Session No. 4 Monday, April 23, 2001

8:00 AM-12:00 PM, Bone Student Center, Illinois State University: Circus Room
S3. Probing the Precambrian in the Midwest: Reconciling Geological, Geochemical and Geophysical Observations-I
James Walker and John McBride, Presiding
Start Time
8:00 AM A GEOPHYSICAL VIEW OF THE PRECAMBRIAN BASEMENT OF SOUTHERN WISCONSIN: CANNON, W. F., DANIELS, D. L., SNYDER, S. L., and NICHOLSON, S. W., USGS, MS 954, Reston, VA 20192, wcannon@usgs.gov
8:20 AM DO THERMAL HISTORIES REVEAL TIMING OF POST-OROGENIC CRATONIZATION?: LESSONS FROM TWO PALEOPROTEROZOIC OROGENS WITHIN THE NORTH AMERICAN CRATON: SCHNEIDER, D. A., Dept. of Earth Sciences, Syracuse Univ, Syracuse, NY 13244, daschn01@syr.edu and HOLM, D. K., Dept. of Geology, Kent State Univ, Kent, OH 44242, dholm@kent.edu,
8:40 AM PRECAMBRIAN TERRANES IN SOUTHERN WISCONSIN AND NORTHERN ILLINOIS: WHAT'S HIDING IN THE BASEMENT: GREENBERG, Jeffrey K., Wheaton College, 501 College Ave, Wheaton, IL 60187-5593, jeffrey.k.greenberg@wheaton.edu.
9:00 AM MAGNETIC AND MINERALOGICAL INVESTIGATIONS OF PHYLLITE LAYERS FROM THE BARABOO AREA, WI: KELLY, Colleen, Geoscienecs, Univ of Wisconsin-Milwaukee, P.O.Box 413, Milwaukee, WI 53201, colleenk@uwm.edu and KEAN, William F., Geosciences, Univ of Wisconsin-Milwaukee, P.O.Box 413, Milwaukee, WI 53201,
9:20 AM RECOGNITION OF WOLF RIVER-AGE METAMORPHISM IN THE BARABOO RANGE BY MEANS OF 40AR/39AR THERMOCHRONOLOGY: NAYMARK, Alissa A., SINGER, Brad S., and MEDARIS, L. Gordon Jr, Department of Geology and Geophysics, Univ of Wisconsin - Madison, 1215 West Dayton Street, Madison, WI 53706, anaymark@students.wisc.edu
9:40 AM CENTRAL PLAINS OROGEN - ACCRETIONARY CORE OF THE NORTH AMERICAN TRANSCONTINENTAL PROTEROZOIC PROVINCE: CARLSON, Marvin P. and TREVES, Samuel B., Nebraska Geol Survey, 113 Nebraska Hall, Lincoln, NE 68588-0517, mcarlson1@unl.edu
10:00 AM Break
10:20 AM PROTEROZOIC OROGENIC AND MAGMATIC DOMAINS IN THE MIDCONTINENT REGION, USA: GEOCHEMICAL VS GEOPHYSICAL EVIDENCE: VAN SCHMUS, W. R., Dept. of Geology, Univ. Kansas, Lawrence, KS 66045, rvschmus@ukans.edu and BICKFORD, M. E., Dept. of Earth Sciences, Syracuse Univ, Syracuse, NY 13244,
10:40 AM A "NEW" PRECAMBRIAN GEOLOGIC PROVINCE BENEATH THE ILLINOIS BASIN, USA: MCBRIDE, John H. and KOLATA, Dennis R., Illinois State Geological Survey, Univ of Illinois at Urbana-Champaign, 615 E. Peabody Dr, Champaign, IL 61820, mcbride@isgs.uiuc.edu
11:00 AM PALEOPROTEROZOIC AND MESOPROTEROZOIC DOMAINS WITHIN THE SOUTHERN GRANITE-RHYOLITE PROVINCE IDENTIFIED USING SM-ND ISOTOPIC METHODS: ROHS, C. R., Geology/Geography, Northwest Missouri State Univ, 800 University Dr, Maryville, MO 64468, rrohs@mail.nwmissouri.edu and VAN SCHMUS, W. R., Geology, Univ of Kansas, 120 Lindley Hall, Lawrence, KS 66045,
11:20 AM THE COMMERCE GEOPHYSICAL LINEAMENT AND ITS POSSIBLE RELATION TO PROTEROZOIC IGNEOUS COMPLEXES AND LARGE EARTHQUAKES IN THE CENTRAL ILLINOIS BASIN: HILDENBRAND, Thomas G., U.S. Geol Survey, Mail Stop 989, 345 Middlefield Road, Menlo Park, CA 94025, tom@usgs.gov, MCBRIDE, John H., Illinois State Geological Survey and Dept. of Geology, Univ. of Illinois at Urbana-Champaign, 615 E. Peabody Dr, Champaign, IL 61820, and RAVAT, Tiku, Department of Geology, Southern Illinois Univ, MS 4324, Carbondale, IL 62901,
11:40 AM MODELS FOR THE ORIGIN OF THE MESOPROTEROZOIC "GRANITE-RHYOLITE" PROVINCE: SHUSTER, Robert D., Univ Nebraska - Omaha, Dept Geography & Geology, Omaha, NE 68182-0199, Robert_Shuster@unomaha.edu.

Back to the North-Central Section - 35th Annual Meeting (April 23-24, 2001)