GSA Annual Meeting, November 5-8, 2001

Session No. 57
Tuesday, 6 November 2001: 8:00 AM-12:00 PM

Igneous Petrology I

 

Robert F. Dymek and James A. Walker, Chairs
Paper #
Start Time
0
8:00 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, (2)Dept of Earth and Planetary Science, Univ of California, Berkeley, McCone Hall, Berkeley, CA 94720-4767, leela@uclink4.berkeley.edu, leela@uclink4.berkeley.edu
0
8:15 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, Plinian@aol.com
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8:30 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, K-Bartels@neiu.edu
0
8:45 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, (2)California Institute Technology, 1201 E California Blvd MC 170-25, Pasadena, CA 91125-0001, jadestar@geology.wisc.edu, jadestar@geology.wisc.edu
0
9:00 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, e.jerde@morehead-st.edu
0
9:15 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, jim@geol.niu.edu
0
9:30 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, 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, dlux@maine.edu, dlux@maine.edu
0
9:45 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, (2)Department of Geology, Univ of Maryland, College Park, MD 20742-4211, cewebb@wm.edu, cewebb@wm.edu
0
10:00 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, keena@geol.lsu.edu
0
10:15 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, philpotts@geol.uconn.edu
0
10:30 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 and HART, William K., Geology Dept, Miami Univ, 114 Shideler Hall, Oxford, OH 45056-2473, kurts@saintjoe.edu, kurts@saintjoe.edu
0
10:45 AM
Withdrawn
0
11:15 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, (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, Haraldur@gsosun1.gso.uri.edu, Haraldur@gsosun1.gso.uri.edu
0
11:00 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, bob_d@levee.wustl.edu
0
11:30 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, inbindem@geology.wisc.edu
0
11:45 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, ernst@geo.stanford.edu