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

Session No. 112
Monday, 3 November 2003: 1:30 PM-5:30 PM

T145. The Washington Cascades: An Integrated Perspective on 100 Million Years of Orogenesis, Magmatism, and Surface Processes

GSA Geophysics Division; GSA Structural Geology and Tectonics Division

 

Peter W. Reiners and Donna L. Whitney, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1
1:45 PM
GEOPHYSICAL CONSTRAINTS ON THE DEEP STRUCTURE OF THE WASHINGTON CASCADES, AND TECTONIC IMPLICATIONS
CROSSON, Robert S., Earth and Space Sciences, Univ of Washington, Box 351310, Seattle, WA 98195-1310, crosson@ess.washington.edu, crosson@ess.washington.edu
2
2:05 PM
CRETACEOUS AND PALEOGENE TECTONIC EVOLUTION OF THE CRYSTALLINE CORE OF THE NORTH CASCADES
MILLER, Robert B., Dept. of Geology, San Jose State Univ, San Jose, CA 95192-0102, PATERSON, Scott R., Department of Earth Sciences, Univ of Southern California, Los Angeles, CA 90089-0740, MATZEL, Jennifer P., Dept. of EAPS, MIT, Cambridge, MA 02139 and WHITNEY, Donna L., Geology & Geophysics, Univ of Minnesota, Minneapolis, MN 55455, rmiller@geosun.sjsu.edu, rmiller@geosun.sjsu.edu
3
2:25 PM
Nd ISOTOPIC SIGNATURES OF GRANITOID PLUTONS ACROSS THE CRYSTALLINE CORE OF THE NORTH CASCADES, WASHINGTON: IMPLICATIONS FOR THE TECTONIC EVOLUTION OF A MAGMATIC ARC
MATZEL, Jennifer, Earth, Atmospheric, and Planetary Sciences, MIT, 77 Massachussetts Ave, Cambridge, MA 02139, BOWRING, Samuel, EARTHTIME, 77 Moss Ave, MIT54-1120, Cambridge, MA 02139 and MILLER, Robert, Dept. of Geology, San Jose State Univ, San Jose, CA 95192-0102, jpmatzel@MIT.EDU, jpmatzel@MIT.EDU
4
2:40 PM
APPLICATION OF QUANTITATIVE METAMORPHIC PRESSURE-TEMPERATURE-TIME PATHS FOR DEVELOPING TECTONIC MODELS, NORTH CASCADES WA
STOWELL, Harold1, TINKHAM, Doug2, ZULUAGA, Carlos1 and STEIN, Ellen1, (1)Department of Geological Sciences, Univ of Alabama, Box 870338, Tuscaloosa, AL 35487-0338, (2)Department of Geology and Geophysics, Univ of Calgary, Calgary, AB, Canada, hstowell@wgs.geo.ua.edu, hstowell@wgs.geo.ua.edu
5
2:55 PM
PALEOMAGNETISM OF THE NORTH CASCADES: DISPLACEMENT AND DEFORMATION IN SPACE AND TIME
HOUSEN, Bernard A., GOELZENLEUCHTER, Michelle, GREISLER, James R., HALL, T. Mike and SPRINGER, Kellen, Geology Dept, Western Washington Univ, 516 High St, Bellingham, WA 98225-9080, bernieh@cc.wwu.edu, bernieh@cc.wwu.edu
6
3:10 PM
THE NORTH CASCADES: THE END OF THE OROGEN AND THE END OF OROGENY
WHITNEY, Donna L., Geology & Geophysics, Univ of Minnesota, Minneapolis, MN 55455, dwhitney@umn.edu, dwhitney@umn.edu
 
