2005 Salt Lake City Annual Meeting (October 16–19, 2005)
Session No. 150 Tuesday, 18 October 2005
8:00 AM-12:00 PM, Salt Palace Convention Center: Ballroom F

T85. Traces of Life: Micro- to Macroscopic Evidence of Past and Present Biogenic Activity and their Implications

Stephen T. Hasiotis and Jennifer A. Roberts, Presiding
 Paper #Start Time
150-18:00 AM THE IDENTIFICATION AND INTERPRETATION OF FOSSORIAL REPTILE ICHNOFOSSILS THROUGH ACTUALISTIC STUDIES: HEMBREE, Daniel I., Department of Geological Sciences, Ohio University, 316 Clippinger Laboratories, Athens, OH 45701, danhem@ku.edu
150-28:15 AM ABUNDANT TRACE FOSSILS OF SAND-SWIMMING REPTILES PRESERVED IN CROSS-STRATA DEPOSITED HIGH ON THE FLANKS OF GIANT JURASSIC DUNES: LOOPE, David B., Univ Nebraska - Lincoln, 214 Bessey Hall, Lincoln, NE 68588-0340, dloope1@unl.edu
150-38:30 AM MASS AGGREGATIONS OF THREE-DIMENSIONAL RUSOPHYCUS-LIKE MEGABURROWS IN THE CHAGRIN SHALE (FAMENNIAN) OF ASHTABULA COUNTY, OHIO: HANNIBAL, Joseph T., UMSTEAD, Monica A., and STEFANO, Christopher J., Cleveland Museum of Natural History, 1 Wade Oval Drive, Cleveland, OH 44106-1767, hannibal@cmnh.org
150-48:45 AM THE SEDIMENTOLOGIC, DIAGENETIC AND STRATIGRAPHIC SIGNIFICANCE OF GLOSSIFUNGITES- AND TRYPANITES- DEMARCATED DISCONTINUITY SURFACES IN AN UPPER TRIASSIC MIXED SILICICLASTIC-CARBONATE SUCCESSION, NORTHEASTERN BRITISH COLUMBIA, CANADA: ZONNEVELD, John-Paul, Geological Survey of Canada, 3303 33rd Street NW, Calgary, AB T2L 2A7, Canada, jzonneve@nrcan.gc.ca, GINGRAS, Murray, Earth and Atmospheric Sciences, Univ of Alberta, 1-26 Earth Sciences Building, Edmonton, AB T6G 2E3, Canada, BEATTY, Tyler, Geology and Geophysics, University of Calgary, Calgary, AB T2N 1N4, Canada, and ORCHARD, Michael, Geol Survey of Canada, 101-605 Robson St, Vancouver, BC V6B 5J3, Canada
150-59:00 AM BORED TURTLES ALONG PALEOLAKE GOSIUTE STRANDLINES, WASATCH FORMATION, SOUTH PASS, WYOMING: ZONNEVELD, John-Paul, Geological Survey of Canada, 3303 33rd Street NW, Calgary, AB T2L 2A7, Canada, jzonneve@nrcan.gc.ca, BARTELS, William S., Department of Geological Science, Albion College, Albion, MI 49224, Wbartels@albion.edu, and GUNNELL, Gregg F., Museum of Paleontology, University of Michigan, Ann Arbor, MI 48109
150-69:15 AM COMPRESSION ANALYSIS AND THE BIOGENIC MODIFICATION OF ABIOGENIC SUBSTRATES: CORSETTI, Frank A.1, WAGSTAFF, Kiri L.2, BONUSO, Nicole1, and SMITH, Matthew1, (1) Department of Earth Sciences, Univ of Southern California, Los Angeles, CA 90089, fcorsett@usc.edu, (2) Machine Learning Systems Group, Jet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109
 9:30 AM Break
150-79:45 AM BIOTURBATION AS A PROXY FOR INFAUNAL ANIMAL ACTIVITY IN PERMIAN – JURASSIC FRESHWATER DEPOSITS: MILLER, Molly F., Earth and Environmental Sciences, Vanderbilt Univ, 1805 Sta B, 2301 Vanderbilt Place, Nashville, TN 37235, Molly.F.Miller@vanderbilt.edu, MCDOWELL, Trent, Department of Geological Sciences, Univ of North Carolina - Chapel Hill, Chapel Hill, NC 27599-3315, BERRIOS, Lisa, Department of Geology, Vanderbilt Univ, Nashville, TN 37235, and SHYR, Yu, Department of Biostatistics, Vanderbilt University, 578 Preston Building 6848, Nashville, TN 37232
