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Activity

2005

• SEARCH FOR TRACES OF THE LATE HEAVY BOMBARDMENT ON EARTH – RESULTS FROM HIGH PRECISION CHROMIUM ISOTOPES
  12 The First 800 Million Years—The Initial Earth System
  Tuesday, 9 August 2005

  9:00 AM - 12:00 PM

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Date Unknown

• New Evidence for 2.01 Ga Rifting of the Easternmost Wyoming Craton (Black Hills, South Dakota): Implications for Break-up of a Supercraton (Superia)
  145 Precambrian Geology (Posters)
• U-Pb Geochronologic Study of Magmatic Zircon in Paleoproterozoic Granitic Pegmatite and Associated Metapelites, Black Hills, South Dakota: Implications for Gold Petrogenesis and Sedimentary Provenance
  145 Precambrian Geology (Posters)
• Was the Black Hills Domain (South Dakota) Always Part of the Archean Wyoming Craton?: New Evidence from ~3.4-2.7 Ga Detrital-Zircon Populations Found in Both ~1.9 and ~2.5 Ga Strata
  145 Precambrian Geology (Posters)