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2004 Denver Annual Meeting (November 7–10, 2004)

Session No. 57
Sunday, 7 November 2004: 1:30 PM-5:30 PM

T75. A Xenolith Perspective on the Physical and Chemical Evolution of Continental Lithosphere (Posters)

GSA Structural Geology and Tectonics Division; Mineralogical Society of America; GSA Geophysics Division

Authors will be present from .

 

Paper #
Booth #
1
105
THE SEARCH FOR THE SOURCE OF THE ANOMALOUSLY HIGH UPPER MANTLE SEISMIC VELOCITIES OF THE SIBERIAN CRATON: EVIDENCE FROM XENOLITHS
KOBUSSEN, Alan F., Department of Geology & Geophysics, Univ of Wisconsin - Madison, 1215 W. Dayton St, Madison, WI 53706, CHRISTENSEN, Nikolas, Dept. Geology and Geophysics, Univ of Wisconsin, University of Wisconsin, Madison, WI 53706-1692 and THYBO, Hans, Geological institut, Copenhagen Univ, Denmark, kobussen@geology.wisc.edu, kobussen@geology.wisc.edu
2
106
THE DYNAMICS OF ARCHEAN LITHOSPHERE IN NORTHERN TANZANIA
TIMPA, Sean A., Geology, Univ of Maryland, College Park, MD 20742 and RUDNICK, Roberta L., Geochemistry Laboratory, Dept. Geology, Univ of Maryland, College Park, MD 20742, timpa@geol.umd.edu, timpa@geol.umd.edu
3
107
PARTIAL TRANSFORMATION OF GARNET LHERZOLITE TO SPINEL WEBSTERITE IN XENOLITHS FROM THE RIO PUERCO VOLCANIC FIELD, NEW MEXICO: A RECORD OF INCIPIENT LITHOSPHERIC EXTENSION
PORRECA, C., SELVERSTONE, J. and BREARLEY, A., Earth and Planetary Sciences, Univ of New Mexico, Albuquerque, NM 87131, porrecac@unm.edu, porrecac@unm.edu
4
108
OXYGEN ISOTOPIC COMPOSITIONS OF ULTRAMAFIC XENOLITHS FROM THE RIO PUERCO VOLCANIC NECKS, NM, AND IMPLICATIONS FOR THE SOURCE OF METASOMATIC FLUIDS IN THE LITHOSPHERIC MANTLE
PERKINS, G., SHARP, Zachary D. and SELVERSTONE, J., Earth and Planetary Sciences, Univ of New Mexico, Albuquerque, NM 87131, gperkins@unm.edu, gperkins@unm.edu
5
109
CHARACTERIZATION OF MAGNETIC PROPERTIES AND MAGNETIC MINERALOGY OF MANTLE XENOLITHS FROM THE RIO PUERCO VOLCANIC FIELD, NEW MEXICO
CALLAHAN, Caitlin N., Dept. Earth & Planetary Sciences, Univ of New Mexico, Northrop Hall, Room 141, MSC 03 2040, Albuquerque, NM 87131-0001, GEISSMAN, John W., Department of Earth and Planetary Sciences, Univ of New Mexico, Northrop Hall, Albuquerque, NM 87131, BREARLEY, Adrian, Earth & Planetary Sciences, Univ of New Mexico, 200 Yale Blvd. NE, Northrop Hall, Albuquerque, NM 87131 and SELVERSTONE, Jane, Earth and Planetary Sciences, Univ of New Mexico, Albuquerque, NM 87131, ccallaha@unm.edu, ccallaha@unm.edu
6
110
PARTIAL MELTING DURING ASCENT OF GRANITIC XENOLITHS FROM THE PUERCO NECKS, NEW MEXICO: IMPLICATIONS FOR IN SITU MELTING PROCESSES AND FOR CONTAMINATION OF HOST BASALTS
JUNG, Erik, SELVERSTONE, Jane and BREARLEY, A.J., Earth & Planetary Sciences, Univ. of New Mexico, Albuquerque, NM 87131-0001, junger@unm.edu, junger@unm.edu
7
111
THERMOBAROMETRY OF SAPPHIRINE-BEARING METAPELITES AND MANTLE PERIDOTITES FROM KILBOURNE HOLE, SOUTHERN RIO GRANDE RIFT (RGR)
HAMBLOCK, Julie M., ANDRONICOS, Christopher L., ANTHONY, Elizabeth Y., REN, Minghua and VELASCO, Aaron A., Department of Geological Sciences, Univ of Texas at El Paso, 500 W. University Ave, El Paso, TX 79968, hamblock@geo.utep.edu, hamblock@geo.utep.edu
8
112
U-PB ZIRCON AGES OF SURFACE AND SUBSURFACE SAMPLES FROM TEXAS AND SOUTHERN NEW MEXICO: IMPLICATIONS FOR GRENVILLE-AGE AND TERTIARY MAGMATISM
LI, Yujia1, BARNES, Melanie A.2, CHATTOPADHYAY, Indrani1, BARNES, Calvin G.3 and FROST, Carol D.4, (1)Geosciences, Texas Tech Univ, Lubbock, TX 79409-1053, (2)Department of Geosciences, Texas Tech Univ, Box 41053, Lubbock, TX 79409-1053, (3)Department of Geosciences, Texas Tech University, Box 41053, Lubbock, TX 79409-1053, (4)Department of Geology and Geophysics, Univ of Wyoming, Dept 3006, 1000 University Ave, Laramie, WY 82071, yujia.li@ttu.edu, yujia.li@ttu.edu
9
124
Withdrawn
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