150-810:00 AM DISCERNING FRESH- AND BRACKISH-WATER TRACE FOSSILS AND IDENTIFYING THE TRANSITION BETWEEN THE TWAIN: GINGRAS, Murray, Earth and Atmospheric Sciences, Univ of Alberta, 1-26 Earth Sciences Building, Edmonton, AB T6G 2E3, Canada, mgingras@ualberta.ca, HASIOTIS, Stephen T., Geology, The Univ of Kansas, 120 Lindley Hall, 1475 Jayhawk Blvd, Lawrence, KS 66045-7613, and ZONNEVELD, John-Paul, Geological Survey of Canada, 3303 33rd Street NW, Calgary, AB T2L 2A7, Canada
150-910:15 AM ANOMALOUS PALEOECOLOGY OF A NEOGENE FOSSIL SITE, GRAY, TN, USA: UTILIZING STABLE ISOTOPE ANALYSES TO INTERPRET CANOPY DENSITY: DESANTIS, Larisa R., Zoology Department, University of Florida/FLMNH, PO Box 118525, Gainesville, FL 32611-8525, lgrawe@flmnh.ufl.edu and WALLACE, Steven C., East Tennessee State University, PO box 70636, Johnson City, TN 37614
150-1010:30 AM TRACES OF LIFE: DISTINGUISHING BETWEEN ORGANISM-SUBSTRATE INTERACTIONS AND THE CHEMICAL FINGERPRINTS OF LIFE: HASIOTIS, Stephen T., Department of Geology, The Univ of Kansas, 1475 Jayhawk Blvd, 120 Lindley Hall, Lawrence, KY 66045-7613, StephenHasiotis@hotmail.com and ROBERTS, Jennifer, Department of Geology, University of Kansas, 1475 Jayhawk Blvd, Lawrence, KS 66045
150-1110:45 AM EXPLORING THE ROLE OF MICROBIAL PROCESSES ON SPELEOTHEM FORMATION: A LOOK INTO CALCIUM CARBONATE SPELEOGENESIS: DECHOUDENS-SANCHEZ, Vionette, ROBERTS, Jennifer A., and GONZÁLEZ, Luis A., Department of Geology, University of Kansas, 1475 Jayhawk Blvd, Lindley Hall Room 120, Lawrence, KS 66045-7613, viode@ku.edu
150-1211:00 AM MIDDLE CAMBRIAN MICROBIAL COMMUNITIES ALONG A BATHYMETRIC GRADIENT: WESTFIELD, Isaac T.1, LIDDELL, W. David1, and BRETT, Carlton E.2, (1) Department of Geology, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505, isaactw@cc.usu.edu, (2) Department of Geology, University of Cincinnati, 500 Geology/Physics Bldg, Cincinnati, OH 45221-0013
150-1311:15 AM GROWTH OF CONIFORM MICROBIAL MATS FROM LABORATORY EXPERIMENTS ON STROMATOLITES FROM CARRIZO CREEK, CALIFORNIA: AWRAMIK, S.M., Department of Earth Science, University of California, Santa Barbara, CA 93106, awramik@geol.ucsb.edu, BUCHHEIM, H.P., Department of Earth and Biological Sciences, Loma Linda University, Loma Linda, CA 92350, and CHAPMAN, D.J., Department of Ecology, Evolution and Marine Biology, University of California, Santa Barbara, CA 93106
150-1411:30 AM HUNTING FOR NOVEL BIOSIGNATURES: NEW INSIGHTS FROM WEATHERING STUDIES OF ULTRAMAFIC ROCKS BY A TROPICAL MICROBIAL MAT: FOWLE, David A., CROWE, Sean A., O'NEILL, Andrew H., and WEISENER, Christopher J., Great Lakes Institute for Environmental Research, Univ of Windsor, 401 Sunset Ave, Windsor, ON N9B 3P4, Canada, fowle@uwindsor.ca
150-1511:45 AM ENERGY ABSORPTION SPECTROSCOPY OF CARBONACEOUS MATERIAL IN PRECAMBRIAN CHERTS: DE GREGORIO, Bradley T., Geological Sciences, Arizona State Univ, P.O Box 871404, Tempe, AZ 85287-1404, degregorio@asu.edu and SHARP, Thomas G., Department of Geological Sciences, Arizona State Univ, PO Box 871404, Tempe, AZ 85287-1404

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