Taken from Techinical Program

GEOLOGICAL SOCIETY OF AMERICA ANNUAL MEETING, 2002, DENVER

INSTAAR Science Spotlights

Session No. 145 Tuesday, October 29, 2002
8:00 AM-12:00 PM, Colorado Convention Center: C102/104/106
T103. Quaternary Sciences from Land to Sea I: In Honor of John T. Andrews
Peter U. Clark and Gifford H. Miller, Presiding
 Paper #Start Time
145-18:00 AM GLACIATION OF BAFFIN ISLAND: THE ANDREWS LEGACY: MILLER, Gifford H., INSTAAR and Geological Sciences, Univ of Colorado, Boulder, CO 80309-0450, gmiller@colorado.edu, WOLFE, Alex P., Earth Sciences, Univ. Alberta, Edmonton, AB K1A OE8, Canada, KAPLAN, Michael R., Geology and Geophysics, Univ of Wisconsin-Madison, Weeks Hall, 1215 W. Dayton Street, Madison, WI 53706, DAVIS, P. Thompson, Natural Sciences, Bentley College, Waltham, MA 02452-4705, BRINER, Jason P., INSTAAR and Geological Sciences, Univ of Colorado, Boulder, CO 80303, and STRAVERS, Jay A., Geology, Northern Illinois Univ, DeKalb, IL 66744
145-28:15 AM HUGE >54,000 YR OLD GLACIOMARINE DELTA ON NORTHERN BAFFIN ISLAND OVERLAIN BY BOULDERS WITH <20,000 YR OLD COSMOGENIC EXPOSURE AGES: IMPLICATIONS FOR NON-EROSIVE COLD-BASED ICE ON BAFFIN ISLAND DURING THE LGM: DAVIS, P. Thompson1, BRINER, Jason P.2, MILLER, Gifford H.2, COULTHARD, Roy D.2, BIERMAN, Paul R.3, and FINKEL, Robert W.4, (1) Natural Sciences, Bentley College, Waltham, MA 02452-4705, pdavis@bentley.edu, (2) INSTAAR and Geological Sciences, Univ of Colorado, Boulder, CO 80309-0450, (3) Department of Geology, Univ of Vermont, Burlington, VT 05405, (4) Center for Accelerator Mass Spectrometry, Lawrence Livermore National Lab, Livermore, CA 94550
145-38:30 AM POLYPHASE GLACIAL DYNAMICS IN THE EASTERN LAURENTIDE ICE SHEET - THE ROLE OF ICE STREAMS AND DISPERSAL CENTERS: PARENT, Michel and PARADIS, Serge, Geological Survey of Canada, QuŽbec Div, 880 Chemin Sainte-Foy, bur. 840, QuŽbec, QC G1S 2L2, Canada, miparent@nrcan.gc.ca
145-48:45 AM VARIABLE LATE PLEISTOCENE ICE SHEET AND ICE CAP EXTENT IN THE EURASIAN NORTH: FORMAN, Steven, Earth and Environmental Sciences, Univ of Illinois at Chicago, 845 W. Taylor Street, Chicago, IL 60607-7059, slf@uic.edu, INGOLFSSON, Olafur, Univ Courses on Svalbard (UNIS), Box 156, Longyearbyen, N-9170, Norway, LUBINSKI, David, Institute of Arctic and Alpine Research, Univ of Colorado-Boulder, Campus Box 450, Boulder, CO 80309-0450, and LOKRANTZ, Hanna, Earth Sciences Centre, Univ of Goteborg, Box 460, Goteborg, SE-405 30, Sweden
