T281 Advances in the Geology, Geochemistry, Geochronology, Isotope Geochemistry, Geophysics, Structural Geology, and Tectonics of Central Colorado

Wednesday, 3 November 2010
1:30 PM - 5:30 PM
Room 205

Presentations

• 1:35 PM
  THE EARLY PROTEROZOIC POUDRE BASIN, AN IMPORTANT CONSTRAINT OF 1.77—1.73-GA TECTONIC EVENTS IN NORTHERN COLORADO
  Ed DeWitt, US Geological Survey, Lakewood, CO and Wayne R. Premo, U.S. Geol Survey, Denver, CO and Terry Klein, U.S. Geological Survey, Denver, CO
  179742 (Technical Sessions)
• 1:55 PM
  SOME OF THE OLDEST ROCKS IN COLORADO ARE RIFT-RELATED? RESULTS FROM SHRIMP U-PB ZIRCON GEOCHRONOLOGY AND MAJOR AND TRACE-ELEMENT GEOCHEMISTRY
  W.R. Premo, USGS, Denver Federal Center, Denver, CO and Ed H. DeWitt, US Geological Survey, Lakewood, CO and Terry L. Klein, U.S. Geological Survey, Denver, CO and Karl S. Kellogg, U.S. Geol Survey, Denver, CO and James C. Cole, U.S. Geol Survey, Denver, CO and Jeremiah Workman, U.S. Geological Survey, Denver, CO
  180360 (Technical Sessions)
• 2:10 PM
  CONTRASTING PLUTONIC STYLES IN THE PALEOPROTEROZOIC OF COLORADO BETWEEN CA. 1.725 TO 1.690 GA: RESULTS FROM SHRIMP U-PB ZIRCON GEOCHRONOLOGYAND MAJOR AND TRACE-ELEMENT GEOCHEMISTRY
  W.R. Premo, USGS, Denver Federal Center, Denver, CO and Ed H. DeWitt, US Geological Survey, Lakewood, CO and Karl S. Kellogg, U.S. Geol Survey, Denver, CO and Terry L. Klein, U.S. Geological Survey, Denver, CO and James C. Cole, U.S. Geol Survey, Denver, CO and Jeremiah Workman, U.S. Geological Survey, Denver, CO
  180399 (Technical Sessions)
• 2:30 PM
  FACTORS CONTROLLING GENERATION AND DISTRIBUTION OF 1400-MA PLUTONS IN COLORADO
  Ed DeWitt, US Geological Survey, Lakewood, CO and Wayne R. Premo, U.S. Geol Survey, Denver, CO and Terry Klein, U.S. Geological Survey, Denver, CO
  180236 (Technical Sessions)
• 2:45 PM
  PROTEROZOIC TECTONICS IN COLORADO: INVESTIGATING THE STRUCTURAL EVOLUTION OF THE IDAHO SPRINGS-RALSTON SHEAR ZONE
  Zachary R. Wessel, Colorado State University, Fort Collins, CO and John Ridley, Colorado State University, Fort Collins, CO and Jonathan Saul Caine, U.S. Geological Survey, Denver, CO
  177984 (Technical Sessions)
• 3:00 PM
  TECTONIC EVOLUTION OF THE EASTERN COLORADO FRONT RANGE: A TALE OF TWO SHEAR ZONES
  John Ridley, Colorado State University, Fort Collins, CO and Zachary Wessel, Colorado State University, Fort Collins, CO and Jonathan Saul Caine, U.S. Geological Survey, Denver, CO
  178098 (Technical Sessions)
• 3:30 PM
  TERTIARY MAGMATISM IN THE SILVER CLIFF, ROSITA, AND DEER PEAK VOLCANIC CENTERS, WET MOUNTAINS: COLORADO-GEOCHEMISTRY, GEOCHRONOLOGY, AND STRUCTURAL EVOLUTION
