14 Precambrian Petrology and Tectonics (Posters)

Thursday, 16 May 2013
8:00 AM - 5:00 PM
North/South Ballroom

Presentations

• 8:00 AM
  NEW SHRIMP-RG U-PB ZIRCON GEOCHRONOLOGY OF PALEOPROTEROZOIC BASEMENT ROCKS FROM WESTERN COLORADO: A REFINEMENT OF THE TIMING FOR PROTEROZOIC CRUSTAL GROWTH IN THE COLORADO PROVINCE
  Wayne R. Premo, U.S. Geological Survey, Denver, CO and Richard J. Moscati, U.S. Geological Survey, Denver, CO and Ed H. DeWitt, US Geological Survey, Lakewood, CO
  219042 (Technical Sessions)
• 8:00 AM
  TIMING OF DEFORMATION ASSOCIATED WITH A MAJOR DUCTILE SHEAR ZONE, RUBY MOUNTAINS, SW MONTANA
  Lauren Bell, Bridgewater State University, Bridgewater, MA and Michael Krol, Bridgewater State University, Bridgewater, MA
  219085 (Technical Sessions)
• 8:00 AM
  AGE AND ORIGIN OF PYROXENITES FROM THE IRON HILL CARBONATITE COMPLEX, GUNNISON, COLORADO: EVIDENCE FROM PB-SR-ND ISOTOPES
  Wayne R. Premo, U.S. Geological Survey, Denver, CO and Heather A. Lowers, U.S. Geological Survey, Denver, CO and Bradley S. Van Gosen, United States Geological Survey, Denver, CO
  219498 (Technical Sessions)