145-59:00 AM LAND/SEA CORRELATIONS: SEPARATING CLIMATE EVENTS AT THE 5E/D AND 5A/4 TRANSITIONS IN CHUKOTKA AND ACROSS THE WESTERN ARCTIC: BRIGHAM-GRETTE, Julie and HAYDEN, Trent, Geosciences, Univ of Massachusetts, Amherst, MA 01003, juliebg@geo.umass.edu
145-69:15 AM FOLLOWING THE LATE WEICHSELIAN RETREAT OF THE NW ICELAND ICE CAP FROM SHELF TO LAND: GEIRSDOTTIR, Aslaug1, ANDREWS, John T.2, MILLER, Gifford H.2, OLAFSDOTTIR, Saedis1, PRINCIPATO, Sarah2, and KRISTJANSDOTTIR, Greta Bjork2, (1) Science Institute & Dept. of Geosciences, Univ of Iceland, IS-101, Reykjavik, Iceland, age@hi.is, (2) INSTAAR and Geological Sciences, Univ of Colorado, Boulder, CO 80309-0450
145-79:30 AM NEW SOLUTIONS TO OLD PROBLEMS FROM THE `SHELLY BOULDER CLAYS` OF GREAT BRITAIN AND IRELAND: BOWEN, David Q., Earth Sciences, Cardiff Univ, Park Place, Cardiff, CF10 3YE, United Kingdom, bowendq@cardiff.ac.uk and MCCABE, A. Marshall, Environmental Sciences, Univ of Ulster, Coleraine, Coleraine, BT52 1SA, United Kingdom
 9:50 AM Break
145-810:05 AM AN ~15,000-YEAR LONG RECORD OF TROPICAL GLACIATION FROM THE CORDILLERA BLANCA PERU: RODBELL, Donald T., Geology, Union College, Schenectady, NY 12308-2311, rodbelld@union.edu, SELTZER, Geoffrey O., Earth Sciences, Syracuse Univ, 204 Heroy Geology Laboratory, Syracuse, NY 13244-1070, CASTIGLIA, Peter, Geology Department, Univ of New Mexico, Albuquerque, NM, and MOY, Christopher, Geology Department, Stanford Univ, Palo Alto, CA
145-910:20 AM SAND PETROGRAPHY OF TILLS IN THE ROSS EMBAYMENT, ANTARCTICA SOURCE TERRANES: LEDERER, Jason R., SWOPE, R. Jeffrey, and LICHT, Kathy, Geology Department, Indiana Univ - Purdue Univ, Indianapolis, 723 W. Michigan St. SL118, Indianapolis, IN 46202, klicht@iupui.edu
145-1010:35 AM FORM AND FLOW OF A PALEO-ICE STREAM ON THE ANTARCTIC PENINSULA CONTINENTAL MARGIN: DOWDESWELL, Julian A.1, O'COFAIGH, Colm1, and PUDSEY, Carol J.2, (1) Scott Polar Research Institute, Univ of Cambridge, Lensfield Road, Cambridge, CB2 1ER, United Kingdom, jd16@cam.ac.uk, (2) British Antarctic Survey, High Cross, Madingley Road, Cambridge, CB3 0ET, United Kingdom
145-1110:50 AM EVIDENCE FOR RAPID ICE SHEET RETREAT SINCE THE LAST GLACIAL MAXIMUM IN THE EASTERN ROSS SEA, ANTARCTICA: MOSOLA, Amanda B., Earth Science, Rice Univ, 6100 Main Street, Houston, TX 77006, amosola@rice.edu and ANDERSON, John B., Earth Sciences, Rice Univ, Houston, TX 77251-1892
145-1211:05 AM MODELLING FORMER ICE SHEETS - THE INTEGRATION OF GLACIOLOGY AND GLACIAL GEOLOGY: BOULTON, Geoffrey S., Geology and Geophysics, Univ of Edinburgh, Grant Institute, West Mains Rd, Edinburgh EH9 3JW United Kingdom, g.boulton@ed.ac.uk.
