2007 GSA Denver Annual Meeting (28–31 October 2007)

Session No. 74
Monday, 29 October 2007: 8:00 AM-12:00 PM

T82. The Structure, Composition and Evolution of the Lithosphere of Western North America I

GSA Geophysics Division; GSA Structural Geology and Tectonics Division

 

Walter D. Mooney, Catherine M. Snelson, Eugene Humphreys and Richard C. Aster, Advocates
Paper #
Start Time
1
8:00 AM
INTRODUCTION TO "THE LITHOSPHERE OF WESTERN NORTH AMERICA"
MOONEY, Walter D., Earthquake Hazards, U. S. Geological Survey, Menlo Park, CA 94025-3591, ASTER, Richard C., Earth and Environmental Science, New Mexico Tech, Socorro, NM 87801, SNELSON, Catherine M., Department of Earth and Environmental Science, New Mexico Tech, Socorro, NM 87801 and HUMPHREYS, Eugene, Department of Geological Sciences, University of Oregon, Eugene, 1272 University of Oregon, Eugene, OR 97403, mooney@usgs.gov, mooney@usgs.gov
2
8:15 AM
GRAVITY AND MAGNETIC FRAMEWORK OF WESTERN NORTH AMERICA AT LITHOSPHERIC SCALE
SALTUS, Richard W., MS 964, US Geological Survey, Federal Center, Box 25046, Denver, CO 80225-0046, BLAKELY, Richard J., USGS, 345 Middlefield Rd, MS 977, Menlo Park, CA 94025 and PILKINGTON, Mark, Geological Survey of Canada, Natural Resources Canada, 615 Booth St, Ottawa, ON K1A 0E9, Canada, saltus@usgs.gov, saltus@usgs.gov
3
8:30 AM
GEOTHERMAL TRANSITIONS IN THE CRUST AND UPPER MANTLE ALONG SOUTHERN ROCKY MOUNTAIN TRANSECTS
REITER, Marshall A., New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM, 87801, mreiter@nmt.edu, mreiter@nmt.edu
4
8:45 AM
PLUME-RELATED MODIFICATION OF THE COLORADO PLATEAU AT 1.1. GA - A RECIPE FOR MAKING CRATONIC LITHOSPHERE
DUCEA, Mihai N., Department of Geosciences, University of Arizona, Gould-Simpson Bldg, Tucson, AZ 85721-0077, ducea@geo.arizona.edu, ducea@geo.arizona.edu
5
9:05 AM
K-FELDSPAR 40AR/39AR THERMOCHRONOLOGY OF WESTERN USA PRECAMBRIAN LITHOSPHERE: IMPROVED UNDERSTANDING OF SYSTEMATICS TOWARDS MORE ACCURATE GEOLOGICAL MODELS
HEIZLER, Matthew T., Department of Earth and Environmental Sci, NM Tech, 801 Leroy Place, Socorro, NM 87801, PARSONS, Ian, Grant Institute of Earth Sci, University of Edinburgh, West Mains Road, Edinburgh, EH9 3JW, United Kingdom, SANDERS, Robert E., Department of Earth and Environmental Sci, NM Tech, 801 Leroy Place, socorro, NM 87801, HEIZLER, Lynn L., NM Bureau of Geology and Mineral Resources, NM Tech, 801 Leroy Place, 801 Leroy Place, socorro, NM 87801 and KARLSTROM, Karl E., Department of Earth and Planetary Sci, University of New Mexico, 141 Northrop Hall, Albuquerque, NM 87131, matt@nmt.edu, matt@nmt.edu
6
9:20 AM
RECEIVER FUNCTION IMAGES OF THE LITHOSPHERE IN THE WESTERN U.S
LEVANDER, Alan, NIU, Fenglin and MILLER, Meghan S., Earth Science, Rice University, 6100 Main Street MS-126, Houston, TX 77005, alan@rice.edu, alan@rice.edu
7
9:40 AM
EFFECTS OF DATA VARIANCE AND PARAMETERIZATION ON A NEW NORTH AMERICAN 3D UPPER-MANTLE MODEL
BEDLE, Heather and VAN DER LEE, Suzan, Earth and Planetary Sciences, Northwestern University, 1850 Campus Dr, Evanston, IL 60208, heather@earth.northwestern.edu, heather@earth.northwestern.edu
 