3:25 PM
Discussion
7
3:40 PM
THE HYDROGEN ISOTOPE RECORD OF DETACHMENT MYLONITES: A NEW METHOD FOR RECONSTRUCTING PALEOELEVATIONS OF ERODED OROGENS
MULCH, Andreas1, TEYSSIER, Christian2, COSCA, Mike3, VANDERHAEGHE, Olivier4 and VENNEMANN, Torsten1, (1)Institute of Mineralogy and Geochemistry, Univ of Lausanne, BFSH-2, Lausanne, 1015, Switzerland, (2)Geology & Geophysics, Univ of Minnesota, Minneapolis, MN 55455, (3)Institute of Mineralogy and Geochemistry, Univ of Lausanne, Bfsh-2, Lausanne, 1015, Switzerland, (4)UMR 7566 G2R, Université Henri Poincaré Nancy 1, BP 239, Vandoeuvre-lès-Nancy Cedex, 54506, France, andreas.mulch@img.unil.ch, andreas.mulch@img.unil.ch
8
3:55 PM
CENOZOIC DEFORMATION AND EXHUMATION OF THE COAST MOUNTAINS, MT. WADDINGTON REGION
RUSMORE, M.E.1, FARLEY, K.A.2, BOGUE, S.W.1, EHLERS, T.A.3, WOODSWORTH, G.J.4, DURA, C.1 and CHAU, P.1, (1)Geology, Occidental College, 1600 Campus Rd, Los Angeles, CA 90041, (2)Geological and Planetary Sciences, California Institute of Technology, MS170-25, Pasadena, CA 91125, (3)Geological Sciences, Univ of Michigan, 2534 C.C. Little Building, 425 East University, Ann Arbor, MI 48109-1063, (4)Geol Survey of Canada, 101-605 Robson St, Vancouver, BC V6B 5J3, rusmore@oxy.edu, rusmore@oxy.edu
9
4:10 PM
(U-TH)/HE THERMOCHRONOLOGY AND OROGENY OF THE WASHINGTON CASCADES
REINERS, Peter W., Department of Geology and Geophysics, Yale Univ, P.O. Box 208109, New Haven, CT 06520-8109, EHLERS, Todd A., Geological Sciences, Univ of Michigan, 2534 C.C. Little Building, 425 E. University, Ann Arbor, MI 48109, MITCHELL, Sara G., Department of Earth and Space Sciences, Univ of Washington, Seattle, WA 98195 and MONTGOMERY, David R., Earth & Space Sciences, Univ of Washington, PO Box 351310, Seattle, WA 98195-1310, peter.reiners@yale.edu, peter.reiners@yale.edu
10
4:25 PM
CLIMATE, TECTONICS, AND TOPOGRAPHIC EVOLUTION OF THE WASHINGTON CASCADES: INSIGHTS FROM COUPLED PROCESS MODELS AND THERMOCHRONOMETRY
EHLERS, Todd A., Geological Sciences, Univ of Michigan, 2534 C.C. Little Building, 425 E. University, Ann Arbor, MI 48109, REINERS, Peter W., Department of Geology and Geophysics, Yale Univ, P.O. Box 208109, New Haven, CT 06520-8109, ROE, Gerard, Quaternary Research Center, Univ of Washington, Seattle, WA 98195, GRAN MITCHELL, Sara, Earth and Space Sciences, Univ of Washington, Box 351310, Seattle, WA 98195 and MONTGOMERY, David R., Earth & Space Sciences, Univ of Washington, PO Box 351310, Seattle, WA 98195-1310, tehlers@umich.edu, tehlers@umich.edu
11
4:45 PM
POLYGENETIC TOPOGRAPHY OF THE WASHINGTON CASCADES AND TOPOGRAPHIC SIGNATURE OF A GLACIAL BUZZSAW?
MITCHELL, Sara Gran, Earth and Space Sciences, Univ of Washington, Box 351310, University of Washington, Seattle, WA 98195, MONTGOMERY, David R., Earth & Space Sciences, Univ of Washington, PO Box 351310, Seattle, WA 98195-1310, REINERS, Peter, Geology and Geophysics, Yale Univ, PO Box 208109, New Haven, CT 06520-8109 and EHLERS, Todd A., Geological Sciences, Univ of Michigan, 2534 C.C. Little Building, 425 E. University, Ann Arbor, MI 48109, sgm1@u.washington.edu, sgm1@u.washington.edu
12
5:05 PM
OXYGEN ISOTOPE EVIDENCE FOR THE RAPID LATE MIOCENE DEVELOPMENT OF THE RAIN SHADOW ON THE EAST SIDE OF THE WASHINGTON CASCADE RANGE
TAKEUCHI, Akinori and LARSON, Peter B., Department of Geology, Washington State Univ, PO Box 642812, Pullman, WA 99164-2812, akinorit@gocougs.wsu.edu, akinorit@gocougs.wsu.edu
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