2007 GSA Denver Annual Meeting (28–31 October 2007)

Session No. 214
Wednesday, 31 October 2007: 3:30 PM-5:30 PM

Mineralogy/Crystallography; Petrology; Volcanology II

 

Martin Robyr and Emily Peterman, Chairs
Paper #
Start Time
1
3:30 PM
TEXTURAL, CHEMICAL, AND MICROSTRUCTURAL INVESTIGATIONS OF SNOWBALL GARNET PORPHYROBLASTS
ROBYR, Martin, Geological Sciences department, Jackson School, University of Texas at Austin, 1 University Station C1100, Austin, TX 78712, mrobyr@jsg.utexas.edu, mrobyr@jsg.utexas.edu
2
3:45 PM
BIMODAL GARNET NUCLEATION AND GROWTH PATTERNS IN METAPELITES FROM ALP DE CONFIN, ADULA NAPPE, SWITZERLAND
GOEKE, Elizabeth R., Dept. of Geosciences, Univ. of Iowa, Iowa City, IA 52242 and FOSTER Jr, C.T., Dept. of Earth & Environmental Sciences, University of Iowa, Iowa City, IA 52242, elizabeth-goeke@uiowa.edu, elizabeth-goeke@uiowa.edu
3
4:00 PM
RATES OF INTERGRANULAR DIFFUSION OF ALUMINUM FROM CORONAL REACTION TEXTURES
CARLSON, William D. and TEMENG, Abena F., Department of Geological Sciences, Univ of Texas at Austin, 1 University Station C1100, Austin, TX 78712, wcarlson@mail.utexas.edu, wcarlson@mail.utexas.edu
4
4:15 PM
NEW INSIGHTS INTO PROCESSES OF SYMPLECTITE FORMATION FROM HIGH-RESOLUTION X-RAY COMPUTED TOMOGRAPHY AND EBSD
GOERGEN, E.T. and WHITNEY, D.L., Department of Geology & Geophysics, University of Minnesota, 310 Pillsbury Dr. SE, Minneapolis, MN 55455, goer0074@umn.edu, goer0074@umn.edu
5
4:30 PM
EXPERIMENTAL INVESTIGATION OF THE GLAUCOPHANE-TREMOLITE MISCIBILITY GAP
JENKINS, David, Geological Sciences and Environmental Studies, Binghamton Univ, Binghamton, NY 13902-6000, dmjenks@binghamton.edu, dmjenks@binghamton.edu
6
4:45 PM
USING THE TI-IN-BIOTITE GEOTHERMOMETER TO INVESTIGATE THE THERMAL STRUCTURE OF THE CRUST DURING THE SEVIER OROGENY
DINKLAGE, William S., CALDER, William John and ST. CLAIR, Thane, Earth Science, Utah Valley State College, 800 W University Pkwy, Orem, UT 84058, dinklawi@uvsc.edu, dinklawi@uvsc.edu
7
5:00 PM
WHOLESALE TRANSFORMATION OF CONTINENTAL CRUST DURING UHP TECTONISM? GARNET GEOCHRONOLOGY OF THE WESTERN GNEISS REGION, NORWAY
PETERMAN, Emily M.1, HACKER, Bradley R.1 and BAXTER, Ethan F.2, (1)Earth Science, University of California, Santa Barbara, CA 93106, (2)Earth Sciences, Boston Univ, 685 Commonwealth Avenue, Boston, MA 02215, epeterman@umail.ucsb.edu, epeterman@umail.ucsb.edu
8
5:15 PM
ULTRAHIGH PRESSURE METAMORPHIC FLUID: EVIDENCE FROM SUBDUCTION ZONE MICRODIAMONDS
DOBRZHINETSKAYA, Larissa, Department of Earth Sciences, University of California at Riverside, Riverside, CA 92521, larissa@ucr.edu, larissa@ucr.edu
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