2005 Salt Lake City Annual Meeting (October 16–19, 2005)

Session No. 56
Sunday, 16 October 2005: 1:30 PM-5:30 PM

T148. What is a Magma Chamber? The Role of Sheets in the Assembly of Intrusions I

GSA Structural Geology and Tectonics Division

 

Sven Morgan, Basil Tikoff and Drew S. Coleman, Advocates
Paper #
Start Time
1
1:30 PM
INTERACTION BETWEEN MAGMA INPUT AND PRECIPITATION IN THE GROWTH OF LARGE MAGMA CHAMBERS
GLAZNER, Allen F., Dept. of Geological Sciences, University of North Carolina, CB# 3315, Chapel Hill, NC 27599 and WOHLETZ, Kenneth H., Earth and Environmental Sciences, Los Alamos National Lab, PO Box 1663, Los Alamos, NM 87545-0001, afg@unc.edu, afg@unc.edu
2
1:50 PM
MAGMA CHAMBER PROCESSES AND GEOMETRIES
MCCAFFREY, Ken, Earth Sciences, University of Durham, Durham, DH1 3LE, United Kingdom, PETFORD, Nick, Centre for Earth and Environmental Science Research, Kingston University, Penrhyn Road, Kingston-Upon-Thames, Surrey, KT1 2EE, United Kingdom and DAVIDSON, Jon, Earth Sciences, Durham University, Durham, DH1 3LE, United Kingdom, k.j.w.mccaffrey@durham.ac.uk, k.j.w.mccaffrey@durham.ac.uk
3
2:05 PM
MAGMA CHAMBERS AS INTERCONNECTED SILLS STACKED INTO MUSH COLUMNS
MARSH, Bruce, Earth & Planetary Sciences, Johns Hopkins Univ, Baltimore, MD 21218, bmarsh@jhu.edu, bmarsh@jhu.edu
4
2:25 PM
CONSTRUCTION OF PLUTONS BY HORIZONTAL DEPOSITIONAL AND INTRUSIVE SHEETS
MILLER, Calvin F.1, WALKER, Barry A.1, LOWERY, Lily E.1, MILLER, Jonathan S.2, BLEICK, Heather A.1, FAULDS, James E.3, FURBISH, David J.1 and KOTEAS, G. Christopher1, (1)Earth and Environmental Sciences, Vanderbilt University, Nashville, TN 37235, (2)Dept. of Geology, San Jose State Univ, San Jose, CA 95192-0102, (3)Nevada Bureau of Mines and Geology, University of Nevada Reno, Reno, NV 89557, calvin.miller@vanderbilt.edu, calvin.miller@vanderbilt.edu
5
2:40 PM
FLUID-MECHANICAL INSIGHTS ON GRAVITY-DRIVEN INTRUSION OF MAFIC MAGMA INTO A FELSIC HOST: DEVELOPMENT OF MAFIC-FELSIC LAYERING PUNCTUATED BY FELSIC “PIPES”
FURBISH, David Jon1, BLEICK, Heather A.2 and MILLER, Calvin F.2, (1)Earth and Environmental Sciences and Civil and Environmental Engineering, Vanderbilt University, VU Station B #351805, 2301 Vanderbilt Place, Nashville, TN 37235-1805, (2)Earth and Environmental Sciences, Vanderbilt University, VU Station B #351805, 2301 Vanderbilt Place, Nashville, TN 37235-1805, david.j.furbish@vanderbilt.edu, david.j.furbish@vanderbilt.edu
6
2:55 PM
CHARACTERISTICS OF VERTICALLY SHEETED ARC PLUTONS
MILLER, Robert B., Department of Geology, San Jose State Univ, San Jose, CA 95192-0102 and PATERSON, Scott R., Department of Earth Sciences, Univ of Southern California, Los Angeles, CA 90089-0740, rmiller@geosun.sjsu.edu, rmiller@geosun.sjsu.edu
7
3:10 PM
VOLCANIC RECORD OF BATHOLITH ASSEMBLY: THE AUCANQUILCHA VOLCANIC CLUSTER, NORTHERN CHILEAN ANDES
GRUNDER, Anita L., Dept. of Geosciences, Oregon State University, Corvallis, OR 97331 and KLEMETTI, Erik W., Dept. of Earth and Space Sciences, University of Washington, Seattle, WA 98195, grundera@geo.oregonstate.edu, grundera@geo.oregonstate.edu
8
3:30 PM
TOMOGRAPHY OF CRUSTAL MAGMA BODIES
LEES, Jonathan M., Department of Geological Sciences, Univ of North Carolina, Chapel Hill, NC 27599, jonathan_lees@unc.edu, jonathan_lees@unc.edu
 
