Session No. 129 Wednesday, November 7, 2001

1:30 PM-5:30 PM, Hynes Convention Center: 208
Igneous Petrology II
Michael Barton and M. C. Gilbert, Presiding
 Paper #Start Time
129-01:30 PM COMPLEX MAGMA SYSTEM DEVELOPMENT IN NORTHERN NEVADA AND THE ROLE OF EPISODIC BASALT INJECTION INTO THE CRUST: BRUESEKE, Matthew E., Geology, Miami University – Ohio, 114 Shideler Hall, Oxford, OH 45056, Brueseme@muohio.edu and HART, William K., Miami Univ – Ohio, 114 Shideler Hall, Oxford, OH 45056-2473
129-01:45 PM COMPOSITIONAL CONSEQUENCES OF LAWSONITE BREAKDOWN IN REGIONS OF WARM SUBDUCTION: FEINEMAN, Maureen D.1, HAMMERSLEY, Lisa2, BRYCE, Julia G.2, and CARMICHAEL, Ian S.E.3, (1) Dept of Earth and Planetary Science, Univ of California, Berkeley, Center for Isotope Geochemistry, McCone Hall, Berkeley, CA 94720-4767, feineman@uclink4.berkeley.edu, (2) Center for Isotope Geochemistry, Dept of Earth and Planetary Sci, University of California, Berkeley, CA 94720-4767, (3) Dept of Earth and Plantary Science, Univ of California, Berkeley, 307 McCone Hall MS4767, Berkeley, CA 94750-4767
129-02:00 PM CONSTRAINTS ON THE LIFETIME OF THE MAGMATIC SYSTEM AT THE GEYSERS, SONOMA COUNTY, CALIFORNIA: SCHMITT, Axel K., GROVE, Marty, LOVERA, Oscar M., and HARRISON, T. Mark, Department of Earth and Space Sciences, UCLA, Los Angeles, CA 90095-1567, marty@oro.ess.ucla.edu
129-02:15 PM CONTRASTING STYLES OF DEVONIAN GRANITIC MAGMATISM IN COASTAL MAINE: BARTON, Michael and RILEY, Dean N., Geological Sciences, Ohio State Univ, 275 Mendenhall Laboratory, 125 S. Oval Mall, Columbus, OH 43210, barton.2@osu.edu
129-02:30 PM FUNDAMENTAL PETROLOGY OF THE EAST HILL SUITE, MONT SAINT-HILAIRE, QUÉBEC, CANADA: TICE, Peter E., WEBBER, Karen L., FALSTER, Alexander U., and SIMMONS, William B., Department of Geology & Geophysics, Univ of New Orleans, New Orleans, LA 70148, aegirine@yahoo.com
129-02:45 PM GEOLOGY OF THE BEAVER CREEK STOCK IN CLEARWATER COUNTY, IDAHO: WILSON, Susan Yvonne and GEIST, Dennis, Geological Sciences, Univ of Idaho, P.O. Box 443022, Moscow, ID 83844-3022, geopanda@lycos.com
129-03:00 PM IMPLICATIONS OF THE EAST LAKE DYKE FOR THE NATURE OF THE CONTACT BETWEEN THE POVUNGNITUK AND CHUKOTAT GROUPS OF THE CAPE SMITH FOLDBELT, UNGAVA, QUEBEC: STEWART, Andrew J. and FRANCIS, D. M., Earth and Planetary Sciences, McGill Univ, 3450 University St, Montreal, QC H3A 2A7, Canada, astewart@eps.mcgill.ca
129-03:15 PM ISOTOPE (ND-SR-PB-O) PROVINCIALITY REVEALED BY TERTIARY VOLCANIC ROCKS FROM THE INDIAN PEAK AND CENTRAL NEVADA CALDERA COMPLEXES OF THE SOUTHERN GREAT BASIN: CHRISTIANSEN, Eric H.1, BEST, Myron G.1, HART, Garret L.2, and JOHNSON, Clark M.2, (1) Department of Geology, Brigham Young Univ, Provo, UT 84602, eric_christiansen@byu.edu, (2) Department of Geology and Geophysics, Univ of Wisconsin, Madison, WI 53706
