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

Session No. 189
Tuesday, 18 October 2005: 1:30 PM-5:30 PM

T145. The Nature, Significance, and Evolution of Transtensional Tectonic Regimes

GSA Structural Geology and Tectonics Division

 

Robert E. Holdsworth, Basil Tikoff and John Waldron, Advocates
Paper #
Start Time
1
1:30 PM
TRANSTENSION: KINEMATICS AND SCALE
DEWEY, John F., Geology, UC Davis, One Shields Avenue, Davis, CA 95616, dewey@geology.ucdavis.edu, dewey@geology.ucdavis.edu
2
1:50 PM
CRUSTAL ANISOTROPY, STRAIN LOCALIZATION, AND THE DEVELOPMENT OF TRANSTENSIONAL STRAIN PARTITIONING IN THE CENTRAL WALKER LANE, WESTERN GREAT BASIN
OLDOW, John S., Geological Sciences, Univ of Idaho, Moscow, ID 83844-3022, oldow@uidaho.edu, oldow@uidaho.edu
3
2:10 PM
GRAPHICAL METHOD TO RELATE KINEMATIC VORTICITY, VELOCITY, AND INCREMENTAL STRAIN WITHIN PLANE AND NONPLANE CONDITIONS: EXAMPLE FROM THE TRANSTENSIONAL WALKER LANE BELT, WESTERN GREAT BASIN
MURPHY, Justin J., Department of Geology, Washington State University, Pullman, WA 99164-2812, WATKINSON, A. John, Department of Geology, Washington State Univ, Pullman, WA 99164 and OLDOW, John S., Geological Sciences, Univ of Idaho, Moscow, ID 83844-3022, murphywsu@hotmail.com, murphywsu@hotmail.com
4
2:25 PM
TWO STYLES OF ACTIVE, TRANSTENSIONAL DEFORMATION ALONG THE WESTERN NORTH AMERICA-CARIBBEAN PLATE BOUNDARY ZONE
ROGERS, Robert D.1, MANN, Paul2, DEMETS, Charles3, TENORIO, Carlos4 and RODRIGUEZ, Manuel4, (1)Department of Geology, University of Puerto Rico Mayagüez, PO Box 9017, Mayagüez, PR 00681, (2)Institute for Geophysics, Univ of Texas at Austin, 4412 Spicewood Springs Road #600, Austin, TX 78759-8500, (3)Department of Geology and Geophysics, University of Wisconsin-Madison, Madison, WI 53706, (4)Departamento de Física, Sección de Geofísica, Universidad Nacional Autónoma de Honduras, Tegucigalpa, Honduras, rrogers@uprm.edu, rrogers@uprm.edu
5
2:40 PM
Withdrawn
6
2:55 PM
NORMAL FAULTS AND ROTATING BLOCKS IN TRANSTENSIONAL BASINS
WALDRON, John W.F., Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2E3, Canada, john.waldron@ualberta.ca, john.waldron@ualberta.ca
7
3:10 PM
THE NATURE AND CONSEQUENCES OF STRAIN PARTITIONING DURING OBLIQUE EXTENSION
DE PAOLA, N.1, HOLDSWORTH, R.E.2, MCCAFFREY, K.J.W.2 and BARCHI, M.R.1, (1)GSG, Dipartimento di Scienze della Terra, University of Perugia (Italy), P.zza Università 1, Peugia, 06100, Italy, (2)RRG, Earth Sciences Department, University of Durham, South Road, Durham, DH1 3LE, United Kingdom, depaola@unipg.it, depaola@unipg.it
8
3:30 PM
THE MANY FACETS OF TRANSTENSION, FROM OBLIQUE RIFTING TO OBLIQUE OROGENIC COLLAPSE
TEYSSIER, Christian, Geology & Geophysics, Univ of Minnesota, Minneapolis, MN 55455, teyssier@umn.edu, teyssier@umn.edu
