North-Central Section - 39th Annual Meeting (May 19–20, 2005)
Session No. 28 Friday, 20 May 2005
8:00 AM-12:00 PM, Radisson Metrodome: University C Ballroom

S5. The Midcontinent Rift in the Lake Superior Region: A Modern Integration of a Century of Studies

Jim D. Miller, William F. Cannon and Robert Michael Easton, Presiding
 Paper #Start Time
28-18:00 AM THE NORTH AMERICAN MIDCONTINENT RIFT SYSTEM-AN OVERVIEW OF A CENTURY OF STUDIES: CANNON, William F., U.S. Geol Survey, MS 954, Reston, VA 22092, wcannon@usgs.gov
28-28:20 AM GEOPHYSICAL CHARACTERISTICS OF THE MIDCONTINENT RIFT SYSTEM IN THE LAKE SUPERIOR REGION: A REVIEW: CHANDLER, Val W., Minnesota Geological Survey, Univ of Minnesota, 2642 University Avenue, St. Paul, MN 55114-1057, chand004@umn.edu
28-38:40 AM GEOCHRONOLOGY OF THE IGNEOUS ROCKS OF THE MIDCONTINENT RIFT SYSTEM: A REVIEW: GREEN, John C., Univ Minnesota - Duluth, Dept Geological Sciences, Duluth, MN 55812-2496, jgreen@d.umn.edu, DAVIS, D.W., Jack Satterly Geochronology Lab, Univ of Toronto, Toronto, M5S 3B1, Canada, EASTON, Robert Michael, Precambrian Geoscience Section, Ontario Geol Survey, Sudbury, ON P3E 6B5, MILLER, J.D. Jr, Minnesota Geol Survey, Natural Resources Research Institute, University of Minnesota Duluth, Duluth, MN 55812, VERVOORT, J.D., Dept. of Geology, Washington State Univ, Pullman, WA 99164, and ZARTMAN, R.E., Dept. of Geological Sciences, Univ of Cape Town, Rondebosch, 7701, South Africa
28-49:00 AM GEOCHEMICAL EVOLUTION OF THE VOLCANIC ROCKS OF THE 1.1 GA MIDCONTINENT RIFT SYSTEM: NICHOLSON, Suzanne W., US Geol Survey, 954 National Center, Reston, VA 20192, swnich@usgs.gov, GREEN, John C., Univ Minnesota - Duluth, Dept Geological Sciences, Duluth, MN 55812-2496, WIRTH, Karl R., Geology Department, Macalester College, 1600 Grand Ave, St. Paul, MN 55105, and VERVOORT, Jeffrey D., Department of Geology, Washington State Univ, Pullman, WA 99164
28-59:20 AM SEDIMENTARY FILL OF THE 1100 MA MIDCONTINENT RIFT SYSTEM (MRS) IN THE LAKE SUPERIOR REGION: OJAKANGAS, Richard W., Geological Sciences, Univ of Minnesota Duluth, 229 HH, 10 University Drive, Duluth, MN 55812, rojakang@d.umn.edu
28-69:40 AM THE MIDCONTINENT RIFT IN ONTARIO: A SHORT, BUT COMPLICATED TALE OF CRUSTAL SAGGING, SOFTENING, AND SPLITTING: EASTON, Robert Michael, Ontario Geol Survey, 933 Ramsey Lake Rd Rm B7064, Sudbury, ON P3E 6B5, eastonrm@vianet.on.ca
 10:00 AM Break
28-710:20 AM GEOLOGY OF THE MIDCONTINENT RIFT IN WESTERN LAKE SUPERIOR: WOODRUFF, Laurel G., U.S. Geol Survey, 2280 Woodale Drive, Mounds View, MN 55112, woodruff@usgs.gov, CANNON, William F., U.S. Geol Survey, 954 National Center, Reston, VA 20192, NICHOLSON, Suzanne W., US Geol Survey, 954 National Center, Reston, VA 20192, and BOERBOOM, Terrence J., Minnesota Geol Survey, 2642 University Avenue, St. Paul, MN 55114
28-810:40 AM GEOLOGY OF THE MIDCONTINENT RIFT IN NORTHEASTERN MINNESOTA: MILLER, James D. Jr1, GREEN, John C.2, SEVERSON, Mark J.3, CHANDLER, Val W.4, and BOERBOOM, Terrence J.4, (1) Minnesota Geological Survey, Univ of Minnesota, c/o NRRI, 5013 Miller Trunk Hwy, Duluth, MN 55811, mille066@umn.edu, (2) Univ Minnesota - Duluth, Dept Geological Sciences, Duluth, MN 55812-2496, (3) Natural Resources Research Institute, Univ of Minnesota Duluth, 5013 Miller Trunk Hwy, Duluth, MN 55811, (4) Minnesota Geological Survey, Univ of Minnesota, 2642 University Avenue, St. Paul, MN 55114-1057
28-911:00 AM CU-NI±PGE MINERAL DEPOSITS ASSOCIATED WITH THE DULUTH COMPLEX, NORTHEASTERN MINNESOTA: SEVERSON, Mark J., Natural Resources Research Institute, Univ of Minnesota Duluth, 5013 Miller Trunk Hwy, Duluth, MN 55811, mseverso@nrri.umn.edu
28-1011:20 AM COPPER DEPOSITS OF THE MIDCONTINENT RIFT IN MICHIGAN: BORNHORST, Theodore J., A. E. Seaman Mineral Museum, Michigan Tech, Houghton, MI 49931, tjb@mtu.edu
28-1111:40 AM MINERAL DEPOSITS AND METALLOGENY OF THE MIDCONTINENT RIFT IN ONTARIO: SMYK, Mark C., Ontario Geological Survey, Ministry of Northern Development and Mines, Suite B002, 435 James St. South, Thunder Bay, ON P7E 6S7 Canada, mark.smyk@ndm.gov.on.ca

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