North-Central Section - 35th Annual Meeting (April 23-24, 2001)
Session No. 12 Monday, 23 April 2001
1:20 PM-4:40 PM, Bone Student Center, Illinois State University: Circus Room

S3. Probing the Precambrian in the Midwest: Reconciling Geological, Geochemical and Geophysical Observations-II

James Walker and John McBride, Presiding
 Paper #Start Time
12-01:20 PM THE EMINENCE-VAN BUREN VOLCANIC SERIES: A RIFT-RELATED CALDERA: LOWELL, Gary R., Geosciences, Southeast Missouri State Univ, Cape Girardeau, MO 63701, glowell@semovm.semo.edu and HARRISON, R. W., U.S. Geol Survey, MS926A National Center, Reston, VA 20192
12-01:40 PM MINERALOGY AND PETROLOGY OF THE BOURBON PRECAMBRIAN IRON DEPOSIT OF SOUTHEASTERN MISSOURI, AND ITS COMPARISON WITH THE OLYMPIC DAM-TYPE DEPOSITS OF SOUTH AUSTRALIA: STALLINGS, Michael Dale, HAGNI, Richard D., and SEEGER, Cheryl M., Department of Geology and Geophysics, Univ of Missouri-Rolla, 125 McNutt Hall, Rolla, MO 65401, mstall@umr.edu
12-02:00 PM TECTONIC INSIGHTS PROVIDED BY MESOPROTEROZOIC MAFIC ROCKS OF THE ST. FRANCOIS MOUNTAINS, SOUTHEASTERN MISSOURI: WALKER, James A., Northern Illinois Univ, Dept Geology & Environmental Geoscience, De Kalb, IL 60115-2854, jim@geol.niu.edu, PIPPIN, Charles G., 615 E Broad St, Statesville, NC 28677-5332, and CAMERON, Barry I., Department of Geological Sciences, Arizona State Univ, Tempe, AZ 85287-1404
12-02:20 PM DIABASE DIKES, EASTERN ARBUCKLE MOUNTAINS, OKLAHOMA: TWO MAGMATIC SUITES AND REGIONAL IMPLICATIONS: LIDIAK, Edward G., Dept. of Geology & Planetary Science, Univ of Pittsburgh, Pittsburgh, PA 15260, egl@pitt.edu and DENISON, Rodger E., Dept. of Geosciences, Univ of Texas at Dallas, Richardson, TX 75083
12-02:40 PM THE EXTENSION OF THE PRECAMBRIAN MID-CONTINENT GRANITE-RHYOLITE TERRANE INTO TEXAS: MOSHER, Sharon1, CONNELLY, James1, GRIMES, Steve2, HOH, April1, and ZUMBRO, Justin1, (1) Univ Texas - Austin, Dept Geological Sciences, Austin, TX 78712, mosher@mail.utexas.edu, (2) Department of Earth Sciences, Memorial Univ of Newfoundland, St. John's, NF A1B-3X5, Canada
 3:00 PM Break
12-03:20 PM ORE GENESIS RELATED TO THE DEVELOPMENT OF THE 1.1 GA MIDCONTINENT RIFT SYSTEM: RIPLEY, Edward M., Indiana Univ - Bloomington, 1001 E 10th St, Bloomington, IN 47405-5101, ripley@indiana.edu
12-03:40 PM REINTERPRETATION OF THE 1.1 GA CHENGWATANA VOLCANICS IN THE ST. CROIX HORST, MINNESOTA AND WISCONSIN: NICHOLSON, S. W.1, BOERBOOM, T.2, CANNON, W. F.1, and WIRTH, K.3, (1) USGS, MS 954, Reston, VA 20192, swnich@usgs.gov, (2) Minnesota Geol Survey, St. Paul, MN 55114, (3) Dept. of Geology, Macalester College, St. Paul, MN 55105
12-04:00 PM DISTRIBUTION OF KEWEENAWAN ORGANIC-RICH SHALES ASSOCIATED WITH THE MIDCONTINENT RIFT SYSTEM IN IOWA: ANDERSON, Raymond R., Iowa Department of Natural Resources, Geol Survey Bureau, 109 Trowbridge Hall, Iowa City, IA 52242-1319, randerson@igsb.uiowa.edu
12-04:20 PM PRECAMBRIAN STRUCTURE AND STRATIGRAPHY ACROSS CENTRAL OHIO, A DIFFERENT VIEW OF THE BASEMENT COMPLEX: BARANOSKI, Mark T., Ohio Department of Natural Resources, Div of Geol Survey, 4383 Fountain Square Drive, B-2, Columbus, OH 43224-1362, mark.baranoski@dnr.state.oh.us, DEAN, Stuart L., Department of Earth, Ecological and Environmental Sciences, The Univ of Toledo, 2801 W Bancroft St, Toledo, OH 43606-3390, and BROWN, V. Max, Department of Earth, Ecological and Environmental Sciences, The Univ of Toledo, 2801 W Bancroft St, Toledo, OH 43606-3390

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