257 Economic Geology

Wednesday, 7 November 2012
1:30 PM - 5:30 PM
211AB

Presentations

• 1:30 PM
  A HYDROTHERMAL SOURCE FOR METALS IN METALLIFEROUS BLACK SHALES OF THE BROOKS RANGE, NORTHERN ALASKA: GEOCHEMICAL AND OSMIUM ISOTOPE EVIDENCE
  John F. Slack, U.S. Geological Survey, Reston, VA and David Selby, University of Durham, Science Labs, Durham, N/A and Julie A. Dumoulin, U.S. Geological Survey, Anchorage, AK
  211391 (Technical Sessions)
• 1:45 PM
  HISTORY OF THE MISSISSIPPIAN KUNA BASIN FROM STRATIGRAPHIC PROFILES OF C- AND N-ISOTOPES: IMPLICATIONS FOR SHALE-HOSTED ZINC-LEAD-SILVER ORES OF THE RED DOG DISTRICT, NORTHWEST ALASKA
  Craig Johnson, US Geological Survey, Denver, CO and Julie Dumoulin, US Geological Survey Alaska Science Center, Anchorage, AK and John F. Slack, U.S. Geological Survey, Reston, VA and Robert C. Burruss, U. S. Geological Survey, Reston, VA
  212746 (Technical Sessions)
• 2:00 PM
  COPPER-SILVER-GOLD KUPFERSCHIEFER DEPOSITS IN EUROPE - LARGE SCALE MINING WITH A FUTURE IN GERMANY
  Volker Spieth, VS.GLOBALMETAL LLC, Tucson, AZ and Juergen Kopp, Economic Geology, Seddiner See, N/A
  209263 (Technical Sessions)
• 2:15 PM
  A GEOCHEMICAL AND PETROLOGICAL STUDY OF MAFIC DIKES AND INTRUSIONS ASSOCIATED WITH THE EAGLE NI-CU-PGE DEPOSIT IN THE BARAGA BASIN, UPPER MICHIGAN
  Matthew Dunlop, Indiana University, Bloomington, IN and Edward M. Ripley, Indiana Univ, Bloomington, IN and Chusi Li, Indiana University, Bloomington, IN
  209357 (Technical Sessions)
• 2:45 PM
  GEOCHEMICAL STUDIES OF GOLD MINERALIZATION OF THE DISCOVERY-ORMSBY AND CLAN LAKE AREAS, YELLOWKNIFE GREENSTONE BELT, CANADA
  Kevin L. Shelton, Univ of Missouri, Columbia, MO and Emma G. Hansen, Univ of Missouri, Columbia, MO and Francisco Gomez, Univ of Missouri, Columbia, MO and Hendrik Falck, Government of NWT, Yellowknife, NT
  206941 (Technical Sessions)
• 3:00 PM
  SOURCES OF SULFUR AND CONTAMINATION IN CONDUIT TYPE MAGMATIC NI-SULFIDE DEPOSITS: EVIDENCE FROM THE MIDCONTINENT RIFT SYSTEM-ASSOCIATED TAMARACK INTRUSION, MINNESOTA
  Valentina Taranovic, Indiana Univ, Bloomington, IN and Steven Shirey, Carnegie Institution of Washington, Washington, DC and Edward M. Ripley, Indiana Univ, Bloomington, IN and Mary Horan, Carnegie Institution of Washington, Washington, DC and Chusi Li, Indiana University, Bloomington, IN
  211426 (Technical Sessions)
• 3:15 PM
  FERROUS IRON FROM DETRITAL BIOTITE AS REDUCTANT IN FORMATION OF A ROLL-FRONT URANIUM DEPOSIT
  William White, Richmond, KY and Susan M. Swapp, University of Wyoming, Laramie, WY
  212491 (Technical Sessions)
• 4:00 PM
  THE CONNECTIONS BETWEEN NINETEENTH-CENTURY CANALS, STONEWORK, AND THE DEVELOPMENT OF HYDRAULIC CEMENT IN THE UNITED STATES AS EXEMPLIFIED BY THE CAREER OF ALEXANDER B. MCFARLAN (1796–1866)
  J.T. Hannibal, Cleveland Museum of Natural History, Cleveland, OH
  204740 (Technical Sessions)