Socorro, NM 87801, (8)Department of Earth Sciences, University of Arkansas at Little Rock, 2801 S. University, Little Rock, AR 72204, (9)Department of Geology and Geological Engineering, Colorado School of Mines, Golden, CO 80401, kek@unm.edu, kek@unm.edu
4
2:35 PM
EXOTIC PROVENANCE FOR THE PROTEROZOIC HESS CANYON GROUP, ARIZONA, USA: IMPLICATIONS FOR BASIN EVOLUTION AND CA. 1.4 GA CONTINENT CONFIGURATIONS
JONES III, James V., Department of Earth Sciences, University of Arkansas at Little Rock, 2801 S. University, Little Rock, AR 72204, DOE, Michael F., Department of Geology and Geological Engineering, Colorado School of Mines, Golden, CO 80401, KARLSTROM, Karl E., Earth and Planetary Science, University of New Mexico, Albuquerque, NM 87131 and THRANE, Kristine, Geological Survey of Denmark and Greenland (GEUS), Øster Voldgade 10, Copenhagen K, DK-1350, Denmark, jvjones@ualr.edu, jvjones@ualr.edu
 
2:55 PM
Break
5
3:10 PM
GEOCHEMISTRY AND GEOLOGIC RELATIONS OF META-BASALTS AND META-KOMATIITES OF THE FARMINGTON CANYON COMPLEX, WASATCH MOUNTAINS, UTAH
ANDREASEN, Kyle, Utah State University, Logan, UT 84322, SHERVAIS, John, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505 and BUCHWALDT, Robert, Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, Kyle.Andreasen@Newmont.com, Kyle.Andreasen@Newmont.com
6
3:30 PM
U-PB ZIRCON AGES OF PROTEROZOIC PLUTONS AND MIGMATITE, SANTA FE RANGE, NEW MEXICO: EVIDENCE OF MAFIC MAGMATISM AND SYN-KINEMATIC METAMORPHISM AT 1.4 GA
METCALF, Rodney V., Department of Geoscience, University of Nevada, Las Vegas, 4505 S. Maryland Parkway, Las Vegas, NV 89154-4010 and STROPKY, Michelle, Department of Geoscience, University of Nevada, Las Vegas, 4505 Maryland Parkway, 89154-4010, Las Vegas, NV 89154-4010, rod.metcalf@unlv.edu, rod.metcalf@unlv.edu
7
3:50 PM
HF-ISOTOPES OF IGNEOUS ZIRCON FROM CRETACEOUS BATHOLITHS REVEAL CA. 1.9 AND 1.5 GA MAFIC LOWER CRUST IN THE NORTHERN ROCKY MOUNTAINS
FOSTER, David A.1, MUELLER, Paul A.1, HEATHERINGTON, Ann2 and GIFFORD, Jennifer N.2, (1)Department of Geological Sciences, University of Florida, Gainesville, FL 32611, (2)Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611, dafoster@ufl.edu, dafoster@ufl.edu
8
4:10 PM
USING LU-HF ISOTOPES IN ZIRCONS FROM PALEOPROTEROZOIC BASEMENT OF UTAH: NEW CONSTRAINTS ON THE TECTONO-MAGMATIC EVOLUTION OF THE FARMINGTON CANYON AND SANTAQUIN METAMORPHIC COMPLEXES
SPENCER, Christopher J., Department of Geological Sciences, Brigham Young University, S-389 ESC, Provo, UT 84602, HARRIS, Ron, Geological Sciences, Brigham Young University, Provo, UT 84602 and NELSON, Steve, Geological Sciences, Brigham Young University, S-389 ESC, Provo, UT 84602, spenchristoph@gmail.com, spenchristoph@gmail.com
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