9
3:45 PM
CONVERGENCE, COLLISION AND THE FORMATION OF CONTINENTAL TRANSFORMS: IMPLICATIONS FOR THE DEVELOPMENT OF TRANSTENSIONAL DOMAINS
ANDERSON, Thomas H., Geology and Planetary Science, Univ of Pittsburgh, Pittsburgh, PA 15260, taco@imap.pitt.edu, taco@imap.pitt.edu
10
4:00 PM
TIME-VARIABLE FAULTING BEHAVIOR AT AN OBLIQUE SPREADING CENTER, SOUTHWEST ICELAND
KATTENHORN, Simon A., ConocoPhillips Company, 600 N. Dairy Ashford, Houston, TX 77079 and CLIFTON, Amy E., Earth Sciences Institute, University of Iceland, Askja, Sturlugata 7, Reykjavik, 101, Iceland, Simon.A.Kattenhorn@conocophillips.com, Simon.A.Kattenhorn@conocophillips.com
11
4:15 PM
THE IMPORTANCE OF MAGMATIC PERIODICITY FOR FAULT EVOLUTION AT AN OBLIQUE SPREADING CENTER
FERNANDES, Leslie C., Geological Sciences, University of Idaho, PO Box 443022, Moscow, ID 83844-3022 and KATTENHORN, Simon A., ConocoPhillips Company, 600 N. Dairy Ashford, Houston, TX 77079, fern2634@uidaho.edu, fern2634@uidaho.edu
12
4:30 PM
MID-CRUSTAL TRANSTENSION AND ITS RELATIONSHIP TO ARC MAGMATISM AND RHEOLOGICAL HETEROGENEITY IN AN ANCIENT OROGEN
KLEPEIS, Keith, Geology, Univ of Vermont, Burlington, VT 05405, CRAWFORD, Maria Luisa, Dept. of Geology, Bryn Mawr College, Bryn Mawr, PA 19010 and GEHRELS, George, Department of Geosciences, University of Arizona, Gould-Simpson Building #77, Tucson, AZ 85721, kklepeis@uvm.edu, kklepeis@uvm.edu
13
4:45 PM
DIFFERENTIAL STRAIN RATE AS A MECHANISM FOR THE FORMATION OF DETACHMENT FAULT CORRUGATIONS AND THE EXHUMATION OF UHP ROCKS: A CASE STUDY FROM WESTERN NORWAY
JOHNSTON, Scott M., Department of Geological Sciences, Univ of California, Santa Barbara, UC Santa Barbara—Building 526, Santa Barbara, CA 93106 and HACKER, Bradley R., Geological Sciences, Univ of California, Santa Barbara, 93106-9630, johnston@umail.ucsb.edu, johnston@umail.ucsb.edu
14
5:00 PM
THE ROLE OF FAULT REACTIVATION AND GROWTH IN THE UPLIFT OF WESTERN FENNOSCANDIA ~ THE 'GHOST' OF THE MESOZOIC
REDFIELD, T.F.1, OSMUNDSEN, P.T.2 and HENDRIKS, B.W.H.2, (1)Geodynamics, Royal Geological Survey of the Kingdom of Norway, Leiv Eirikssons vei 39, Trondheim, 7491, Norway, (2)Crustal Processes, Royal Geological Survey of the Kingdom of Norway, Leiv Eirikssons vei 39, Trondheim, N-7491, Norway, tim.redfield@ngu.no, tim.redfield@ngu.no
15
5:15 PM
TRANSTENSIONAL DEFORMATION OF THE LOWER CONTINENTAL CRUST, ARUNTA BLOCK, CENTRAL AUSTRALIA
WATERS-TORMEY, Cheryl, Department of Geosciences and Natural Resources Management, Western Carolina University, Cullowhee, NC 28723 and TIKOFF, Basil, Department of Geology and Geophysics, Univ of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53706, basil@geology.wisc.edu, basil@geology.wisc.edu
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