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Cordilleran Section - 98th Annual Meeting (May 13–15, 2002)

Session No. 41
Wednesday, 15 May 2002: 1:30 PM-5:30 PM

Alaskan Tectonics, Structure, and Stratigraphy

 

Erik C. Katvala and Jeanine M. Schmidt, Chairs
Paper #
Start Time
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1:30 PM
PALEONTOLOGIC AND STRATIGRAPHIC FIELD STUDY OF THE TRIASSIC KEKU VOLCANICS AND HYD GROUP IN THE KEKU STRAIT AREA, SOUTHEAST ALASKA (ALEXANDER TERRANE)
KATVALA, Erik C.1, STANLEY Jr, George D., Jr1 and BLODGETT, Robert B.2, (1)Geology, Univ of Montana, Missoula, MT 59812, (2)Dept. Zoology, Oregon State Univ, Corvallis, OR 97331, erik@croatoan.org, erik@croatoan.org
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1:45 PM
SUPERPOSED MAGMATIC BELTS IN THE GLACIER BAY NATIONAL PARK REGION, SOUTHEASTERN ALASKA--A PRELIMINARY REPORT ON GEOLOGY AND POTASSIUM-ARGON AGES OF INTRUSIVE ROCKS
BREW, David A.1, TELLIER, Kathleen E., LANPHERE, Marvin A.1, NIELSEN, Diane C., SMITH, James G. and SONNEVIL, Ronald A., (1)U.S. Geological Survey, MS 901, 345 Middlefield Road, Menlo Park, CA 94025, dbrew@usgs.gov, dbrew@usgs.gov
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2:00 PM
JURASSIC TO EARLY TERTIARY PLUTONIC SUITES OF THE NORTHERN TALKEETNA MOUNTAINS, ALASKA
SNEE, L. W.1, SCHMIDT, J. M.2, OSWALD, P. J.2 and PRUEHER, E. M.1, (1)USGS, Box 25046, MS 913, Denver Federal Center, Denver, CO 80225, (2)US Geol Survey, 4200 University Dr, Anchorage, AK 99508-4667, lsnee@usgs.gov, lsnee@usgs.gov
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2:15 PM
A MAGNETOTELLURIC TRANSECT ACROSS THE TALKEETNA MOUNTAINS, ALASKA
SAMPSON, Jay A., US Geol Survey, P.O. Box 25046, MS 964, Denver, CO 80225 and PELLERIN, Louise, Energy and Geoscience Institute, Univ of Utah, 423 Wakara Way, Suite 300, Salt Lake City, UT 84108, jsampson@usgs.gov, jsampson@usgs.gov
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2:30 PM
GRAVITY AND MAGNETIC STUDIES OF THE TALKEETNA MOUNTAINS AND THEIR IMPLICATIONS FOR THE JURASSIC TO RECENT EVOLUTION OF STRUCTURES AND TECTONICS IN SOUTHERN ALASKA
GLEN, J.M.G., U.S. Geol Survey, Mailstop 989, 345 Middlefield Road, Menlo Park, CA 94025, SCHMIDT, J. M., U.S. Geol Survey, Anchorage, AK, NELSON, S. W., Anchorage, AK and MORIN, R. L., U.S. Geol Survey, Menlo Park, CA, jglen@usgs.gov, jglen@usgs.gov
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2:45 PM
GEOLOGY AND GEOCHEMISTRY OF TERTIARY VOLCANIC ROCKS IN THE UPPER CARIBOU CREEK AREA, SOUTHERN TALKEETNA MOUNTAINS, ALASKA: EOCENE VOLCANISM IN AN EXTENSIONAL SETTING
OSWALD, P. J., USGS, Anchorage, AK 99508, NELSON, S. W., Anchorage, AK 99508 and COLE, R. B., Dept. of Geology, Allegheny College, Meadville, PA 16335, poswald@usgs.gov, poswald@usgs.gov
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3:00 PM
THE DEADMAN AND CLARK CREEK FIELDS: INDICATORS OF EARLY TERTIARY VOLCANISM IN AN EXTENSIONAL TECTONIC ENVIRONMENT IN THE NORTHERN TALKEETNA MOUNTAINS, ALASKA
SCHMIDT, Jeanine M., USGS, 4200 University Dr, Anchorage, AK 99508-4667, OSWALD, Peter J., USGS, Anchorage, AK and SNEE, Larry W., USGS, Denver, CO, jschmidt@usgs.gov, jschmidt@usgs.gov
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3:15 PM
METALLOGENY OF THE WRANGELLIA TERRANE IN THE TALKEETNA MOUNTAINS, SOUTHERN ALASKA
ROGERS, Robert K., Kelly Services c/o USGS, 4200 University Drive, Anchorage, AK 99508 and SCHMIDT, Jeanine M., USGS, Anchorage, AK, rkrogers@usgs.gov, rkrogers@usgs.gov
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3:30 PM
GRAVITY AND MAGNETIC MODELING OF THE NIKOLAI GREENSTONE IN THE AMPHITHEATER SYNCLINE, MT HAYES QUADRANGLE, ALASKA
SANGER, E. A.1, GLEN, J.M.G.2, MORIN, R. L.2, SCHMIDT, J. M.3 and NELSON, S. W.4, (1)U.S. Geol Survey, Mailstop 989, 345 Middlefield Road, Menlo Park, CA 94025, (2)U.S. Geol Survey, Menlo Park, CA, (3)U.S. Geol Survey, Anchorage, AK, (4)Anchorage, AK, esanger@usgs.gov, esanger@usgs.gov
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