145-1311:25 AM IN-SITU COSMOGENIC 14C IN ICE AND IMPLICATIONS FOR ICE PROCESSES: JULL, A.J. Timothy1, LAL, Devendra2, DONAHUE, Douglas J.3, BURR, George S.3, and DECK, Bruce2, (1) NSF Arizona AMS Laboratory and Dept of Geosciences, Univ of Arizona, Tucson, AZ 85721, jull@u.arizona.edu, (2) Geological Research Division, A-0224, Scripps Institution of Oceanography, La Jolla, CA 92037, (3) NSF Arizona AMS Laboratory, Department of Physics, University of Arizona, Tucson, AZ 85721
145-1411:40 AM AN EXPLANATION FOR THE ANOMALOUS ACCUMULATION OF WORLD GLACIAL ICE DURING THE ILLINOIAN GLACIATION UNDER AN INSOLATION MAXIMUM 150,000 YR BP: JOHNSON, Robert G., Geology and Geophysics, Univ of Minnesota, Pillsbury Hall, 310 Pillsbury Dr. S.E, Minneapolis, MN 55455, johns088@johns088.email.umn.edu.

 

 
Session No. 180 Tuesday, October 29, 2002
1:30 PM-5:30 PM, Colorado Convention Center: C102/104/106
T103. Quaternary Sciences from Land to Sea II: In Honor of John T. Andrews
Peter U. Clark and Gifford H. Miller, Presiding
  Paper # Start Time
180-1 1:30 PM A HISTOGRAM ANALYSIS OF STRANDLINES AT THE SOUTHERN OUTLET OF GLACIAL LAKE AGASSIZ: FISHER, Timothy G., Department of Geosciences, Indiana Univ NW, 3400 Broadway, Gary, IN 46408, tgfisher@iun.edu.
180-2 1:45 PM PREDICTIONS AND OBSERVATIONS OF GLOBAL SEA LEVEL FROM SHORELINES, TIDE GAUGES AND SATELLITES: CLARK, James A., ANDRESEN, Matthew A., and MCGUIRE, Lori M., Department of Geology and Environmental Science, Wheaton College, 501 College Ave, Wheaton, IL 60187, james.a.clark@wheaton.edu
180-3 2:00 PM THE LAURENTIDE ICE-SHEET AT LGM: WHERE THE DOMES WERE: PELTIER, W.R., Physics, Univ of Toronto, 60 St. George Street, Toronto, ON M5S-1A7 Canada, peltier@atmosp.physics.utoronto.ca.
180-4 2:20 PM GLACIAL LAKE AGASSIZ AND THE HYDRAULICS OF ICE-AGE MEGAFLOODS: CLARKE, Garry K.C., Earth and Ocean Sciences, Univ of British Columbia, 6339 Stores Road, Vancouver, BC V6T 1Z4, Canada, clarke@eos.ubc.ca, LEVERINGTON, David W., Center for Earth and Planetary Studies, Smithsonian Institution, National Air and Space Museum, Washington, DC 20560-0315, and TELLER, James T., Department of Geological Sciences, Univ of Manitoba, 125 Dysart Road, Winnipeg, MB R3T 2N2, Canada
180-5 2:35 PM OVERDEEPENINGS, SUPERCOOLING, AND GLACIAL GEOMORPHOLOGY: DON J. EASTERBROOK DISTINGUISHED SCIENTIST AWARD: ALLEY, Richard B., The Pennsylvania State Univ, University Park, PA 16802, ralley@essc.psu.edu, LAWSON, Daniel E., CRREL (Cold Regions Rsch and Engineering Lab), PO Box 5646, Fort Richardson, AK 99505, EVENSON, Edward B., Lehigh Univ, Bethlehem, PA, and LARSON, Grahame J., Dept. of Geological Sciences, Michigan State Univ, East Lansing, MI 48824
  3:05 PM Break
180-6 3:20 PM YOUNGER DRYAS AND PREBOREAL END MORAINES, READVANCES, AND RECESSION RATES, WESTERN CANADIAN ARCTIC: DYKE, Arthur S.1, ST-ONGE, Denis A.1, and SAVELLE, James M.2, (1) Geol Survey of Canada, 601 Booth St, Ottawa, ON K1A 0E8, Canada, adyke@nrcan.gc.ca, (2) Anthropology, McGill Univ, 855 Sherbrooke St, Montreal, QC H3A 2T7, Canada
180-7 3:40 PM GLACIAL MELTWATER AND ATLANTIC WATER INFLUX ON THE SOUTHEAST GREENLAND MARGIN; POSSIBLE EXPLANATION FOR THE YOUNGER DRYAS (GS-1) COOLING: JENNINGS, Anne E.1, HALD, Morten2, ANDREWS, John T.1, LEHMAN, Scott1, and SMITH, L. Mikie1, (1) INSTAAR and Dept. of Geological Sciences, Univ of Colorado, Campus Box 450, Boulder, CO 80309-0450, jenninga@spot.colorado.edu, (2) Dept. of Geology, Univ. of Tromsoe, Tromsoe, N-9037, Norway
180-8 3:55 PM ENVIRONMENTAL MAGNETISM IN THE CANADIAN ARCTIC: A JOHN ANDREWS INNOVATION: HALL, Frank R., Univ New Orleans, 2000 Lakeshore Dr, New Orleans, LA 70148-0001, frhall@uno.edu.
