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GSA Annual Meeting, November 5-8, 2001

Session No. 89
Tuesday, 6 November 2001: 1:30 PM-5:30 PM

T5. Melt in the Crust and Upper Mantle: How Much, Where, for How Long, and What Significance for Geodynamics?

GSA Structural Geology and Tectonics Division; Mineralogical Society of America; Geochemical Society; GSA International Division

 

Tracy Rushmer, Greg Hirth, Michael Brown and George Bergantz, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
0
1:40 PM
A NEW VIEW OF SLAB WINDOW TECTONICS: IMPLICATIONS FOR CRUSTAL EVOLUTION AND VOLCANISM IN THE CALIFORNIA COAST RANGES
FURLONG, Kevin P., Geosciences, Penn State Univ, 542 Deike Building, University Park, PA 16802, kevin@geodyn.psu.edu, kevin@geodyn.psu.edu
0
1:55 PM
A MANTLE MELTING PROFILE ACROSS THE BASIN AND RANGE, SW USA
PLANK, Terry, Earth Sciences, Boston Univ, 685 Commonwealth Ave, Boston, MA 02215, WANG, Kefa, Geology, Univ of Kansas, 120 Lindley Hall, Lawrence, KS 66045, WALKER, J. Douglas, Univ Kansas, 120 Lindley Hall, Lawrence, KS 66045-2124 and SMITH, Eugene I., Geoscience, Univ Nevada - Las Vegas, PO Box 454010, Las Vegas, NV 89154-4010, tplank@bu.edu, tplank@bu.edu
0
2:10 PM
KEEPING OROGENS HOT: THE IMPORTANCE OF PROTRACTED MANTLE MELTING
COLLINS, William J., Univ Newcastle, Dept Geology, Newcastle, 2308, Australia, bill.collins@newcastle.edu.au, bill.collins@newcastle.edu.au
0
2:25 PM
SIMULTANEOUS MELTING AND FRACTURING OF THE LOWER CRUST, FIORDLAND, NEW ZEALAND
CLARKE, Geoffrey L1, DACZKO, Nathan R.1, KLEPEIS, Keith A.2 and STEVENSON, James A.1, (1)School of Geosciences, Univ of Sydney, NSW, Sydney, 2006, Australia, (2)Department of Geology, Univ of Vermont, Burlington, VT 05405, geoffc@mail.usyd.edu.au, geoffc@mail.usyd.edu.au
0
2:40 PM
PARTIAL MELTING OF A HORNBLENDE-BIOTITE-CLINOZOISITE BEARING METADIORITE: APPLICATIONS TO THE DEEP CRUST, FIORDLAND, NEW ZEALAND
ANTIGNANO IV, Angelo1, RUSHMER, Tracy1, DACZKO, Nathan R.2, CLARK, Geoff L.2, COLLINS, W. J.3 and KLEPEIS, Keith A.1, (1)Department of Geology, Univ. of Vermont, Burlington, VT 05405, (2)School of Geosciences, Univ. of Sydney, Sydney, 2006, Australia, (3)School of Geosciences, Univ. of Newcastle, Newcastle, 2308, Australia, aantigna@zoo.uvm.edu, aantigna@zoo.uvm.edu
0
2:55 PM
LINKING PERCOLATIVE MELT TRANSPORT TO CHANNELED MELT TRANSPORT IN THE CRUST
MARCHILDON, Nathalie and BROWN, Michael, Laboratory for Crustal Petrology, Univ of Maryland, Department of Geology, College Park, MD 20742-4211, nathalie@geol.umd.edu, nathalie@geol.umd.edu
0
3:10 PM
CONTROLS ON MELT SEGREGATION AND MIGRATION: EVIDENCE FROM MIGMATITES BENEATH THE BUSHVELD COMPLEX, SOUTH AFRICA
JOHNSON, Timothy E, Institut für Mineralogie und Petrologie, Karl-Franzens Universität, Universitätsplatz 2, Graz, 8010, Austria, timothy.johnson@kfunigraz.ac.at, timothy.johnson@kfunigraz.ac.at
 
3:25 PM
Break
0
3:40 PM
THE IMPORTANCE OF DEFORMATION IN SEGREGATION OF MELT FROM QUARTZO-FELDSPATHIC ROCKS
HOLNESS, Marian B., Dept of Earth Sciences, Univ of Cambridge, Downing Street, Cambridge, CB2 3EQ, United Kingdom, marian@esc.cam.ac.uk, marian@esc.cam.ac.uk
0
3:55 PM
TEXTURAL CONSTRAINTS ON MELT MIGRATION PROCESSES IN THE OCEANIC CRUST
HIRTH, Greg, DICK, Henry and KELEMEN, Peter, Department of Geology and Geophysics, Woods Hole Oceanographic Institute, Woods Hole, MA 02543, ghirth@whoi.edu, ghirth@whoi.edu
0
4:10 PM
RELATIONSHIPS BETWEEN EXTENSIONAL DEFORMATION AND ANATEXIS IN COLLISIONAL OROGENS
HODGES, K. V., WHITE, A. P. and VISKUPIC, K. M., Earth, Atmospheric, and Planetary Sciences, MIT, 54-1120, MIT, Cambridge, MA 02139, kvhodges@mit.edu, kvhodges@mit.edu
0
4:25 PM
COUPLING OF SHEAR ZONES AND MAGMA ASCENT: A REVIEW OF THE OLIGOCENE MAGMATISM IN THE ALPS
ROSENBERG, Claudio L., Institute of Geology, Freie Universitaet Berlin, Malteserstrasse 74-100, Berlin, 12249, Germany, cla@zedat.fu-berlin.de, cla@zedat.fu-berlin.de
0
4:40 PM
GENERATION OF LEUCOGRANITES BY SHEAR-HEATING DURING THRUSTING
NABELEK, Peter I., Geological Sciences, Univ of Missouri-Columbia, 101 Geological Sciences Bldg, Columbia, MO 65211, LIU, Mian, Geological Sciences, Univ of Missouri-Columbia, Columbia, MO 65211 and SIRBESCU, Mona C., Geology, Central Michigan Univ, Mt. Pleasant, MI 48859, nabelekp@missouri.edu, nabelekp@missouri.edu
0
4:55 PM
GRANITE FORMATION DURING INTERACTION OF MAFIC MAGMAS AND MIGMATITIC ROCKS, HELGELAND NAPPE COMPLEX, NORWEGIAN CALEDONIDES
BARNES, Calvin G.1, YOSHINOBU, Aaron S.1, NORDGULEN, Oystein2 and PRESTVIK, Tore3, (1)Department of Geosciences, Texas Tech Univ, Lubbock, TX 79409-1053, (2)Norwegian Geol Survey, Trondheim, N-7491, Norway, (3)Dept. of Geology and Mineral Resources Engineering, NTNU, Trondheim, N-7491, Norway, Cal.Barnes@ttu.edu, Cal.Barnes@ttu.edu
0
5:10 PM
MODELING STRAIN RATES AROUND RAPIDLY GROWING PLUTONS
JOHNSON, Scott E.1, GERBI, Christopher C.1 and PATERSON, Scott R.2, (1)Geological Sciences, Univ of Maine, 5790 Bryand Center, Orono, ME 04469-5790, (2)Earth Sciences, Univ of Southern California, Los Angeles, CA 90089-0740, johnsons@maine.edu, johnsons@maine.edu
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