Session No. 57 Tuesday, November 6, 2001

8:00 AM-12:00 PM, Hynes Convention Center: 202
Igneous Petrology I
Robert F. Dymek and James A. Walker, Presiding
 Paper #Start Time
57-08:00 AM A WET VOLCANIC FRONT IN MEXICO AND THE SOURCE OF HYDROUS INTERMEDIATE LAVAS: HAMMERSLEY, Lisa1, FEINEMAN, Maureen D.1, BRYCE, Julia G.1, and CARMICHAEL, Ian S.E.2, (1) Dept of Earth and Planetary Science, Univ of California, Berkeley, Center for Isotope Geochemistry, McCone Hall, Berkeley, CA 94720-4767, leela@uclink4.berkeley.edu, (2) Dept of Earth and Planetary Science, Univ of California, Berkeley, McCone Hall, Berkeley, CA 94720-4767
57-08:15 AM ANALYZING THE COMPLEX TEXTURE OF A SIMPLE DIABASE: PALISADES SILL, NEW JERSEY: DICKSON, Loretta D. and PHILPOTTS, Anthony R., Department of Geology and Geophysics, Univ of Connecticut, 354 Mansfield Road, U-45, Storrs, CT 06269, Plinian@aol.com
57-08:30 AM QUANTIFICATION OF EXPERIMENTALLY PRODUCED IGNEOUS TEXTURES USING CLUSTER ANALYSIS: BARTELS, Karen S., Earth Science, Northeastern Illinois Univ, 5500 N St Louis Ave, Chicago, IL 60625-4699, K-Bartels@neiu.edu.
57-08:45 AM CORRELATED O-SR-PB ISOTOPE TRENDS IN GRANITOIDS FROM THE WEST-CENTRAL SIERRA NEVADA, CA: LACKEY, Jade Star1, VALLEY, John W.1, and CHEN, James H.2, (1) Department of Geology and Geophysics, Univ of Wisconsin - Madison, 1215 West Dayton Street, Madison, WI 53706, jadestar@geology.wisc.edu, (2) California Institute Technology, 1201 E California Blvd MC 170-25, Pasadena, CA 91125-0001
57-09:00 AM EARLY GABBROIC ROCKS OF THE PROTEROZOIC MIDCONTINENT RIFT: A "LAYERED" INTRUSION RESULTING FROM POLYBARIC MAGMA EVOLUTION AND UNDERPLATING: JERDE, Eric A. and ROBINSON, Eric D., Dept. of Physical Sciences, Morehead State Univ, Morehead, KY 40351, e.jerde@morehead-st.edu
57-09:15 AM EARLY HISTORY OF THE MIDCONTINENT RIFT AS RECORDED BY THE ALONA BAY LAVAS, ONTARIO: WALKER, James A. and GMITRO, Todd T., Northern Illinois Univ, Dept Geology & Environmental Geoscience, De Kalb, IL 60115-2854, jim@geol.niu.edu
57-09:30 AM EVIDENCE FOR MAFIC INPUTS IN DEVONIAN PLUTONS OF THE COASTAL MAINE MAGMATIC PROVINCE: LUX, Daniel R., Department of Geological Sciences, Univ of Maine, Bryant Global Sciences Building, Orono, ME 04469, dlux@maine.edu, GIBSON, David, Department of Natural Sciences - Geology, Univ Maine - Farmington, 173 High St, Farmington, ME 04938-6821, and HOGAN, John P., Geology & Geophysics, Univ of Missouri-Rolla, 125 McNutt Hall, 1870 Miner Circle, Rolla, MO 65409-0410
57-09:45 AM GENERATION OF GRANITIC DIKES: CAN TEXTURE, MINERALOGY, AND GEOCHEMISTRY BE USED AS GUIDES TO DETERMINE THE MECHANISMS OF DIKING?: WEBBER, Caroline E.1, CANDELA, Philip A.2, PICCOLI, Philip M.2, and SIMON, Adam C.2, (1) Department of Geology, College of William and Mary, P.O. Box 8795, Williamsburg, VA 23186-8795, cewebb@wm.edu, (2) Department of Geology, Univ of Maryland, College Park, MD 20742-4211
57-010:00 AM HOTTER THAN YOU THOUGHT--KOMATIITES FROM THE BARBERTON GREENSTONE BELT: KAREEM, Keena M. and BYERLY, Gary R., Geology and Geophysics, Louisiana State Univ, Baton Rouge, LA 70803, keena@geol.lsu.edu
57-010:15 AM MAGMATIC COMPACTION IN THE HOLYOKE FLOOD-BASALT FLOW, CT, AS INDICATED BY TEXTURAL ANISOTROPISM AND CHEMICAL VARIATION: PHILPOTTS, Anthony R., GRAY, Norman H., and PHILPOTTS, Doreen E., Department of Geology and Geophysics, Univ of Connecticut, 354 Mansfield Road, U-45, Storrs, CT 06269, philpotts@geol.uconn.edu
57-010:30 AM TIME-SPACE PATTERNS OF BASALTIC VOLCANISM ON THE OWYHEE PLATEAU, OR-NV-ID: SHOEMAKER, Kurt A., Geology Dept, Saint Joseph's College, PO Box 877, Rensselaer, IN 47978-0877, kurts@saintjoe.edu and HART, William K., Geology Dept, Miami Univ, 114 Shideler Hall, Oxford, OH 45056-2473
57-010:45 AM Paper Withdrawn
57-011:00 AM OBSERVATIONS ON THE ALLARD LAKE ANORTHOSITE, GRENVILLE PROVINCE, QUEBEC, AND IMPLICATIONS FOR PETROGENESIS OF THE CRUML BELT OF MASSIF ANORTHOSITES: DYMEK, Robert F., Department of Earth and Planetary Sciences, Washington Univ, Saint Louis, MO 63130, bob_d@levee.wustl.edu.
57-011:15 AM OXYGEN ISOTOPE RATIOS OF CENTRAL AMERICAN CENOZOIC IGNIMBRITES: SIGURDSSON, Haraldur1, KARLSSON, Haraldur R.2, JORDAN, Benjamin R.3, CAREY, Steven N.1, BROWNING, James M.2, and ROGERS, Robert D.4, (1) Graduate School of Oceanography, Univ of Rhode Island, Narragansett, RI 02882-1197, Haraldur@gsosun1.gso.uri.edu, (2) Department of Geosciences, Texas Tech Univ, Lubbock, TX 79409-1053, (3) Graduate School of Oceanography, Univ of Rhode Island, Horn Lab Box 200, Room 118, Narragansett, RI 02882, (4) Institute for Geophysics, Univ of Texas, 4412 Spicewood Springs Road, Suite 600, Austin, TX 78759-8500
57-011:30 AM OXYGEN ISOTOPE STUDY OF THE BISHOP TUFF MAGMA CHAMBER: THE ROLE OF CONVECTIVE HOMOGENIZATION: BINDEMAN, Ilya N. and VALLEY, John W., Geology and Geophysics, Univ Wisconsin, 1215 W Dayton St, Madison, WI 53706, inbindem@geology.wisc.edu
57-011:45 AM THERMOBAROMETRY OF CA-CLINOAMPHIBOLES IN THE BARCROFT GRANODIORITIC PLUTON, CENTRAL WHITE MOUNTAINS, EASTERN CALIFORNIA: ERNST, W. G., Stanford University, Bldg 320, Stanford, CA 94305-2115, ernst@geo.stanford.edu.

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