180-9 4:10 PM ICE SHEET/OCEAN INTERACTIONS OBSERVED FROM LABRADOR SEA SEDIMENTS: THE LAURENTIDE ICE SHEET WITHIN THE GLOBAL CLIMATE SYSTEM: STONER, Joseph S., INSTAAR, Univ of Colorado, 1560 30th Street, Campus Box 450, Boulder, CO 80303-0450, Joseph.Stoner@colorado.edu, BILODEAU, Guy, Micromass Canada Inc, 1 Holiday Street, East Tower, Suite 801, Pointe-Claire, QC H9R 5N3, Canada, HILLAIRE-MARCEL, Claude, GEOTOP, UniversitŽ du QuŽbec ˆ MontrŽal, C.P. 8888, succ. Centre-Ville, MontrŽal, QC H3C 3P8, Canada, and CHANNELL, James E.T., Department of Geological Sciences, Univ of Florida, 241 Williamson Hall, PO Box 112120, Gainesville, FL 32611
180-10 4:25 PM CLIMATE MECHANISMS CONTROLLING HOLOCENE VARIATIONS IN NORTH ATLANTIC ICE-RAFTED SEDIMENT: BOND, Gerard C.1, BAUERFEIND, Eduard2, and ALMASI, Peter1, (1) Lamont-Doherty Earth Observatory, PO Box 1000, Palisades, NY 10964-8000, gcb@ldeo.columbia.edu, (2) Biol. Oceanogr, Baltic Sea Rsch Institute, Seestrasse 15, D 18119, Rostock-WarnemŸnde, NA, Germany
180-11 4:40 PM PALEOMAGNETIC CORRELATIONS BETWEEN SCANDINAVIAN ICE-SHEET FLUCTUATIONS AND GREENLAND D-O EVENTS, 45,000-25,000 YRS B.P: MANGERUD, Jan, Dept of Geology, Univ Bergen, AllŽgt 41, Bergen, N-5007, Norway, jan.mangerud@geol.uib.no, L¯VLIE, Reidar, Institute of Solid Earth Physics, Univ Bergen, AllŽgt. 41, Bergen, N-5007, Norway, GULLIKSEN, Steinar, National Lab 14C Dating, Norwegian Univ Sci and Technol, Sem S¾landsv.5, Trondheim, N-7491, Norway, HUFTHAMMER, Anne-Karin, Museum of Zoology, Univ Bergen, Museplass 3, Bergen, N-5020, Norway, LARSEN, Eiliv, Geol Survey of Norway, Trondheim, N-7451, Norway, and VALEN, Vidar, S¿rlandskonsult AS, Vesterveien 6, Kristiansand, N-4613, Norway
180-12 4:55 PM EAST GREENLAND--DENMARK STRAIT--ICELAND: HEINRICH AND D-O EVENTS?: ANDREWS, John T., INSTAAR & Dept. Geological Sciences, Univ of Colorado, Box 450, Boulder, CO 80309, andrewsj@colorado.edu.
