Session No. 106 Monday, October 28, 2002

1:30 PM-5:30 PM, Colorado Convention Center: C205
T91. A-Type Plutons and Convergent Margins: Orogenic Links to Anorogenic Magmatism?
W. R. Van Schmus, O. Tapani Rämö and Jorge S. Bettencourt, Presiding
 Paper #Start Time
106-11:30 PM ND ISOTOPIC CONSTRAINTS ON THE ORIGIN OF POST-OROGENIC A-TYPE GRANITES OF THE ARABIAN SHIELD, KINGDOM OF SAUDI ARABIA: FROST, Carol D.1, HAGER, Stacey1, and STUCKLESS, John S.2, (1) Department of Geology and Geophysics, Univ of Wyoming, Laramie, WY 82071-3006, Stace2424@aol.com, (2) 7854 S Armadillo Trl, Evergreen, CO 80439-6212
106-21:45 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, eastonrm@vianet.on.ca and KETCHUM, John W.F., J. Satterly Geochronology Laboratory, Royal Ontario Museum, 100 Queen's Park, Toronro, ON M5S 2C6, Canada
106-32:00 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, ernie.d@nau.edu and CHAMBERLAIN, Kevin R., Geology and Geophysics, University of Wyoming, Laramie, WY 82071
106-42:15 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, chris@geo.utep.edu, SIDDOWAY, Christine, Department of Geology, Colorado College, Colorado Springs, CO 80903, and CARRICK, Tina L., 413 Bedford Rd, El Paso, TX 79922-1203
106-52:30 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, ginger@gis.nmt.edu, (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
106-62:45 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, dholm@kent.edu, SCHNEIDER, David, Geological Sciences, Ohio Univ, Athens, OH 45701, and VAN SCHMUS, W.R., Geology, Univ of Kansas, Lawrence, KS 55045
106-73:00 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, tapani.ramo@helsinki.fi, (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

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