  Terry Klein, U.S. Geological Survey, Denver, CO and Ed DeWitt, US Geological Survey, Lakewood, CO and Michael J. Kunk, U.S. Geological Survey, Reston, VA and Wayne R. Premo, U.S. Geol Survey, Denver, CO and Michael Cosca, U.S. Geological Survey, Denver, CO
  179776 (Technical Sessions)
• 3:45 PM
  USING THE INTRUSIVE RECORD TO UNDERSTAND CALDERA MAGMATISM: THE GEOCHRONOLOGY AND GEOCHEMISTRY OF THE MT. AETNA CALDERA COMPLEX, CENTRAL COLORADO
  Matthew J. Zimmerer, New Mexico Institute of Mining and Technology, Socorro, NM and Ryan D. Mills, NASA-JSC, Houston, TX and D.S. Coleman, University of North Carolina at Chapel Hill, Chapel Hill, NC and William McIntosh, New Mexico Tech, Socorro, NM and K. Stephen Hughes, North Carolina State University, Raleigh, NC
  181137 (Technical Sessions)
• 4:00 PM
  THE VOLCANO-PLUTONIC CONNECTION AT THE MID-TERTIARY NEVER SUMMER IGNEOUS COMPLEX, NORTH CENTRAL COLORADO
  Kristin H. Jacob, University of Colorado, Boulder, CO and G. Lang Farmer, Univ. of Colorado, Boulder, CO
  180411 (Technical Sessions)
• 4:15 PM
  GORE RANGE, BLUE RIVER VALLEY, AND WESTERN FRONT RANGE, COLORADO – ADVANCES IN UNDERSTANDING THE GEOLOGIC FRAMEWORK BASED ON NEW MAPPING AND GEOCHRONOLOGIC STUDIES
  Karl S. Kellogg, U.S. Geol Survey, Denver, CO and Ralph R. Shroba, U.S. Geol Survey, Denver, CO and Wayne R. Premo, Geology and Environmental Change Science Center, Denver, CO and Bruce Bryant, U.S. Geol Survey, Denver, CO
  178557 (Technical Sessions)
• 4:30 PM
  IS THERE A LARGE COLLAPSE AREA ASSOCIATED WITH EVAPORITE KARST IN THE SOUTHWESTERN PART OF SOUTH PARK, COLORADO?
  Robert M. Kirkham, GeoLogical Solutions, Alamosa, CO
  177898 (Technical Sessions)
• 4:45 PM
  EVALUATION OF THE EXTENT OF CONTAMINATION CAUSED BY HISTORICAL MINING IN CATCHMENTS OF CENTRAL COLORADO
  Stanley E. Church, The Villages, FL and David L. Fey, Mineral Resources Team, MS 973, Denver, CO and Richard B. Wanty, MS 964d, Denver, CO and Travis S. Schmidt, U.S. Geological Survey, Fort Collins, CO and T.L. Klein, US Geological Survey, Denver, CO and Barnaby W. Rockwell, U.S. Geological Survey, Denver, CO and Carma A. San Juan, Central Mineral and Environmental Resources Science Center, Denver, CO
  180865 (Technical Sessions)
• 5:00 PM
  MAPPING STREAM SEDIMENT GEOCHEMISTRY IN CENTRAL COLORADO
  Stuart A. Giles, Denver, CO and Robert G. Eppinger, Central Mineral and Environmental Resources Science Center, Denver, CO and Terry L. Klein, U.S. Geological Survey, Denver, CO
  181259 (Technical Sessions)
• 5:15 PM
  PROBABILISTIC SEISMIC HAZARD ANALYSIS FOR CHERRY CREEK AND CHATFIELD DAMS, DENVER, COLORADO
  R. LaForge, Lakewood, CO and D. Ostenaa, Lakewood, CO and Daniel R.H. O'Connell, Fugro William Lettis & Associates, Golden, CO and J. Palensky, Omaha, NE and N. Geibel, Omaha, NE
  182278 (Technical Sessions)