  5:10 PM Concluding Remarks

 

 
Session No. 241 Wednesday, October 30, 2002
1:30 PM-5:30 PM, Colorado Convention Center: Exhibit Hall
T103. Quaternary Sciences from Land to Sea (Posters): In Honor of John T. Andrews
  Paper # Booth #
241-1 107 AN INSECT RECORD OF THE LAST 12 KA IN PYRƒNƒES, FRANCE: COMPARISON WITH POLLEN DATA: PONEL, Philippe, ANDRIEU-PONEL, ValŽrie, REILLE, Maurice, and GUITER, FrŽdŽric, IMEP, CNRS, FacultŽ des Sciences de St JŽr™me, Avenue Escadrille Normandie-NiŽmen, Marseille Cedex 20, 13397, France, philippe.ponel@univ.u-3mrs.fr
241-2 108 PALEOENVIRONMENTS OF THE HYDE PARK, NEW YORK, MASTODON SITE, BASED ON SUBFOSSIL COLEOPTERAN REMAINS: NELSON, Robert E., Dept. of Geology, Colby College, 5804 Mayflower Hill, Waterville, ME 04901-8858, renelson@colby.edu, LUBKIN, Sara H., Geological Sciences, Cornell Univ, Snee Hall, Ithaca, NY 14850, and NESTER, Peter, Paleontological Rsch Institution, 1259 Trumansburg Rd, Ithaca, NY 14850
241-3 109 PALEOENVIRONMENTAL CHANGE INFERRED FROM THE DIATOM SEDIMENTARY RECORD AT ALERT, ELLESMERE ISLAND, NUNAVUT: ANTONIADES, Dermot1, DOUGLAS, Marianne S.V.1, and SMOL, John P.2, (1) Department of Geology, Univ of Toronto, 22 Russell St, Toronto, ON M5S 3B1, Canada, dermot.antoniades@utoronto.ca, (2) Department of Biology, Queen's Univ, 116 Barrie St, Kingston, ON K7L 3N6, Canada
241-4 110 OXCAL ANALYSES AND VARVE-BASED SEDIMENTATION RATES CONSTRAIN THE TIMES OF 14C-DATED TSUNAMI IN SOUTHERN OREGON: NELSON, Alan R., U.S. Geological Survey, Geologic Hazards Team, MS 966, PO Box 25046, Denver, CO 80303, anelson@usgs.gov, KELSEY, Harvey M., Department of Geology, Humboldt State Univ, 1 Harpst St, Arcata, CA 95521, HEMPHILL-HALEY, Eileen, U.S. Geological Survey at Department of Geological Sciences, Univ of Oregon, Eugene, OR 97403-1272, and WITTER, Robert C., William Lettis and Associates, Inc, 1777 Botelho Dr., Suite 262, Walnut Creek, CA 94596
241-5 111 ALASKA PALEOGLACIER ATLAS: MANLEY, William F., INSTAAR, University of Colorado, Campus Box 450, Boulder, CO 80309-0450, William.Manley@colorado.edu and KAUFMAN, Darrell, Department of Geology, Northern Arizona Univ, PO Box 4099, Flagstaff, AZ 86001
241-6 112 PLEISTOCENE ICEBERG PRODUCTION FROM EAST GREENLAND: SYNCHRONOUS BETWEEN SOURCE AREAS, BUT DISTINCT FROM GLOBAL ICE VOLUME: KRISSEK, Lawrence A., Geological Sciences, Ohio State Univ - Columbus, 130 Orton Hall, 155 So. Oval Mall, Columbus, OH 43210-1308, krissek@mps.ohio-state.edu and ST. JOHN, Kristen E.K., Appalachian State Univ, PO Box 32067, Boone, NC 28608-2067
241-7 113 PALEOCEANOGRAPHIC RECONSTRUCTION FROM LGM TO HOLOCENE: A HIGH-RESOLUTION FORAMINIFERAL AND SEDIMENT ANALYSES FROM THE NW SHELF OF ICELAND: OLAFSDOTTIR, Saedis1, GEIRSDOTTIR, Aslaug1, JENNINGS, Anne E.2, and ANDREWS, John T.2, (1) Science Institute & Dept. of Geosciences, Univ of Iceland, 101 Reykjavik, Iceland, olafsdot@colorado.edu, (2) INSTAAR and Dept. of Geological Sciences, Univ of Colorado, Campus Box 450, Boulder, CO 80309-0450
241-8 114 CALIBRATING BENTHIC MG/CA PALEOTHERMOMETERS FOR HIGH LATITUDE STUDIES: KRISTJçNSDîTTIR, GrŽta Bjšrk1, JENNINGS, Anne E.1, and LEA, David W.2, (1) INSTAAR & Department of Geological Sciences, University of Colorado, Box 450, Boulder, CO 80309, gbk@colorado.edu, (2) Department of Geological Sciences, University of California, Santa Barbara, CA 93106-9630
241-9 115 COSMOGENIC 10BE AND 36CL DATING OF GLACIAL MORAINE SEQUENCES IN THE TAYLOR RIVER VALLEY, SOUTHERN SAWATCH RANGE, COLORADO: BRUGGER, Keith A., Geology Discipline, Univ Minnesota - Morris, 600 E. 4th Street, Morris, MN 56267, bruggeka@mrs.umn.edu.
