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2003 Seattle Annual Meeting (November 2–5, 2003)

Session No. 150
Tuesday, 4 November 2003: 8:00 AM-12:00 PM

T140. Modeling Metamorphism: Petrology, Geochemistry, and Tectonics II

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

 

Michael Brown and Barbara L. Dutrow, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
1
8:05 AM
COLD FINGERS IN A HOT MAGMA: NUMERICAL SIMULATION OF COUNTRY-ROCK DIAPIRS IN THE BUSHVELD COMPLEX, SOUTH AFRICA
GERYA, Taras1, UKEN, Ron2, REINHARDT, Jürgen2, WATKEYS, Michael2, MARESCH, Walter1 and CLARKE, Brendan3, (1)Institute for Geology, Mineralogy and Geophysics, Ruhr-Univ Bochum, Bochum, 44780, Germany, (2)School of Geological and Computer Science, Univ of Natal, Durban, 4041, South Africa, (3)Council for Geoscience, P.O. Box 900, Pietermaritzburg, 3200, South Africa, Taras.Gerya@Ruhr-Uni-Bochum.De, Taras.Gerya@Ruhr-Uni-Bochum.De
2
8:25 AM
MODELING MIGMATITIC METAPELITES FROM DOMES IN THE BUSHVELD COMPLEX, SOUTH AFRICA: EVIDENCE FOR MELT-ASSISTED DIAPIRISM
JOHNSON, Tim and BROWN, Michael, Laboratory for Crustal Petrology, Univ of Maryland, Department of Geology, College Park, MD 20742-4211, timj@geol.umd.edu, timj@geol.umd.edu
3
8:45 AM
THE ROLE OF MINERAL TEXTURES ON MIGMATITE FORMATION
WHITE, Richard W. and POWELL, Roger, School of Earth Sciences, Univ of Melbourne, Melbourne, 3010, r.white@earthsci.unimelb.edu.au, r.white@earthsci.unimelb.edu.au
4
9:00 AM
METAMORPHIC HEATING RATES IN CONTACT AUREOLES: CONSEQUENCES OF INTRUSION DEPTH AND SIZE, GEOTHERMAL GRADIENT AND HOST ROCK PERMEABILITY
DUTROW, Barbara L.1, FOSTER Jr, C.T.2, GABLE, C.W.3 and TRAVIS, B.J.3, (1)Dept. Geology & Geophysics, Louisiana State Univ, Baton Rouge, LA 70803, (2)Dept. of Geoscience, Univ of Iowa, Iowa City, IA 52242-1379, (3)Earth & Environmental Sciences, Los Alamos National Lab, Los Alamos, NM 87545, dutrow@lsu.edu, dutrow@lsu.edu
5
9:15 AM
THE RELATION OF MULTI-MINERAL CRYSTAL SIZE DISTRIBUTIONS TO RATES OF TEMPERATURE CHANGE DURING METAMORPHISM
FOSTER Jr, C.T., Dept. of Geoscience, Univ of Iowa, Iowa City, IA 52242-1379 and DUTROW, Barbara L., Dept. Geology & Geophysics, Louisiana State Univ, Baton Rouge, LA 70803, tom-foster@uiowa.edu, tom-foster@uiowa.edu
6
9:35 AM
P-T PSEUDOSECTION MODELING OF MINERAL ASSEMBLAGE STABILITY AND COMPOSITIONS FOR A MINERALOGICALLY SIMPLE PELITE: THE IMPORTANCE OF FINDING THE EFFECTIVE BULK COMPOSITION
TINKHAM, Douglas K., Geology and Geophysics, Univ of Calgary, 2500 University Dr NW, Calgary, AB T2N 1N4 and GHENT, Edward D., Univ Calgary, 2500 University Dr NW, Calgary, AB T2N 1N4, tinkham@ucalgary.ca, tinkham@ucalgary.ca
 
