2002 Denver Annual Meeting (October 27-30, 2002)

Session No. 214
Wednesday, 30 October 2002: 8:00 AM-12:00 PM

T121. Tackling Transpression and Transtension in Orogenesis: Tools of Structural Geology from Microfabric to Tectonic Reconstruction

GSA Structural Geology and Tectonics Division

 

M.A. Edwards, Nicholas W. Hayman and John Dewey, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
1
8:15 AM
FAULT BLOCK ROTATION IN TRANSTENSION
DEWEY, John F., Geology, UC Davis, One Shields Avenue, Davis, CA 95616, dewey@geology.ucdavis.edu, dewey@geology.ucdavis.edu
2
8:35 AM
NEOTECTONICS AND ACTIVE TECTONICS OF SIERRAN-NORTH AMERICA TRANSTENSION, COSO RANGE, CALIFORNIA
LEWIS, Jonathan C., Geosciences, Univ of Massachusetts, Morrill Science Center, 611 North Pleasant Street, Amherst, MA 01003-9297, TWISS, Robert J., Univ California - Davis, 1 Shields Ave, Davis, CA 95616-8605, PLUHAR, Christopher J., Earth Sciences Dept, Univ of California, 1156 High St, Santa Cruz, CA 95064-1077 and UNRUH, Jeffrey R., Lettis & Assoc., Inc, 1777 Botelho Dr., Suite 262, Walnut Creek, CA 94596, lewis@geo.umass.edu, lewis@geo.umass.edu
3
8:50 AM
QUANTIFYING TRANSTENSION: DIFFERENTIAL SUBSIDENCE AND ROTATION OF EXTENSIONAL FAULT BLOCKS IN THE DEVELOPMENT OF PULL-APART BASINS, CANADIAN APPALACHIANS
WALDRON, John W.F., Earth and Atmospheric Sciences, Univ of Alberta, ESB 1-26, University of Alberta, Edmonton, AB T6G 2E3, Canada, john.waldron@ualberta.ca, john.waldron@ualberta.ca
4
9:05 AM
Withdrawn
5
9:20 AM
CONTRIBUTION OF DUCTILE THINNING TO THE EXHUMATION OF THE OTAGO SCHIST, NEW ZEALAND
DECKERT, Hagen1, BRANDON, Mark T.2, RING, Uwe1, MORTIMER, Nick3 and WOHLERS, Anke1, (1)Institute for Geosciences, Johannes Gutenberg-Universit├Ąt Mainz, Becherweg 21, Mainz, 55099, Germany, (2)Department of Geology and Geophysics, Yale Univ, P.O. Box 208109, 210 Whitney Avenue, New Haven, CT 06520-8109, (3)Institute of Geol and Nuclear Sciences, Private Bag 1930, Dunedin, New Zealand, mark.brandon@yale.edu, mark.brandon@yale.edu
 
9:35 AM
Discussion
 
9:50 AM
Introduction to Posters
 
10:05 AM
Break
6
10:20 AM
INTEGRATING DATA FROM LOW AND HIGH STRAIN DOMAINS TO EVALUATE PARTITIONING AND CONSTRAIN 3-D KINEMATICS
GOODWIN, Laurel B., Earth & Environmental Science, New Mexico Tech, Socorro, NM 87801 and TIKOFF, Basil, Geology & Geophysics, Univ of Wisconsin-Madison, 1214 W. Dayton St, Madison, WI 53706, lgoodwin@nmt.edu, lgoodwin@nmt.edu
7
10:40 AM
STRAIN GRADIENTS IN ATTACHMENT ZONES DEVELOPED IN WRENCH, TRANSPRESSION, AND TRANSTENSION ZONES
TEYSSIER, Christian and CRUZ, Leonardo, Geology & Geophysics, Univ of Minnesota, Minneapolis, MN 55455, cruz0031@umn.edu, cruz0031@umn.edu
8
10:55 AM
SHEAR ZONE ASSOCIATED FOLDS: READING RECORDS OF FLOW IN NATURAL SHEAR ZONES
ALSOP, G.I., School of Geography & Geosciences, Crustal Geodynamics Group, University of St. Andrews, Fife, KY16 9ST, United Kingdom and HOLDSWORTH, R.E., Reactivation Research Group, Department of Geol Sciences, University of Durham, Durham, DH1 3LE, United Kingdom, gia@st-andrews.ac.uk, gia@st-andrews.ac.uk
 
11:10 AM
Discussion
9
11:25 AM
COUPLING OF THE CRUST AND MANTLE IN TRANSPRESSIONAL SYSTEMS
TIKOFF, Basil1, GIORGIS, Scott1 and LITTLE, Timothy2, (1)Univ of Wisconsin, 1215 W. Dayton St, Madison, WI 53706, (2)School of Earth Sciences, Victoria Univ, P.O. Box 600, Wellington, 6000, New Zealand, basil@geology.wisc.edu, basil@geology.wisc.edu
10
11:45 AM
TRICLINIC TRANSPRESSION AND CRUSTAL MELTING: INTERACTIONS BETWEEN DEFORMATION AND MELT TRANSFER IN A LOWER CRUSTAL SHEAR ZONE
MARCOTTE, Stephen B., Department of Geology, Univ of Vermont, Perkins Hall, Burlington, VT 05405, KLEPEIS, Keith A., Department of Geology, Univ. of Vermont, Burlington, VT 05405, CLARKE, Geoff L., School of Geosciences, The Univ of Sydney, Sydney, Australia and HOLLIS, Julie, Material Division, ANSTO, Lucas Heights Sci & Technology Centre, Australia, smarcott@zoo.uvm.edu, smarcott@zoo.uvm.edu
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