241-10 116 REVISED NORTH AMERICAN DEGLACIATION MAPS: DYKE, Arthur S., MOORE, Andrew, and ROBERTSON, Louis, Geol Survey of Canada, 601 Booth St, Ottawa, ON K1A 0E8, Canada, adyke@nrcan.gc.ca
241-11 117 GLACIAL EROSION PATTERNS AND MORAINE SEQUENCES ON THE NORTHWEST PENINSULA OF ICELAND: PRINCIPATO, Sarah M., INSTAAR and Dept. of Geological Sciences, University of Colorado, Campus Box 450, Boulder, CO 80309, principa@stripe.colorado.edu and GEIRSDOTTIR, Aslaug, Dept. of Geosciences, University of Iceland, IS-101, Reykjavik, Iceland
241-12 118 UNIQUE STRATIGRAPHIC RECORDS OF EXPLOSIVE VOLCANISM AND QUATERNARY GLACIATION, EMMONS LAKE CALDERA AND VICINITY, SOUTHWESTERN ALASKA: WAYTHOMAS, Christopher F.1, MILLER, Thomas P.1, MANGAN, Margaret T.2, LAYER, Paul W.3, and TRUESDELL, Frank A.4, (1) U.S. Geol Survey Alaska Volcano Observatory, 4230 University Drive, Suite 201, Anchorage, AK 99508, chris@usgs.gov, (2) U.S. Geol Survey, 345 Middlefield Road, Menlo Park, CA 94025, (3) Department of Geology and Geophysics, Univ of Alaska-Fairbanks, P.O. Box 755780, Fairbanks, AK 99775-5780, (4) U.S. Geol Survey Hawaiian Volcano Observatory, P.O. Box 51, Hawaii National Park, HI 96718
241-13 119 BE-10 DATING OF SAGLEK MORAINES, TORNGAT MOUNTAINS, NORTHERN LABRADOR, CANADA: CLARK, Peter U.1, BROOK, E.J.2, RAISBECK, G.3, YIOU, F.3, and CLARK, J.4, (1) Geosciences, Oregon State Univ, Corvallis, OR 97331, clarkp@ucs.orst.edu, (2) Geology and Environmental Science, Washington State Univ, Vancouver, WA 98686, (3) CSNSM, Orsay, France, (4) U.S. Fish and Wildlife, Portland, OR
241-14 120 GLACIAL TECTONIC DEFORMATION IN THE CHAIN O' LAKES REGION OF NE ILLINOIS: STRAVERS, Jay A., HIGUERA-DIAZ, Ivan Camilo, and KULCZYCKI, David M., Geology and Environmental Geosciences, Northern Illinois Univ, DeKalb, IL 60115, jay@geol.niu.edu
241-15 121 HIGH-RESOLUTION HOLOCENE RECORDS FROM THE N. ICELAND CONTINENTAL SHELF: OXYGEN ISOTOPE AND TOTAL CARBONATE DATA: CASTANEDA, Isla S., Large Lakes Observatory and Department of Geology and Geophysics, Univ of Minnesota, 10 University Drive, Duluth, MN 55812, cast0150@tc.umn.edu, SMITH, L. Micaela, BP America, 501 Westlake Park Blvd, Houston, TX 77079, KRISTJANSDOTTIR, Greta Bjork, INSTAAR and Geological Sciences, Univ of Colorado, Boulder, CO 80309-0450, and ANDREWS, John T., INSTAAR & Dept. Geological Sciences, Univ of Colorado, Box 450, Boulder, CO 80309
