2008 Joint Meeting of The Geological Society of America, Soil Science Society of America, American Society of Agronomy, Crop Science Society of America, Gulf Coast Association of Geological Societies with the Gulf Coast Section of SEPM

Session No. 323
Wednesday, 8 October 2008: 1:30 PM-5:30 PM

T92. Discovering Petrologic Truth in Minerals II: In Honor of Bernard W. Evans

Mineralogical Society of America


Ronald Frost and Donna L. Whitney, Advocates
Paper #
Start Time
1:30 PM
The Effect of Local Bond-Valence Requirements on the Stability and Chemical Composition of Orthorhombic and Monoclinic Amphiboles
HAWTHORNE, Frank, Geological Sciences, University of Manitoba, 125 Dysart Road, 240 Wallace Bldg, Winnipeg, MB R3T 2N2, Canada, frank_hawthorne@umanitoba.ca, frank_hawthorne@umanitoba.ca
1:45 PM
Iron-Titanium Oxide Thermometry: Is Chromium a Perturbing Element?
LATTARD, Dominique and BURCHARD, Michael, Institut fuer Geowissenschaften, University of Heidelberg, INF 236, Heidelberg, 69120, Germany, dlattard@min.uni-heidelberg.de, dlattard@min.uni-heidelberg.de
2:00 PM
Geikielite and Coupled Spinel-Rutile Exsolution from Titanohematite in the Mesoproterozoic Granulite Facies, South Norway
ROBINSON, Peter1, LANGENHORST, Falko2, MCENROE, Suzanne A.1, FABIAN, Karl1, JERCINOVIC, Michael J.3 and BOFFA BALLARAN, Tiziana2, (1)Geol Survey of Norway, Trondheim, N-7491, Norway, (2)Bayerisches Geoinstitut, Universit├Ąt Bayreuth, Bayreuth, D-95440, Germany, (3)Dept. of Geosciences, University of Massachusetts, Amherst, 611 North Pleasant Street, 233 Morrill Science Center, Amherst, MA 01003-9297, peter.robinson@ngu.no, peter.robinson@ngu.no
2:15 PM
Tourmaline in Meta-Evaporites: Perspectives from Namibian Tourmalinites
HENRY, Darrell, Geology and Geophysics, Louisiana State University, E235 Howe-Russell Building, Baton Rouge, LA 70803, SUN, Haiting, Dept. of Geology and Geophysics, Louisiana State Univ, Baton Rouge, LA 70803, SLACK, John F., MS-954 National Ctr, US Geol Survey, 12201 Sunrise Valley Dr, Reston, VA 20192 and DUTROW, Barbara L., Dept. of Geology and Geophysics, Louisiana State University, Baton Rouge, LA 70803, glhenr@lsu.edu, glhenr@lsu.edu
2:30 PM
The Substantial Effect of Mineral Structure on Phase Equilibria and Thermodynamic Behavior In the Nepheline - Kalsilite System
HOVIS, Guy L., Department of Geology and Environmental Geosciences, Lafayette College, Easton, PA 18042, MOTT, Andrew V., Department of Geological and Environmental Sciences, Stanford, CA 94305 and ROUX, Jacques, Institut de Physique du Globe de Paris, 4, place Jussieu, Paris, cedex 05, 75252, France, hovisguy@lafayette.edu, hovisguy@lafayette.edu
2:45 PM
Partial Dissolution after Thermal Annealing: Towards a New Approach of Measurement of Sr Isotopic Composition In Apatites
DASGUPTA, Tathagata, Department of Earth Sciences, Syracuse University, 310 Heroy Geology Laboratory, Syracuse University, Syracuse, NY 13244 and SAMSON, Scott, Department of Earth Sciences, Syracuse University, 204 Heroy Laboratory, Syracuse, NY 13244, tdasgupt@syr.edu, tdasgupt@syr.edu
3:00 PM
Juxtaposition of Variably Depleted Ultramafic Rocks across a Mantle Mylonite Zone: Ingalls Ophiolite, Washington Cascades
MILLER, Robert B.1, SCHULTZ, Cynthia1, MILLER, Jonathan S.1 and MACDONALD Jr, James H.2, (1)Department of Geology, San Jose State University, San Jose, CA 95192-0102, (2)Marine and Ecological Sciences, Florida Gulf Coast State University, Fort Myers, FL 33965, rmiller@geosun.sjsu.edu, rmiller@geosun.sjsu.edu
3:15 PM
The Skagit Gneiss (North Cascades, Washington) Revisited: New P-T Results from Recently Discovered Al2SiO5-Bearing Gneiss
GORDON, S.M.1, WHITNEY, D.L.1, MILLER, R.B.2, MCLEAN, N.3 and BOWRING, S.3, (1)Department of Geology and Geophysics, University of Minnesota, 310 Pillsbury Dr SE, Minneapolis, MN 55455, (2)Geology Department, San Jose State University, San Jose, CA 95192, (3)EAPS, MIT, 77 Massachusetts Ave, Cambridge, MA 02139, gordo204@umn.edu, gordo204@umn.edu
3:30 PM
Use of Phase Diagram Sections to Constrain the P-T of Garnet Porphyroblast Growth in Amphibolite: An Example from the Nason Ridge Migmatitic Gneiss, WA
HOLLER, Robert A. and STOWELL, Harold H., Departnemt of Geological Sciences, The University of Alabama, 201 7th Ave., Bevill Building, Room 202, Tuscaloosa, AL 35487, raholler@gmail.com, raholler@gmail.com
3:45 PM
Petrogenesis and Structural Petrology of Lawsonite Eclogite and Blueschist Pods, Sivrihisar, Turkey
DAVIS, Peter B., Department of Geosciences, Pacific Lutheran University, Tacoma, WA 98447 and WHITNEY, Donna L., Geology & Geophysics, Univ of Minnesota, Minneapolis, MN 55455, davi0919@umn.edu, davi0919@umn.edu
4:00 PM
Fibrous Marble Doesn't Lie
SEATON, Nicholas, Geology and Geophysics, University of Minnesota, Minneapolis, MN 55455, WHITNEY, Donna L., Geology & Geophysics, Univ of Minnesota, Minneapolis, MN 55455, STANLEY, Valerie L., Geology & Geophysics, University of Minnesota, 500 Pillsbury Drive SE, Room 672, Minneapolis, MN 55455 and TEYSSIER, Christian, Geology and Geophysics, Univ of Minnesota, Minneapolis, MN 55455, seato008@umn.edu, seato008@umn.edu
4:15 PM
Using Mineral Chemistry and Texture to Track the Transition from Subduction to Collision
WHITNEY, Donna L., Department of Geology & Geophysics, University of Minnesota, 310 Pillsbury Dr. SE, Minneapolis, MN 55455, dwhitney@umn.edu, dwhitney@umn.edu
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