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2002 Denver Annual Meeting (October 27-30, 2002)

Session No. 106
Monday, 28 October 2002: 1:30 PM-5:30 PM

T91. A-Type Plutons and Convergent Margins: Orogenic Links to Anorogenic Magmatism?

International Geologic Correlation Program Project 426: Granite Systems and Proterozoic Lithospheric Processes

 

W. R. Van Schmus, O. Tapani Rämö and Jorge S. Bettencourt, Advocates
Paper #
Start Time
1
1:30 PM
ND ISOTOPIC CONSTRAINTS ON THE ORIGIN OF POST-OROGENIC A-TYPE GRANITES OF THE ARABIAN SHIELD, KINGDOM OF SAUDI ARABIA
FROST, Carol D., Department of Geology and Geophysics, University of Wyoming, Laramie, WY 82071-3006, HAGER, Stacey, Department of Geology and Geophysics, Univ of Wyoming, Laramie, WY 82071-3006 and STUCKLESS, John S., 7854 S Armadillo Trl, Evergreen, CO 80439-6212, Stace2424@aol.com, Stace2424@aol.com
2
1:45 PM
EVIDENCE FOR A MAJOR MESOPROTEROZOIC MAGMATIC PROVINCE WITHIN THE WESTERN GRENVILLE PROVINCE NEAR NORTH BAY, ONTARIO
EASTON, R. Michael, Precambrian Geoscience Section, Ontario Geol Survey, 7th Floor, 933 Ramsey Lake Road, Sudbury, ON P3E6B5, Canada and KETCHUM, John W.F., J. Satterly Geochronology Laboratory, Royal Ontario Museum, 100 Queen's Park, Toronro, ON M5S 2C6, Canada, eastonrm@vianet.on.ca, eastonrm@vianet.on.ca
3
2:00 PM
THE CHEYENNE BELT IN THE SIERRA MADRE, WYOMING, IS NOT THE CHEYENNE BELT: IT IS A CA. 1.4 GA THRUST-TEAR FAULT SYSTEM
DUEBENDORFER, Ernest M., Department of Geology, Northern Arizona Univ, Flagstaff, AZ 86011 and CHAMBERLAIN, Kevin R., Geology and Geophysics, University of Wyoming, Laramie, WY 82071, ernie.d@nau.edu, ernie.d@nau.edu
4
2:15 PM
RECONCILING "ANOROGENIC" PLUTONISM WITH REGIONAL CONVERGENCE AT ~1.4 GA: TRANSCURRENT TECTONICS IN SOUTHERN LAURENTIA
ANDRONICOS, Chris L., Department of Geological Sciences, Univ of Texas at El Paso, 500 W. University Ave, El Paso, TX 79968, SIDDOWAY, Christine, Department of Geology, Colorado College, Colorado Springs, CO 80903 and CARRICK, Tina L., 413 Bedford Rd, El Paso, TX 79922-1203, chris@geo.utep.edu, chris@geo.utep.edu
5
2:30 PM
GEOCHEMISTRY AND GEOCHRONOLOGY OF PROTEROZOIC COMINGLED JACK CREEK RAPAKIVI GRANITE AND MINETTE IN THE NORTHERN BURRO MOUNTAINS, GRANT COUNTY, NEW MEXICO
MCLEMORE, Virginia T.1, RÄMÖ, O. Tapani2, HAMILTON, Michael A.3, KOSUNEN, Paula J.4 and HEIZLER, Matt1, (1)New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, 801 Leroy Pl, Socorro, NM 87801, (2)Geology Dept, Univ. of Helsinki, P.O. Box 64, Helsinki, FIN-00014, Finland, (3)Geol Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada, (4)Geology Dept, Univ of Helsinki, P.O. Box 64, Helsinki, FIN-00014, Finland, ginger@gis.nmt.edu, ginger@gis.nmt.edu
6
2:45 PM
LATE PALEOPROTEROZOIC (1900-1600 MA) TECTONIC HISTORY PROPOSED FOR THE SOUTHERN LAKE SUPERIOR REGION, USA
HOLM, Daniel K., Geology, Kent State Univ, Kent, OH 44242, SCHNEIDER, David, Geological Sciences, Ohio Univ, Athens, OH 45701 and VAN SCHMUS, W.R., Geology, Univ of Kansas, Lawrence, KS 55045, dholm@kent.edu, dholm@kent.edu
7
3:00 PM
1.83 GA LATE-OROGENIC GRANITES OF SOUTHERN FINLAND: A LINK BETWEEN OROGENIC AND ANOROGENIC MAGMATISM IN THE FENNOSCANDIAN SHIELD
RÄMÖ, O. Tapani1, NIRONEN, Mikko2, VAASJOKI, Matti2 and KURHILA, Matti3, (1)Department of Geology, Univ of Helsinki, P.O. Box 64, Kumpula, Physicum, Helsinki, FIN-00014, Finland, (2)Geological Survey of Finland, P.O. Box 96, Espoo, FIN-01251, Finland, (3)Department of Geology, Univ of Helsinki, P.O. Box 96, Kumpula, Physicum, Helsinki, FIN-00014, Finland, tapani.ramo@helsinki.fi, tapani.ramo@helsinki.fi
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