3:50 PM
Break
9
4:05 PM
TIMESCALES OF INCREMENTAL PLUTON GROWTH: THEORY AND A FIELD-BASED TEST
CRUDEN, Alexander R.1, GROCOTT, John2, MCCAFFREY, Kenneth J.W.3 and DAVIS, Donald D.1, (1)Dept. of Geology, University of Toronto, 22 Russell St, Toronto, ON M5S 3B1, Canada, (2)School of Geological Sciences and Geography, Kingston University, Centre for Earth and Environmental Science Research, Kingston-upon-Thames, KT1 2EE, United Kingdom, (3)Dept. of Geological Sciences, University of Durham, Durham, DH1 3LE, United Kingdom, cruden@geology.utoronto.ca, cruden@geology.utoronto.ca
10
4:20 PM
EVALUATING PLUTON GROWTH MODELS USING HIGH RESOLUTION GEOCHRONOLOGY: TUOLUMNE INTRUSIVE SUITE, SIERRA NEVADA, CA
MATZEL, Jennifer1, MUNDIL, Roland1, PATERSON, Scott2, RENNE, Paul1 and NOMADE, Sebastien3, (1)Berkeley Geochronology Ctr, 2455 Ridge Rd, Berkeley, CA 94709-1211, (2)Dept. of Earth Sciences, Univ of Southern California, 3651 Trousdale Ave, Los Angeles, CA 90089-0740, (3)Berkeley Geochronology Ctr, 2455 Ridge Rd, Berkeley, CA 94709, jmatzel@bgc.org, jmatzel@bgc.org
11
4:35 PM
NEW CONSTRAINTS ON THE GEOMETRY OF MAFIC SHEETS AND DIKES FROM A GRAVITY SURVEY OF THE VINALHAVEN PLUTON, MAINE
PRIMM, Skylar, Department of Geology and Geophysics, University of Wisconsin, 1215 W. Dayton Street, Madison, WI 53706, MARKLEY, Michelle, Earth and Environment, Mount Holyoke College, 50 College Street, South Hadley, MA 01075 and WIEBE, Robert A., Geosciences, Franklin and Marshall College, Lancaster, PA 17604-3003, mmarkley@mtholyoke.edu, mmarkley@mtholyoke.edu
12
4:50 PM
SHEET-LIKE CONSTRUCTION AND WALL ROCK DEFORMATION SURROUNDING THE TRACHYTE MESA LACCOLITH, HENRY MTS., UTAH
MORGAN, Sven S., Department of Geology, Central Michigan University, Brooks Hall, Mt. Pleasant, MI 48859, HORSMAN, Eric, Dept. of Geology & Geophysics, Univ. of Wisconsin, Madison, WI 53706, TIKOFF, Basil, Department of Geology and Geophysics, Univ of Wisconsin - Madison, 1215 W. Dayton Street, Madison, WI 53706 and DE SAINT-BLANQUAT, Michel, Univ P Sabatier, 38 Rue Des Trente-Six-Ponts, Toulouse, 31400, France, sven.morgan@cmich.edu, sven.morgan@cmich.edu
13
5:05 PM
SHAPE EVOLUTION AND FABRIC DEVELOPMENT DURING PROGRESSIVE GROWTH OF SHEETED IGNEOUS INTRUSIONS, HENRY MOUNTAINS, SOUTHERN UTAH
HORSMAN, Eric1, MORGAN, Sven2, DE SAINT-BLANQUAT, Michel3, HABERT, Guillaume3 and TIKOFF, Basil4, (1)Dept. of Geology & Geophysics, Univ. of Wisconsin, Madison, WI 53706, (2)Dept. of Geology, Central Michigan University, Mt. Pleasant, MI 48859, (3)Laboratoire des Mécanismes de Transfert en Géologie, Obs. Midi-Pyrénées/Un. Paul Sabatier, 14 av. Edouard-Belin, Toulouse, 31400, France, (4)Department of Geology and Geophysics, Univ of Wisconsin - Madison, 1215 W. Dayton Street, Madison, WI 53706, eric@geology.wisc.edu, eric@geology.wisc.edu
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