T17 A Xenolith Perspective on the Physical and Chemical Evolution of Continental Lithosphere

Sunday, 7 November 2004
8:00 AM - 12:00 PM

Presentations

• 8:05 AM
  THE ROLE OF CHEMICAL BOUNDARY LAYERS IN REGULATING THE THERMAL THICKNESS OF CONTINENTS AND OCEANS
  Cin-Ty Lee, Rice Univ, Houston, TX and Adrian Lenardic, Rice Univ, Houston, TX and Catherine Cooper, Rice Univ, Houston, TX and Fenglin Niu, Rice Univ, Houston, TX and Alan Levander, Rice Univ - MS126, Houston, TX
  77066 (Technical Sessions)
• 8:25 AM
  PERSPECTIVES ON CONTINENTAL EVOLUTION FROM XENOLITHS AND GEOPHYSICAL DATA
  Thomas H. Jordan, Univ of Southern California, Los Angeles, CA
  75483 (Technical Sessions)
• 8:45 AM
  ZIRCONS IN CRATONIC MANTLE ECLOGITES: INSIGHTS INTO SUBCONTINENTAL LITHOSPHERIC MANTLE EVOLUTION AND METASOMATISM
  Mark D. Schmitz, Boise State Univ, Boise, ID
  74680 (Technical Sessions)
• 9:05 AM
  EVIDENCE FOR HIGH PRESSURE GARNET PYROXENITES IN THE CONTINENTAL LITHOSPHERE
  Michael Roden, Univ of Georgia, Athens, GA and Alberto Patiño-Douce, Univ of Georgia, Athens, GA and E.E. Laz'ko, Univ of Georgia, Athens, GA
  78904 (Technical Sessions)
• 9:20 AM
  A NEW MODEL FOR CONTINENTAL FLOOD BASALTS
  P.G. Silver, Carnegie Institution of Washington, DTM, Washington, DC and M. Behn, Carnegie Institution of Washington, DTM, Washington, DC and K. Kelley, Carnegie Institution of Washington, DTM, Washington, DC and M. Schmitz, Boise State Univ, Boise, ID
  77645 (Technical Sessions)
• 9:35 AM
  COMPOSITIONAL CONTROL OF WESTERN U.S. MAGMATISM, TECTONISM AND UPLIFT
  Eugene D. Humphreys, Eugene, OR
  80595 (Technical Sessions)
• 10:10 AM
  CORRELATION OF MANTLE XENOLITH DATA WITH GEOPHYSICAL IMAGES OF THE TRANSITION ZONE BETWEEN THE COLORADO PLATEAU AND THE RIO GRANDE RIFT
  Jane Selverstone, Univ of New Mexico, Albuquerque, NM and A. Brearley, Univ of New Mexico, Albuquerque, NM and G. Perkins, Univ of New Mexico, Albuquerque, NM and C. Porreca, Univ of New Mexico, Albuquerque, NM and Z.D. Sharp, Univ of New Mexico, Albuquerque, NM and C. Callahan, Univ of New Mexico, Albuquerque, NM and M. Roy, Univ of New Mexico, Albuquerque, NM
  78051 (Technical Sessions)
• 10:40 AM
  U-PB AND HF ISOTOPIC ANALYSIS OF ZIRCON IN LOWER CRUSTAL XENOLITHS FROM THE NAVAJO VOLCANIC FIELD: 1.4 GA MAFIC MAGMATISM AND METAMORPHISM BENEATH THE COLORADO PLATEAU
  James L. Crowley, Massachusetts Institute of Technology, Cambridge, MA and Mark D. Schmitz, Boise State Univ, Boise, ID and Samuel A. Bowring, Massachusetts Institute of Technology, Cambridge, MA and Michael Williams, Univ of Massachusetts, Amherst, MA and Karl E. Karlstrom, Univ of New Mexico, Albuquerque, NM
  78663 (Technical Sessions)
• 10:55 AM
  THERMAL RECORDS OF LOWER CRUSTAL XENOLITHS AND GRANULITE EXPOSURES: A PERSPECTIVE FROM GRANULITES OF THE SNOWBIRD TECTONIC ZONE, NORTHERN SASKATCHEWAN
  Rebecca M. Flowers, Massachusetts Institute of Technology, Cambridge, MA and Samuel A. Bowring, Massachusetts Institute of Technology, Cambridge, MA and Michael L. Williams, Univ of Massachusetts, Amherst, MA
  76896 (Technical Sessions)
• 11:10 AM
  CRUSTAL STRUCTURE INFERRED FROM GRANULITE-FACIES XENOLITHS FROM CENTRAL IRELAND
  Riana van den Berg, Univ College Dublin, Dublin 4, N/A and J Stephen Daly, Univ College Dublin, Dublin 4, N/A
  77286 (Technical Sessions)
• 11:25 AM
  ION MICROPROBE U-PB ZIRCON EVIDENCE FROM LOWER CRUSTAL XENOLITHS FOR PALAEOZOIC CRUST FORMATION AND CRUSTAL DEVELOPMENT WITHIN THE CALEDONIAN SUTURE ZONE IN CENTRAL IRELAND
  J. Stephen Daly, University College Dublin, Dublin 4, N/A and Riana van den Berg, Univ College Dublin, Dublin 4, N/A
  77250 (Technical Sessions)
• 11:40 AM
  XENOLITH COLLECTIONS AT THE SMITHSONIAN: SCOPE, HISTORY, AND OUTLOOK FOR RESEARCH
  S.S. Sorensen, Smithsonian Inst, Washington, DC and B. Carter Hearn, US Geol Survey, Reston, VA and James F. Luhr, Smithsonian Inst, Washington, DC
  78696 (Technical Sessions)