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

Session No. 12
Monday, 23 April 2001: 1:20 PM-4:40 PM

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

 

James Walker and John McBride, Conveners
Paper #
Start Time
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1:20 PM
THE EMINENCE-VAN BUREN VOLCANIC SERIES: A RIFT-RELATED CALDERA
LOWELL, Gary R., Geosciences, Southeast Missouri State Univ, Cape Girardeau, MO 63701 and HARRISON, R. W., U.S. Geol Survey, MS926A National Center, Reston, VA 20192, glowell@semovm.semo.edu, glowell@semovm.semo.edu
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1:40 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, mstall@umr.edu
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2:00 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, 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, jim@geol.niu.edu, jim@geol.niu.edu
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2:20 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 and DENISON, Rodger E., Dept. of Geosciences, Univ of Texas at Dallas, Richardson, TX 75083, egl@pitt.edu, egl@pitt.edu
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2:40 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, (2)Department of Earth Sciences, Memorial Univ of Newfoundland, St. John's, NF A1B-3X5, Canada, mosher@mail.utexas.edu, mosher@mail.utexas.edu
 
3:00 PM
Break
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3:20 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, ripley@indiana.edu
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3:40 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, (2)Minnesota Geol Survey, St. Paul, MN 55114, (3)Dept. of Geology, Macalester College, St. Paul, MN 55105, swnich@usgs.gov, swnich@usgs.gov
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4:00 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, randerson@igsb.uiowa.edu
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4:20 PM
PRECAMBRIAN STRUCTURE AND STRATIGRAPHY ACROSS CENTRAL OHIO, A DIFFERENT VIEW OF THE BASEMENT COMPLEX
BARANOSKI, Mark T.1, DEAN, Stuart L.2 and BROWN, V. Max2, (1)Ohio Department of Natural Resources, Div of Geol Survey, 4383 Fountain Square Drive, B-2, Columbus, OH 43224-1362, (2)Department of Earth, Ecological and Environmental Sciences, The Univ of Toledo, 2801 W Bancroft St, Toledo, OH 43606-3390, mark.baranoski@dnr.state.oh.us, mark.baranoski@dnr.state.oh.us
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