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GSA Annual Meeting in Denver, Colorado, USA - 2016

Session No. 37
Sunday, 25 September 2016: 1:30 PM-5:30 PM
Room 407 (Colorado Convention Center)

T65. Precambrian Evolution and Mineral Resources of the Midcontinent Rift Region II: In Honor of William J. Hinze

GSA Geophysics Division; Society of Economic Geologists; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Sedimentary Geology Division; SEPM (Society for Sedimentary Geology)
Benjamin J. Drenth, Joyashish Thakurta and William F. Cannon, Advocates
37-1
1:30 PM
METALLOGENY OF THE 1.1 GA MIDCONTINENT RIFT (Invited Presentation)
NICHOLSON, Suzanne W., U.S. Geological Survey, 954 National Center, 12201 Sunrise Valley Dr, Reston, VA 20192, WOODRUFF, Laurel G., U.S. Geological Survey, 2280 Woodale Drive, Mounds View, MN 55112, CANNON, William F., US Geological Survey, 12201 Sunrise Valley Dr, MS 954, Reston, VA 20192-0001 and SCHULZ, Klaus J., U.S. Geological Survey, 954 National Center, Reston, VA 20192, swnich@usgs.gov
37-2
1:50 PM
SULFUR ISOTOPE CHARACTERISTICS OF SULFIDE MINERALS IN THE ARCHEAN AND PALEOPROTEROZOIC BASEMENT ROCKS ASSOCIATED WITH THE MIDCONTINENT RIFT
THAKURTA, Joyashish and HINKS, Benjamin D., Department of Geosciences, Western Michigan University, 1903 W. Michigan Ave, Kalamazoo, MI 49008-5241, joyashish.thakurta@wmich.edu
37-3
2:05 PM
S, OS AND CU ISOTOPE VARIATIONS BETWEEN SHEET- AND CONDUIT-STYLE NI-CU-PGE MINERALIZATION IN THE MIDCONTINENT RIFT SYSTEM, USA
SMITH, Joshua M.1, RIPLEY, Edward M.1, LI, Chusi1, WERNETTE, Benjamin1 and TARANOVIC, V.2, (1)Department of Geological Sciences, Indiana University, Bloomington, IN 47405, (2)Geology, Wayne State University, Detroit, MI 48202, jms44@umail.iu.edu
37-4
2:20 PM
THE DISCOVERY OF EAGLE EAST: AN EXAMPLE OF MODEL-DRIVEN EXPLORATION
MAHIN, Robert and BEACH, Steve, Lundin Mining Corp., Eagle Mine, 4547 C.R. 601, Champion, MI 49814, bob.mahin@lundinmining.com
37-5
2:35 PM
ANATOMY OF A DULUTH COMPLEX CU-NI-PGE MINERALIZED SYSTEM: THE SOUTH KAWISHIWI INTRUSION
PETERSON, Dean M., Peterson Geoscience LLC, 306 West Superior Street, Suite 410, Duluth, MN 55802, dpeterson1000@gmail.com
37-6
2:50 PM
STRATIGRAPHIC AND STRUCTURAL CONTROLS ON KUPFERSCHIEFER-TYPE COPPER MINERALIZATION, WHITE PINE, MICHIGAN
ROWELL, William F.1, HIRVI, Daniel A.2 and SHEPECK, Eric S.2, (1)Consultant, Lake Forest, IL 60045, (2)Highland Copper Company Inc., PO Box 338, White Pine, MI 49971, billrowell@comcast.net
 
3:05 PM
Break
37-7
3:20 PM
EXPLANATIONS FOR UNIQUE ASPECTS OF SEDIMENT-HOSTED STRATIFORM COPPER MINERALIZATION AT WHITE PINE, MICHIGAN: THE EFFECTS OF LATENT VOLCANIC HEAT
BROWN, Alex C., 13250 rue Acadie, Pierrefonds, QC H9A 1K9, Canada, acbrown@polymtl.ca
37-8
3:35 PM
DATING THE HYDROTHERMAL-BURIAL ALTERATION EVENT(S) IN THE PROTEROZOIC BASALTIC NORTH SHORE VOLCANIC GROUP, MINNESOTA
SCHMIDT, Susanne T., Mineralogy, University of Geneva, Rue des Maraichers 13, CH 1205, Geneva, CH 1205, Switzerland; University of Geneva, Rue des Maraichers 13, Geneva, 1205, Switzerland and WEMMER, Klaus, Isotopengeologie, Georg-August-Universität, Goldschmidtstr. 3, Göttingen, 37077, Germany, susanne.schmidt@unige.ch
37-9
3:50 PM
ONE CENTURY AND COUNTING: THE USE OF GEOPHYSICAL METHODS TO EXPLORE THE UNSEEN GEOLOGY OF MINNESOTA
CHANDLER, Val W., Minnesota Geological Survey, Univ of Minnesota, 2609 Territorial Road, St. Paul, MN 55114, chand004@umn.edu
37-10
4:05 PM
PRELIMINARY 3D MODEL OF THE MIDCONTINENT RIFT SYSTEM IN THE WESTERN LAKE SUPERIOR REGION, WISCONSIN, MINNESOTA, AND MICHIGAN
GRAUCH, V.J.S.1, POWERS, Michael H.1, HELLER, Samuel2 and ANDERSON, Eric D.1, (1)U.S. Geological Survey, Box 25046, DFC, MS 964, Denver, CO 80225, (2)U.S. Geological Survey, Box 25046, DFC, MS 939, Denver, CO 80225, tien@usgs.gov
37-11
4:20 PM
THE MIDCONTINENT RIFT SYSTEM IN IOWA
ANDERSON, Raymond, Earth and Environmental Sciences, The University of Iowa, 2155 Prairie du Chien Road, Iowa City, IA 52240, rockdoc.anderson@gmail.com
Handouts
  • Anderson-MRS-GSA 2016r.ppt (52.5 MB)
    • 37-12
    4:35 PM
    THE NORTHEAST IOWA INTRUSIVE COMPLEX: A MAJOR UNWRITTEN CHAPTER IN THE STORY OF THE MIDCONTINENT RIFT SYSTEM?
    DRENTH, Benjamin J., U.S. Geological Survey, MS 964 Denver Federal Center, Denver, CO 80225, ANDERSON, Raymond R., Department of Earth and Environmental Science, The University of Iowa, Iowa City, IA 52242, SCHULZ, Klaus J., U.S. Geological Survey, 954 National Center, Reston, VA 20192, FEINBERG, Joshua M., Institute for Rock Magnetism, University of Minnesota, Department of Earth Sciences, Minneapolis, MN 55455, CHANDLER, Val W., Minnesota Geological Survey, Univ of Minnesota, 2609 Territorial Road, St. Paul, MN 55114 and CANNON, William F., US Geological Survey, 12201 Sunrise Valley Dr, MS 954, Reston, VA 20192-0001, bdrenth@usgs.gov
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