9:50 AM
Break
7
10:05 AM
SIMULATION OF DIFFUSIVE TRANSFER IN POLYCRYSTALLINE ROCKS USING A HYBRID DATA STRUCTURE: A TEST FOR GARNET-BIOTITE EXCHANGE REACTION
PARK, Youngdo1, PARK, Dal1, REE, Jin-Han2, EVANS, Lynn3 and JESSELL, Mark4, (1)Dept. Earth and Environmental Sciences, Korea Univ, 5-1 Anam-dong, Sungbuk-ku, Seoul, 136-701, South Korea, (2)Dept. Earth and Environmental Sciences, Korea Univ, 5-1 Anam-dong, Sungbuk-ku, Seoul, 136-701, (3)School of Earth Sciences, Univ of Melbourne, Melbourne, Australia, (4)Pe'trophysique, Tectonique et Ge'omorphologie, Universite Paul-Sabatier, Toulouse, 31400, France, reejh@korea.ac.kr, reejh@korea.ac.kr
8
10:20 AM
TOURMALINE AS A GEOCHEMICAL TAPE RECORDER IN METAMORPHIC ROCKS
HENRY, Darrell J., Geology and Geophysics, Louisiana State Univ, Baton Rouge, LA 70803, dhenry@geol.lsu.edu, dhenry@geol.lsu.edu
9
10:40 AM
OXYGEN ISOTOPE THERMOMETRY AND THE EXTRACTION OF PROGRADE MINERAL GROWTH IN POLYMETAMORPHIC ROCKS, AN EXAMPLE FROM THE TRUCHAS MOUNTAINS, NEW MEXICO
LARSON, Toti E., Dept. of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131 and SHARP, Zachary D., Dept. of Earth and Planetary Sciences, Univ of New Mexico, Albuquerque, NM 87131, larson@unm.edu, larson@unm.edu
10
10:55 AM
APATITE AS A MONITOR OF VOLATILE ACTIVITY IN METAMORPHISM: THE HP/UHT BARRO-ALTO COMPLEX, GOIAS, BRAZIL AS AN EXAMPLE
PICCOLI, Philip1, BROWN, Michael1, MORAES, Renato2 and FUCK, Reinhardt3, (1)Laboratory for Crustal Petrology, Univ of Maryland, Department of Geology, College Park, MD 20742-4211, (2)Department of Geology, Federal Univ of Rio de Janeiro, Ilha do Fundão, CEP: 21.949-900, Rio de Janeiro, Brazil, (3)Instituto de Geociências, Universidade de Brasília, Brasília, DF, 70910-90, Brazil, piccoli@geol.umd.edu, piccoli@geol.umd.edu
11
11:10 AM
REACTION-INFILTRATION FEEDBACK IN METAMORPHISM: THEORY AND EXAMPLES
DIPPLE, Gregory M., Earth and Ocean Sciences, Univ British Columbia, 6339 Stores Rd, Vancouver, BC V6T 1Z4, Canada, dipple@eos.ubc.ca, dipple@eos.ubc.ca
12
11:25 AM
DECIDING WHAT REACTION RATE TO USE IN YOUR MODEL
BAXTER, Ethan F., Earth Sciences, Boston Univ, 685 Commonwealth Ave, Boston, MA 02215, efb@bu.edu, efb@bu.edu
13
11:40 AM
GENESIS OF REPLACIVE BURIAL DOLOMITE AND OF DISPLACIVE ZEBRA AND BRECCIA VEINS VIA THE INDUCED STRESS: A PARADIGM FOR METASOMATISM
MERINO, Enrique, Geology, Indiana Univ, Bloomington, IN 47405, CANALS, Àngels, Dept. Cristal.lografía, Mineralogia i Dipòsits Minerals; Facultat de Geologia, Univ of Barcelona, c/ Martí i Franqués s/n, 08028 Barcelona, Spain and FLETCHER, Raymond C., Geosciences, PennState, 335 Deike Bldg, University Park, PA 16802, merino@indiana.edu, merino@indiana.edu
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