16 Precambrian Geology of the Rocky Mountains and High Plains Region

Wednesday, 25 May 2005
8:00 AM - 12:00 PM

Presentations

• 8:00 AM
  PROTEROZOIC ROCKS OF THE SOUTHWEST: EPISODIC CRUSTAL GROWTH, LONG-LIVED (1.8 TO 1.0 GA) PLATE MARGIN ALONG SOUTHERN LAURENTIA, AND PRESERVATION OF PROTEROZOIC SUBDUCTION SCARS IN THE MODERN-DAY LITHOSPHERE
  Karl E. Karlstrom, Univ of New Mexico, Albuquerque, NM and Steven Whitmeyer, Univ of New Mexico, Albuquerque, NM and Micah Jessup, Univ of New Mexico, Albuquerque, NM
  87476 (THEME SESSIONS)
• 8:15 AM
  GEOCHRONOLOGIC CONSTRAINTS ON PROTEROZOIC BASEMENT EVOLUTION AND QUARTZITE DEPOSITION, WEST NEEDLE MOUNTAINS, COLORADO
  James V. Jones, Univ of Texas at Austin, Austin, TX and James N. Connelly, Univ of Texas at Austin, Austin, TX and Christopher L. Andronicos, Univ of Texas at El Paso, El Paso, TX
  87465 (THEME SESSIONS)
• 8:30 AM
  THE NATURE OF PALEOPROTEROZOIC ROCKS IN THE SOUTHERN SANGRE DE CRISTO RANGE BASED ON MAPPING THE CULEBRA PEAK QUADRANGLE, COLORADO
  Jason B. Price, Colorado School of Mines, Golden, CO and John Keller, Colorado Geol Survey, Denver, CO
  87495 (THEME SESSIONS)
• 9:00 AM
  AUTOCHTHONEITY OF THE PROTEROZOIC UNCOMPAGHRE GROUP, NEEDLE MOUNTAINS, COLORADO: INSIGHT INTO REGIONAL ~1.7 GA QUARTZITE DEPOSITION
  Austin Zinsser, Univ of New Mexico, Albuquerque, NM and Karl E. Karlstrom, Univ of New Mexico, Albuquerque, NM
  87439 (THEME SESSIONS)
• 9:15 AM
  A CASE STUDY OF A ~1.66 GA QUARTZITE-RHYOLITE SUCCESSION IN CENTRAL NEW MEXICO: SIGNIFICANCE OF TWO QUARTZITE-RHYOLITE “EVENTS” DURING ASSEMBLY OF LAURENTIA
  Amy Luther, Univ of New Mexico, Albuquerque, NM and Karl E. Karlstrom, Univ of New Mexico, Albuquerque, NM
  87424 (THEME SESSIONS)
• 9:45 AM
  U/PB GEOCHRONOLOGY AND STRUCTURAL ANALYSIS OF PROTEROZOIC ROCKS IN THE SIERRA NACIMIENTO REGION, NORTHWESTERN NEW MEXICO
  Karl S. Kellogg, U.S. Geol Survey, Denver, CO and W.R. Premo, USGS, Denver Federal Center, Denver, CO
  86974 (THEME SESSIONS)
• 10:00 AM
  CONTACT METAMORPHISM IN PELITIC GNEISS ADJACENT TO WOLF CREEK ULTRAMAFIC BODY, RUBY RANGE, SW MONTANA, EVIDENCE FOR HOT EMPLACEMENT
  J. Alcock, Penn State Abington College, Abington, PA and Peter D. Muller, SUNY Oneonta, Oneonta, NY and Joshua Haugh, SUNY Oneonta, Oneonta, NY
  85999 (THEME SESSIONS)