2014 GSA Annual Meeting in Vancouver, British Columbia (19–22 October 2014)

Session No. 99
Monday, 20 October 2014: 8:00 AM-12:00 PM
119/120 (Vancouver Convention Centre-West)

T138. Geoscience Investigations of the Polar Regions

GSA Geophysics and Geodynamics Division; GSA Quaternary Geology and Geomorphology Division; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Sedimentary Geology Division; GSA Hydrogeology Division; GSA Structural Geology and Tectonics Division; Geochemical Society

 

Samantha E. Hansen, Kevin L. Mickus and Audrey D. Huerta, Advocates
Paper #
Start Time
8:00 AM
IMAGING MANTLE STRUCTURE AND GEODYNAMIC PROCESSES BENEATH ANTARCTICA USING ADAPTIVELY PARAMETERIZED P-WAVE TOMOGRAPHY
HANSEN, Samantha E.1, GRAW, Jordan1, KENYON, Lindsey1, NYBLADE, Andrew A.2, WIENS, Douglas3, ASTER, Richard4, HUERTA, Audrey5, ANANDAKRISHNAN, Sridhar6 and WILSON, Terry J.7, (1)Geological Sciences Department, University of Alabama, 2031 Bevill Bldg, Tuscaloosa, AL 35487, (2)Geosciences Dept, Pennsylvania State University, 447 Deike Bldg, University Park, PA 16802, (3)Earth and Planetary Sciences, Washington University in St. Louis, St. Louis, MO 63130-4899, (4)Colorado State University, Fort Collins, CO 80523, (5)Geological Sciences MS 7418, Central Washington University, 400 East University Drive, Ellensberg, WA 98926, (6)Dept. of Geosciences and EESI, Pennsylvania State University, 442 Deike Bldg, University Park, PA 16802-2711, (7)School of Earth Sciences, Ohio State University, 125 South Oval Mall, Columbus, OH 43210
8:15 AM
UPPER MANTLE SHEAR WAVE VELOCITY STRUCTURE BENEATH THE TRANSANTARCTIC MOUNTAINS AND EASTERN WILKES SUBGLACIAL BASIN
GRAW, Jordan1, HANSEN, Samantha E.1 and ADAMS, Aubreya2, (1)Geological Sciences Department, The University of Alabama, 2031 Bevill Bldg, Tuscaloosa, AL 35487, (2)Washington University in St. Louis, St. Louis, MO 63130
8:30 AM
FINDING CRUSTAL THICKNESS IN THE NORTHERN TRANSANTARCTIC MOUNTAINS AND WILKES SUBGLACIAL BASIN USING S–WAVE RECEIVER FUNCTIONS AND RAYLEIGH WAVE PHASE VELOCITIES
KENYON, Lindsey1, HANSEN, Samantha E.1, GRAW, Jordan1, PARK, Yongcheol2 and NYBLADE, Andrew A.3, (1)Geological Sciences Department, The University of Alabama, 2031 Bevill Bldg, Tuscaloosa, AL 35487, (2)Korean Polar Research Institute, Incheon, 406-840, Korea, Republic of (South), (3)Geosciences Dept, Pennsylvania State University, 447 Deike Bldg, University Park, PA 16802
8:45 AM
GEODYNAMIC MODELS OF THE WEST ANTARCTIC RIFT SYSTEM: IMPLICATIONS FOR THE THERMAL STATE OF THE WEST ANTARCTIC MANTLE
HARRY, Dennis L., Geosciences, Colorado State University, Fort Collins, CO 80523
9:05 AM
SUBSURFACE MAPPING OF THE ROSS ISLAND FLEXURAL BASIN, WEST ANTARCTICA
WENMAN, Christopher P., Department of Geosciences, Colorado State University, Fort Collins, CO 80523, HARRY, Dennis L., Geosciences, Colorado State University, Fort Collins, CO 80523 and JHA, Sumant, Department of Geosciences, Colorado State University, Fort Collins, CO 80521
9:20 AM
AXISYMMETRIC FLEXURE MODELING OF ROSS ISLAND BASIN SUBSIDENCE, ROSS ISLAND, ANTARCTICA
JHA, Sumant, Department of Geosciences, Colorado State University, Fort Collins, CO 80521, HARRY, Dennis L., Geosciences, Colorado State University, Fort Collins, CO 80523 and WENMAN, Christopher P., Department of Geosciences, Colorado State University, Fort Collins, CO 80523
 
9:35 AM
Break
9:50 AM
A DETAILED GRAVITY SURVEY OF THE EREBUS VOLCANO, ANTARCTICA
MICKUS, Kevin L., Geology, Missouri State University, Springfield, MO 65897 and KYLE, Philip, E&es, New Mexico Tech, Socorro, NM 87801
10:05 AM
ROSS ICE SHEET DYNAMICS: CLUES FROM DETRITAL THERMOCHRONOLOGY AND SEDIMENTARY PETROGRAPHY
ZATTIN, Massimiliano1, ANDREUCCI, Benedetta2, BALESTRIERI, Maria Laura3, OLIVETTI, Valerio4, PACE, Donato5 and TALARICO, Franco5, (1)Department of Geosciences, University of Padova, Via Giovanni Gradenigo 6, Padova, 35131, (2)Department of Geosciences, University of Padova, Via Giovanni Gradenigo 6, Padova, 35131, Italy, (3)Institute for Geosciences and Earth Resources, National Research Council, Via La Pira 4, Firenze, 50121, Italy, (4)Dipartimento di Scienze Geologiche, Università degli Studi "Roma Tre", Largo S. Leonardo Murialdo 1, Roma, 00146, Italy, (5)Department of Physical Sciences, Earth and Environment, University of Siena, Via Laterina 8, Siena, 53100, Italy
Handouts
  • Zattin_GSA2014.pdf (2.3 MB)
  • 10:20 AM
    LATE QUATERNARY ICE ELEVATION OF HATHERTON GLACIER, ANTARCTICA
    HILLEBRAND, Trevor R.1, STONE, John O.1, HALL, Brenda L.2, KING, Courtney3, CONWAY, Howard4 and KOUTNIK, Michelle4, (1)Department of Earth and Space Sciences, University of Washington, Seattle, WA 98195, (2)School of Earth and Climate Sciences & Climate Change Institute, University of Maine, Orono, ME 04469, (3)School of Earth and Climate Sciences, Climate Change Institute, University of Maine, 5790 Bryand Global Sciences Center, Rm 313, Orono, ME 04469, (4)Department of Earth and Space Sciences, University of Washington, Box 351310, 070 Johnson Hall, Seattle, WA 98195
    10:35 AM
    RAPID ACCESS ICE DRILL:  A NEW TOOL FOR EXPLORATION OF THE DEEP ANTARCTIC ICE SHEETS AND SUBGLACIAL GEOLOGY
    GOODGE, John W., Department of Earth & Environmental Sciences, University of Minnesota, Duluth, MN 55812 and SEVERINGHAUS, Jeffrey P., Scripps Institution of Oceanography, University of California-San Diego, La Jolla, CA 92093
    10:50 AM
    EXPOSURE DATING AND ANTARCTIC GLACIAL HISTORY
    STONE, John, Earth and Space Sciences & Quaternary Research Center, University of Washington, Seattle, WA 98195
    99-12
    11:10 AM
    Withdrawn
    11:25 AM
    SEISMIC OBSERVATIONS OF GLACIER DEFORMATION IN GREENLAND
    VEITCH, Stephen A. and NETTLES, Meredith, Lamont-Doherty Earth Observatory, Columbia University, 61 Route 9w, Palisades, NY 10964
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