9:55 AM
Break
8
10:10 AM
LITHOSPHERIC MANTLE MELTING AND THE ORIGIN OF THE MID-TERTIARY IGNIMBRITE FLARE-UP, SOUTHERN ROCKY MOUNTAINS
FARMER, G. Lang, Dept. of Geological Sciences and CIRES, University of Colorado, Campus Box 399, Boulder, CO 80309-0399, BAILLEY, Treasure L., Geological Sciences and CIRES, University of Colorado, Boulder, CO 80309 and ELKINS-TANTON, Linda T., Department of Earth, Atmospheric, and Planetary Sciences, MIT, Cambridge, MA 02139, farmer@colorado.edu, farmer@colorado.edu
9
10:25 AM
GEODYNAMICS OF THE WESTERN U.S. INTERIOR
PUSKAS, C.M.1, SMITH, R.B.1, FLESCH, L.M.2, SETTLES, K.1 and POLLITZ, F.3, (1)Geology and Geophysics, University of Utah, 1460 E 135 S, Salt Lake City, UT 84112, (2)Earth and Atmospheric Sciences, Purdue University, 550 Stadium Mall Drive, West Lafayette, IN 47907-2051, (3)USGS, 345 Middlefield Road, MS 977, Menlo Park, CA 94025, cmpuskas@mines.utah.edu, cmpuskas@mines.utah.edu
10
10:40 AM
TECTONICS, LITHOSPHERE STRENGTH AND THERMAL STRUCTURE OF WESTERN NORTH AMERICA
CURRIE, Claire A., Department of Oceanography, Dalhousie University, Halifax, NS B3H 4J1, Canada, HYNDMAN, Roy D., Pacific Geoscience Centre, Geological Survey of Canada, 9860 W. Saanich, Sidney, BC V8L 4B2, Canada and MAZZOTTI, Stephane, Pacific Geoscience Centre, Geological Survey of Canada, Sidney, BC V8L 4B2, Canada, claire.currie@dal.ca, claire.currie@dal.ca
11
10:55 AM
THICK-SKINNED PALEOPROTEROZOIC SHEAR-FOLD COUPLED DEFORMATION ALONG THE EASTERN MARGIN OF THE BLACK HILLS, SOUTH DAKOTA
ALLARD, Stephen T., Department of Geoscience, Winona State University, P.O. Box 5838, Winona, MN 55987 and PORTIS, Douglas H., Department of Geosciences, Winona State University, PO Box 5838, Winona, MN 55987, sallard@winona.edu, sallard@winona.edu
12
11:10 AM
TIMING AND DURATION OF HIGH-P GRANULITE FACIES METAMORPHISM IN THE NORTHERN TETON RANGE, WYOMING
FROST, B. Ronald1, MCFARLANE, Chris2, SWAPP, Susan M., FROST, Carol D., CHAMBERLAIN, Kevin R., ALLEN, Charlotte M. and FITZGERALD, Braden1, (1)Laramie, 82071, (2)Department of Earth Sciences, University of New Brunswick, 2 Bailey Drive, Fredericton, NB E3B 5A3, Canada, rfrost@uwyo.edu, rfrost@uwyo.edu
13
11:25 AM
IMAGE OF YELLOWSTONE MAGMATIC HISTORY AND LOWER CRUSTAL OUTFLOW
DUEKER, Ken1, STACHNIK, Josh2, YUAN, Huaiyu1 and SCHUTT, Derek1, (1)Geology and Geophysics, Univ of Wyoming, Dept of Geology and Geophysics, Laramie, WY 82071, (2)Earth and Environmental Sciences, Lehigh University, 1 West Packer Ave, Bethlehem, PA 18015, dueker@uwyo.edu, dueker@uwyo.edu
14
11:40 AM
CENOZOIC UPLIFT ASSOCIATED WITH THE ASPEN ANOMALY, CENTRAL COLORADO, AND UPDATE ON THE CREST COLORADO ROCKIES EXPERIMENT AND SEISMIC TRANSECTS
KARLSTROM, Karl E., Department of Earth and Planetary Science, Univ of New Mexico, Northrop Hall, Albuquerque, NM 87131, DUEKER, Ken, Geology and Geophysics, Univ of Wyoming, Dept of Geology and Geophysics, Laramie, WY 82071, ASTER, Richard C., Department of Earth and Enviromenal Science, New Mexico Tech, Socorro, NM 87801, KELLEY, Shari, Dept. of Earth and Environmental Science, New Mexico Institute of Mining and Technology, Socorro, NM 87801, CROSSEY, Laura J., Earth & Planetary Sciences, University of New Mexico, Northrop Hall, Albuquerque, NM 87131, KIRBY, Eric, Department of Geosciences, Penn State University, University Park, PA 16802, HILTON, David R., Geosciences Research Div, Scripps Inst. of Oceanography, La Jolla, CA 92037, COBLENTZ, David, Earth and Environmental Sciences Division, Los Alamos National Laboratory, Los Alamos, NM 87545, FARMER, G. Lang, Dept. of Geological Sciences and CIRES, University of Colorado, Campus Box 399, Boulder, CO 80309-0399 and MACCARTHY, Jonathan K., Earth and Environmental Science, New Mexico Tech, Socorro, NM 87131, kek@unm.edu, kek@unm.edu
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