241-16 122 LATE PLEISTOCENE GLACIATION OF KANIN PENINSULA, RUSSIA: FIELD OBSERVATIONS AND PRELIMINARY SURFACE EXPOSURE DATING: SNYDER, Jeffrey A.1, FORMAN, Steven2, TARASOV, Gennady A.3, KHASANKAEV, Vilory B.3, MODE, William N.4, and MUZIKAR, Paul F.5, (1) Department of Geology, Bowling Green State Univ, 190 Overman Hall, Bowling Green, OH 43403, jasnyd@bgnet.bgsu.edu, (2) Earth and Environmental Sciences, Univ of Illinois at Chicago, 845 W. Taylor Street, Chicago, IL 60607-7059, (3) Murmansk Marine Biological Institute, Vladimirskaya 17, Murmansk, 183010, Russia, (4) Univ Wisconsin - Oshkosh, 800 Algoma Blvd, Oshkosh, WI 54901-3551, (5) Physics Department, Purdue Univ, West Laffayette, IN 47907
241-17 123 LAST GLACIAL MAXIMUM (LGM) ICE SHEET EXTENT AND GLACIAL RETREAT HISTORY OF ANTARCTIC PENINSULA; PRELIMINARY RESULTS FROM NATHANIAL B. PALMER 2002 CRUISE: HEROY, David Carlson1, OAKES, Lisa M.1, and ANDERSON, John B.2, (1) Earth Science, Rice Univ, 6100 Main Street, Houston, TX 77005, heroy@rice.edu, (2) Earth Sciences, Rice Univ, Houston, TX 77251-1892
241-18 124 LAST GLACIAL MAXIMUM ERRATICS PERCHED ON ANCIENT TORS IN ARCTIC CANADA: IMPLICATIONS FOR ICE-SHEET DYNAMICS: BRINER, Jason1, MILLER, Gifford1, DAVIS, P. Thompson2, CAFFEE, Marc3, BIERMAN, Paul4, and FINKEL, Robert5, (1) INSTAAR and Geological Sciences, Univ of Colorado, 1560 30th Street, Boulder, CO 80303, jason.briner@colorado.edu, (2) Natural Sciences, Bentley College, Waltham, MA 02452-4705, (3) PRIME Lab and Dept. of Phyics, Purdue Univ, West Lafayette, IN 47907, (4) Geology Department, Univ of Vermont, Burlington, VT 05405, (5) Center for Accelerator Mass Spectrometry, Lawrence Livermore National Lab, Livermore, CA 94550
241-19 125 LATE HOLOCENE QUASI-PERIODIC LAKE-LEVEL FLUCTUATIONS IN THE UPPER GREAT LAKES: JOHNSTON, John W., Department of Geological Sciences, Indiana Univ, 1005 East Tenth Street, Bloomington, IN 47405, jwjohnst@indiana.edu, THOMPSON, Todd A., Indiana Geological Survey, Indiana Univ, 611 North Walnut Grove, Bloomington, IN 47405, and BAEDKE, Steve J., Department of Geology and Environmental Studies, James Madison Univ, Harrisonburg, VA 22802
241-20 126 MOVEMENT OF A LARGE LANDSLIDE BLOCK DATED BY TREE-RING ANALYSIS, TOWER FALLS AREA, YELLOWSTONE NATIONAL PARK, WYOMING: CARRARA, P.E., U.S. Geol Survey, Mail Stop 980, Denver Federal Center, Denver, CO 80225, pcarrara@usgs.gov.

INSTAAR Science Spotlights