129-03:30 PM ISOTOPIC AND GEOCHEMICAL EVIDENCE OF DE-CARBONATION OF SUBDUCTING SLAB IN THE MANTLE WEDGE AS RECORDED IN ULTRAMAFIC XENOLITHS FROM THE KAMCHATKA ARC: BASU, Neil K.1, BAILEY, David G.1, YOGODZINSKI, Gene M.2, POREDA, Robert J.3, and BASU, Asish R.3, (1) Hamilton College, 198 College Hill Rd, Clinton, NY 13323, nkbasu@aol.com, (2) Department of Geological Sciences, Univ of South Carolina, Columbia, SC 29208, (3) Department of Earth and Environmental Sciences, Univ of Rochester, 227 Hutchison Hall, Rochester, NY 14627
129-03:45 PM LEAD ISOTOPE STUDY OF THE PALEOGENE IGNEOUS ROCKS OF THE SIERRA MAESTRA, SOUTHEASTERN CUBA: KYSAR MATTIETTI, Giuseppina1, LEWIS, John F.1, and WYSOCZANSKI, Richard2, (1) Dept. Earth and Environmental Sciences, The George Washington University, Washington, DC, jlewis@gwu.edu, (2) Mineral Sciences, National Museum of Nat History, Smithsonian Institution, Washington, DC
129-04:00 PM NATURE AND ORIGIN OF ACADIAN PLUTONISM, PIEDMONT TERRANE, NC-GA: MAPES, Russell W.1, MILLER, Calvin F.1, FULLAGAR, Paul D.2, and BREAM, Brendan R.3, (1) Dept of Geology, Vanderbilt Univ, Nashville, TN 37235, russ.mapes@vanderbilt.edu, (2) Dept of Geological Sciences, Univ of North Carolina, Chapel Hill, NC 27599-3315, (3) Dept of Geological Sciences, Univ of Tennessee, Knoxville, TN 37996-1410
129-04:15 PM OSMIUM ISOTOPE SYSTEMATICS: OBSERVATIONS FROM THE CASCADE ARC: HART, Garret L.1, JOHNSON, Clark M.1, and SHIREY, Steven B.2, (1) Department of Geology and Geophysics, Univ of Wisconsin, 1215 W. Dayton St, Madison, WI 53706, glhart@geology.wisc.edu, (2) Department of Terrestrial Magnetism, Carnegie Institution of Washington, 5241 Broadbranch Road, N.W, Washington, DC 20015
129-04:30 PM OSMIUM ISOTOPIC AND PLATINUM GROUP ELEMENT GEOCHEMISTRY OF PERIDOTITE XENOLITHS FROM THE SIERRA NEVADA ARC AND THE BASIN AND RANGE: LEE, Cin-Ty, Geological and Planetary Sciences, California Institute of Technology, MC 170-25, 1200 E. California Blvd, Pasadena, CA 91125, ctlee@its.caltech.edu.
129-04:45 PM THE GEOLOGY OF THE DEBLOIS PLUTON COMPLEX AND SURROUNDING ROCKS, EASTERN MAINE: RILEY, Dean N. and BARTON, Michael, Geological Sciences, Ohio State Univ, 275 Mendenhall Laboratory, 125 S. Oval Mall, Columbus, OH 43210, riley@geology.ohio-state.edu
129-05:00 PM THE MAGMATIC EVOLUTION OF THE WESTERN AND CENTRAL ELBA INTRUSIVE COMPLEX, ITALY : WESTERMAN, David S.1, DINI, Andrea2, INNOCENTI, Fabrizio3, ROCCHI, Sergio3, and TONARINI, Sonia2, (1) Department of Geology, Norwich University, Northfield, VT 05663, westy@norwich.edu, (2) Istituto Geocronologia e Geochimica Isotopica, CNR, Pisa, I-56127, Italy, (3) Dipartimento di Scienze della Terra, Università di Pisa, Pisa, I-56126, Italy
129-05:15 PM USING EMPLACEMENT POSITION TO HELP CONSTRAIN ORIGIN OF GRANITES: GILBERT, M. Charles, School of Geology & Geophysics, Univ of Oklahoma, 100 E. Boyd, SEC 810, Norman, OK 73019, mcgilbert@ou.edu.

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