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GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 273
Tuesday, 24 October 2017: 9:00 AM-6:30 PM
Halls 4EF (Washington State Convention Center)

T69. The Role of Silica in the Earth System: From Organisms to Global Biogeochemical Cycles (Posters)

GSA Geobiology & Geomicrobiology Division; GSA Sedimentary Geology Division; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; Paleontological Society; GSA Limnogeology Division
Authors will be present from 2 to 4 PM and 4:30 to 6:30 PM.
273-1
291
UNDERSTANDING ‘GRIDWORK’ TEXTURES WITHIN PROTEROZOIC EARLY DIAGENETIC CHERT
DUNHAM, Jeremy I., Earth and Planetary Sciences, University of Tennessee, Knoxville, TN 37996 and KAH, Linda C., Earth and Planetary Sciences, University of Tennessee, 1621 Cumberland Avenue, 602 Strong Hall, Knoxville, TN 37996, jdunham5@vols.utk.edu
273-2
292
LIGHT MICROSCOPY ANALYSIS OF WEST ANTARCTIC SUBGLACIAL SEDIMENTS: BIOGENIC SILICA PRESERVATION AND THE POTENTIAL FOR MICROBIAL COMMUNITY INTERACTIONS
BANE, Katherine, Geology and Environmental Geosciences, Northern Illinois University, 1425 W. Lincoln Highway, DeKalb, IL 60115, JAMES, Jennifer, Department of Geology, Northern Illinois University, 218 Normal Road, DeKalb, IL 60115, COENEN, Jason, Department of Geology and Environmental Geosciences, Northern Illinois University, University Davis Hall 312, Normal Rd, DeKalb, IL 60115 and SCHERER, Reed P., Geology and Environmental Geosciences, Northern Illinois University, University Davis Hall 312, Normal Rd, DeKalb, IL 60115, kbane@niu.edu
273-3
293
MICROBIALLY MEDIATED DISSOLUTION FEATURES ON FOSSIL SILICEOUS SPONGE SPICULES IN A WEST ANTARCTIC ICE SHEET SUBGLACIAL LAKE
JAMES, Jennifer, Department of Geology, Northern Illinois University, 218 Normal Road, DeKalb, IL 60115, BANE, Katherine, Geology and Environmental Geosciences, Northern Illinois University, 1425 W. Lincoln Highway, DeKalb, IL 60115, SCHERER, Reed P., Geology and Environmental Geosciences, Northern Illinois University, University Davis Hall 312, Normal Rd, DeKalb, IL 60115 and COENEN, Jason, Department of Geology and Environmental Geosciences, Northern Illinois University, University Davis Hall 312, Normal Rd, DeKalb, IL 60115, jjames4@niu.edu
273-4
294
BIOGENIC (DIATOM) SILICA PRODUCTION IN MANZANITA LAKE, LASSEN VOLCANIC NATIONAL PARK, CA
HOWARD, Kerry L., Department of Geological Sciences & Engineering, University of Nevada, Reno, University of Nevada, Reno / 0172, Reno, NV 89557, NOBLE, Paula J., Department of Geological Sciences & Engineering, University of Nevada, MS 172, Reno, NV 89557, FRINGS, Patrick J., Earth Surface Geochemistry, Helmholtz Centre Potsdam, GFZ German Research Centre for Geosciences, Telegraphenberg, Potsdam, 14473, Germany and CONLEY, Daniel J., Department of Geology, Lund University, Sölvegatan 12, Lund, 22362, Sweden, kerrylhoward@gmail.com
273-5
295
SILICA BODIES IN CONIFER FOLIAGE: RESULTS OF A COMMON-GARDEN EXPERIMENT AND IMPLICATIONS FOR THE HISTORY OF THE TERRESTRIAL SILICA CYCLE
WILSON, Jonathan P. and MUNVES, Nicholas M., Department of Biology, Haverford College, 370 Lancaster Ave., Haverford, PA 19041, jwilson@haverford.edu
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