2006 Philadelphia Annual Meeting (22–25 October 2006)

Session No. 221
Wednesday, 25 October 2006: 1:30 PM-5:30 PM

T105. Paleosols, Proxies, and Paleoenvironments II

 

Nathan D. Sheldon and Neil J. Tabor, Advocates
Paper #
Start Time
1
1:30 PM
LATE HOLOCENE EQUATORIAL PALEOCLIMATE RECORD BASED UPON SOILS AND PALEOSOLS SPANNING THE MEDIEVAL WARM PERIOD AND LITTLE ICE AGE, LOBOI PLAIN, KENYA
DRIESE, Steven G., Terrestrial Paleoclimatology Research Group, Dept. of Geology, Baylor University, One Bear Place #97354, Waco, TX 76798-7354, ASHLEY, Gail M., Earth and Planetary Sciences, Rutgers University, 610 Taylor Road, Piscataway, NJ 08854, LI, Zheng-Hua, Earth and Planetary Sciences, Univ of Tennessee, Knoxville, TN 37996-1410, HOVER, Victoria C., Department of Geology, University of Louisiana-Lafayette, P.O. Box 44530, Lafayette, LA 70504 and OWEN, R. Bernhart, Dept of Geography, Hong Kong Baptist Univ, Kowloon Tong, Hong Kong, China, Steven_Driese@baylor.edu, Steven_Driese@baylor.edu
2
1:45 PM
A CHANGING LANDSCAPE IN THE SEMI-ARID TROPICS: INSIGHTS FROM PALEOSOLS, EAST AFRICA RIFT, KENYA
ASHLEY, Gail M.1, HOVER, Victoria C.2, DRIESE, Steven G.3, ROURE, Cara A.4, MCBREARTY, Sally4, OWEN, R. Bernhart5 and RENAUT, Robin W.6, (1)Earth and Planetary Sciences, Rutgers University, 610 Taylor Road, Piscataway, NJ 08854, (2)Department of Geology, University of Louisiana-Lafayette, P.O. Box 44530, Lafayette, LA 70504, (3)Terrestrial Paleoclimatology Research Group, Dept. of Geology, Baylor University, One Bear Place #97354, Waco, TX 76798-7354, (4)Anthropology, Univ of Connecticut, Storrs, CT 06269, (5)Dept of Geography, Hong Kong Baptist Univ, Kowloon Tong, Hong Kong, China, (6)Department of Geological Sciences, Univ of Saskatchewan, Saskatoon, SK S7N 5E2, Canada, vhover@louisiana.edu, vhover@louisiana.edu
3
2:00 PM
ALLUVIAL PALEOSOLS AND THE YOUNGER DRYAS OF THE CENTRAL GREAT PLAINS
JOHNSON, William C., Geography, University of Kansas, 1475 Jayhawk Blvd Rm 213, Lawrence, KS 66045-7613 and MAY, David W., Department of Geography, University of Northern Iowa, Cedar Falls, IA 50614, wcj@ku.edu, wcj@ku.edu
4
2:15 PM
PALEOENVIRONMENTAL INFORMATION FROM HIGH-RESOLUTION U-SERIES AND TRACE ELEMENT MEASUREMENTS OF PEDOGENIC OPAL
MAHER, Kate, U.S. Geological Survey, 345 Middlefield Rd MS-973, Menlo Park, CA 94301, REDWINE, Joanna, University of Nevada, Reno, Reno, NV 89512, MAZDAB, Frank, U.S.G.S. - Stanford Ion Probe Laboratory, Stanford University, 367 Panama Mall, Green Building, Stanford, CA 94305-2220 and MILLER, D.M., US Geological Survey, 345 Middlefield Road, MS-973, Menlo Park, CA 94025, kmaher@usgs.gov, kmaher@usgs.gov
5
2:30 PM
LATE TERTIARY DRY AND HOT PALEOCLIMATE IN CENTRAL CHINA: REVELATION FROM AUTHIGENIC NANO-PHASE MINERALS IN THE RED CLAY LAYERS OF CHINESE LOESS
CHEN, Tianhu1, XU, Huifang2, CHEN, Jun3, JI, Junfeng3, XIE, Qiaoqin1, LU, Huayu3 and WANG, Xiaoyong4, (1)School of Natural Resources and Environmental Engineering, Hefei Univ of Technology, Hefei, 230009, (2)Department of Geology and Geophysics, Univ of Wisconsin, Department of Geology and Geophysics, University of Wisconsin, Madison, WI 53706, USA, Madison, WI 53706, (3)Department of Geoscience, Nanjing University, Nanjing, 210093, China, (4)Institute of Earth Environment, Chinese Academy of Sciences, Xi’an, 710075, China, chentianhu168@vip.sina.com, chentianhu168@vip.sina.com
6
2:45 PM
