2004 Denver Annual Meeting (November 710, 2004)
Session No. 203 Wednesday, November 10, 2004
8:00 AM-12:00 PM, Colorado Convention Center: 107/109

T42. Authigenic Minerals in Modern and Ancient Terrestrial Aquatic Environments

Daniel Larsen and Daniel Deocampo, Presiding
 Paper #Start Time
203-18:00 AM GEOCHEMICAL RECORDS OF CLIMATIC CHANGE IN TUFA CARBONATE: A CRITICAL REVIEW: ANDREWS, Julian E., School of Environmental Sciences, Univ of East Anglia, Norwich NR4 7TJ, j.andrews@uea.ac.uk.
203-28:15 AM DOES LACUSTRINE TUFA REQUIRE A GROUND WATER SOURCE TO FLOURISH?: ROSEN, Michael R., U.S. Geol Survey, 333 W. Nye Lane, Carson City, NV 89706, mrosen@usgs.gov and COSHELL, Lee, Coshell &Associates, 72 Gladstone Ave, South Perth, 6151, Australia
203-38:30 AM CARBONATE HARDGROUNDS IN MAARS OF WESTERN VICTORIA, AUSTRALIA: A GLIMPSE AT MODERN LACUSTRINE DOLOMITE FORMATION: LAST, William M., CHALATURNYK, Matthew, and SOLYLO, Patrick, Univ Manitoba, 240 Wallace Bldg, Winnipeg, MB R3T 2N2, Canada, matt_chal@hotmail.com
203-48:45 AM EXPERIMENTAL INVESTIGATION OF TRACE ELEMENT RELEASE FROM IRON RICH LAKE SEDIMENTS DURING DISSIMILATORY IRON-REDUCTION: FOWLE, David A.1, CROWE, Sean A.1, and ROBERTS, Jennifer A.2, (1) Great Lakes Institute for Environmental Research, Univ of Windsor, 401 Sunset Ave, Windsor, ON N9B 3P4, Canada, fowle@uwindsor.ca, (2) Department of Geology, University of Kansas, 1475 Jayhawk Blvd, Lindley Hall Room 120, Lawrence, KS 66045-7613
203-59:00 AM MINERAL PRECIPITATION AT THERMAL SPRINGS IN THE KENYA RIFT VALLEY: RENAUT, Robin W., Department of Geological Sciences, Univ of Saskatchewan, Saskatoon, SK S7N 5E2, Canada, robin.renaut@usask.ca, JONES, Brian, Earth and Atmospheric Sciences, Univ of Alberta, 1-26 Earth Sciences Bldg, Edmonton, AB T6G 2E3, Canada, and OWEN, R. Bernhart, Dept of Geography, Hong Kong Baptist Univ, Kowloon Tong, Hong Kong, China
203-69:15 AM EARLY CEMENTATION OF SILICEOUS SINTERS IN HOT-SPRING SYSTEMS OF NEW ZEALAND: JONES, Brian, Earth and Atmospheric Sciences, Univ of Alberta, 1-26 Earth Sciences Bldg, Edmonton, AB T6G 2E3, Canada, brian.jones@ualberta.ca and RENAUT, Robin, Department of Geological Sciences, Univ of Saskatchewan, Saskatoon, SK S7N 5E2, Canada
 9:30 AM Break
203-79:45 AM QUATERNARY DEPOSITIONAL ENVIRONMENTS AND PALEOCLIMATE INTERPRETATIONS FROM LACUSTRINE EVAPORITE MINERALS: LOWENSTEIN, Tim K., Department of Geological Sciences, State Univ of New York, Binghamton, NY 13902, lowenst@binghamton.edu.
203-810:00 AM AUTHIGENIC ULTRAFINE CLAYS FROM A MIOCENE PALEOLAKE: PALEOHYDROLOGY IN THE BARSTOW BASIN, CALIFORNIA, USA: DEOCAMPO, Daniel, Department of Geology, California State Univ, California State University - Sacramento, CSUS Box 6043, 6000 J Street, Sacramento, CA 95819-6043, deocampo@csus.edu and PEDONE, Vicki, Department of Geological Sciences, California State Univ Northridge, 18111 Nordhoff St, Northridge, CA 91330-8266
203-910:15 AM FACTORS CONTROLLING AUTHIGENIC MINERALOGY IN THE PLIO-PLEISTOCENE LAKE TECOPA BEDS, SOUTHEASTERN CALIFORNIA, USA: LARSEN, Daniel and MCNEAL, Derrick, Earth Sciences, Univ. of Memphis, 402 Smith Bldg, Memphis, TN 38152, dlarsen@memphis.edu
203-1010:30 AM A SURVEY AND ASSESSMENT OF LACUSTRINE AUTHIGENIC MINERALS FROM THE MORRISON FORMATION, BIG HORN BASIN, WYOMING: JENNINGS, Debra S., Department of Geology, Univ of Kansas, 1475 Jayhawk Blvd, 120 Lindley Hall, Lawrence, KS 66045, debraj@ku.edu.
 10:45 AM Discussion
203-1111:00 AM PALEOHYDROLOGY OF LAKE BONNEVILLE DETERMINED BY MINERALOGY AND C, O, AND SR ISOTOPE COMPOSITIONS OF AUTHIGENIC CARBONATES: PEDONE, Vicki A., Dept Geological Sciences, California State Univ Northridge, 18111 Nordhoff Street, Northridge, CA 91330-8266, vicki.pedone@csun.edu.
203-1211:15 AM MECHANICAL MIXING OF CLIMATE PROXIES BY SEDIMENT FOCUSING IN PYRAMID LAKE, NEVADA: A CAUTIONARY TALE: SMOOT, Joseph P., US Geol Survey, 926A National Ctr, Reston, VA 20192, jpsmoot@usgs.gov and BENSON, Larry V., US Geological Survey, 3215 Marine Street, Boulder, CO 80303
203-1311:30 AM UNIQUE STABLE ISOTOPIC SIGNATURES IN ROSSELIA SOCIALIS BURROW CONCRETIONS FROM THE UPPER CRETACEOUS HORSESHOE CANYON FORMATION, ALBERTA, CANADA: ZORN, Marilyn E., MUEHLENBACHS, Karlis, GINGRAS, Murray K., and PEMBERTON, S. George, Earth and Atmospheric Sciences, Univ of Alberta, 1-26 ESB, Edmonton, AB T6G 2E3, mzorn@ualberta.ca
203-1411:45 AM DATING PALEOHYDROLOGIC EVENTS WITH AUTHIGENIC APOPHYLLITE: AN EXAMPLE FROM THE PERMIAN OF THE CENTRAL TRANSANTARCTIC MOUNTAINS, ANTARCTICA: ELLIOT, David H.1, FOLAND, Kenneth A.1, and FLEMING, Thomas H.2, (1) Geological Sciences and Byrd Polar Research Center, The Ohio State Univ, 125 South Oval Mall, Columbus, OH 43210, elliot.1@osu.edu, (2) Earth Sciences, Southern Connecticut State Univ, 501 Crescent St, New Haven, CT 06515

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