EXPERIMENTAL TESTS OF THE EFFECTS OF AL SUBSTITUTION ON THE GOETHITE-WATER D/H FRACTIONATION FACTOR
FENG, Weimin, Department of Geological Sciences, University of Texas at Austin, Austin, TX 78712 and YAPP, Crayton, Dallas, TX 75275, weimin.feng@gmail.com, weimin.feng@gmail.com
7
3:00 PM
DECIPHERING REGIONAL VERSUS GLOBAL CLIMATIC VARIATIONS USING PALEOSOLS: AN EXAMPLE FROM THE EARLY MIOCENE
HAMER, Jessica Maite Michelle, SHELDON, Nathan D. and NICHOLS, Gary J., Geology, Royal Holloway, University of London, Egham, T20 0EX, United Kingdom, j.hamer@gl.rhul.ac.uk, j.hamer@gl.rhul.ac.uk
8
3:15 PM
A STABLE CARBON AND OXYGEN ISOTOPE RECORD FROM PEDOGENIC CARBONATE FOR THE LATEST OLIGOCENE (EARLIEST MIOCENE ?) OF NORTHWEST CHINA AND ITS PALEOCLIMATIC AND PALEOECOLOGICAL IMPLICATIONS
WHITE, Paul David, Institute of Geology and Geophysics, Chinese Academy of Sciences, P.O. Box 9825, Beijing, 100029, China, pwhite1@lsu.edu, pwhite1@lsu.edu
9
3:30 PM
COMING TO GRIPS WITH THE EVAPORATION RATES RECORDED IN ANCIENT SOILS: INTERPRETING DIAGENETIC TRENDS FROM VADOSE & PHREATIC COMPONENTS IN CALCIC PALEOSOLS
LUDVIGSON, Greg A.1, UFNAR, David F.2, GONZALEZ, Luis A.3 and SUAREZ, Marina B.3, (1)Kansas Geological Survey, University of Kansas, 1930 Constant Ave, Lawrence, KS 66047, (2)Geology, Univ. of Southern Mississippi, Hattiesburg, MS 39406, (3)Department of Geology, The University of Kansas, 1475 Jayhawk Blvd, Lawrence, KS 66045, gludvigson@kgs.ku.edu, gludvigson@kgs.ku.edu
10
3:45 PM
PALEOENVIRONMENTAL TRANSITION ACROSS THE PERMIAN-TRIASSIC BOUNDARY: INSIGHTS FROM PALEOSOLS OF THE JUNGGAR BASIN, NW CHINA
THOMAS, Stephanie Germaine, Department of Geological Sciences, Southern Methodist University, P.O.Box 750395, Dallas, TX 75275, TABOR, Neil, Department of Geological Sciences, Southern Methodist University, P.O. Box 750395, Dallas, TX 75275-0395 and YANG, Wan, Department of Geology, Wichita State Univ, 1845 Fairmount, Wichita, KS 67260, sgthomas@smu.edu, sgthomas@smu.edu
11
4:00 PM
USING VARIATIONS IN ICHNOFAUNA AND PEDOGENIC PROPERTIES OF MIDDLE TO LATE PENNSYLVANIAN FLOODPLAIN PALEOSOLS TO DETERMINE THE IMPACT OF CLIMATE CHANGE ON EARLY SOIL ECOSYSTEMS
HEMBREE, Daniel I. and NADON, Gregory C., Department of Geological Sciences, Ohio University, 316 Clippinger Laboratories, Athens, OH 45701, hembree@ohio.edu, hembree@ohio.edu
12
4:15 PM
ALUMINUM SUBSTITUTION IN GOETHITE FROM THE LATE ORDOVICIAN NEDA FORMATION: IMPLICATIONS FOR ENVIRONMENT OF FORMATION AND POST-BURIAL WEATHERING
AUSTIN, Jason C., Geology, University of Georgia, 45 Lamar Lane, Hoschton, GA 30548 and SCHROEDER, Paul A., Geology, Univ of Georgia, 210 Field Street, Athens, GA 30602-2501, jaycaustin@live.com, jaycaustin@live.com
13
4:30 PM
SOIL FORMATION BENEATH THE EARTH'S OLDEST KNOWN (3.46 GA) UNCONFORMITY?
ALTINOK, Efem, Astrobiology Research Center & The Department of Geosciences, The Pennsylvania State University, Deike Bldg #407, Univeristy Park, PA 16802 and OHMOTO, Hiroshi, Astrobiology Research Center & Dept. of Geosciences, The Pennsylvania State University, 435 Deike Building, University Park, PA 16802, ealtinok@geosc.psu.edu, ealtinok@geosc.psu.edu
14
4:45 PM
GEODYNAMIC SIGNIFICANCE OF SUPERSOLS IN THE STRATIGRAPHIC RECORD
DECELLES, Peter G., Department of Geosciences, University of Arizona, Tucson, AZ 85721, decelles@geo.arizona.edu, decelles@geo.arizona.edu
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