2013 GSA Annual Meeting in Denver: 125th Anniversary of GSA (27-30 October 2013)
Session No. 300 Wednesday, 30 October 2013
8:00 AM-12:00 PM, Colorado Convention Center: Mile High Ballroom 1EF

Early Life and Taphonomy

Leigh Anne Riedman and John L. Moore, Presiding
 Paper #Start Time
300-18:00 AM PALEOPROTEROZOIC LIFE ON LAND AND THE RISE OF ATMOSPHERIC OXYGEN: RETALLACK, Gregory J., Department of Geological Sciences, University of Oregon, Eugene, OR 97403, gregr@uoregon.edu
300-28:15 AM FOSSILIZED BUBBLES IN MESOPROTEROZOIC STROMATOLITES: MORPHOLOGICAL EVIDENCE FOR OXYGENIC PHOTOSYNTHESIS OF CYANOBACTERIA IN ANCIENT MICROBIAL MATS: DAI, Zhen, State key Laboratory of Paleobiology and Stratigraphy, Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences, No.39 East Beijing Road, Nanjing 210008, China, Virginia Tech, Blacksburg, VA 24061, XIAO, Shuhai, Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, xiao@vt.edu, YUAN, Xunlai, Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences, Nanjing, 210008, China, and YIN, Leiming, Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences, Nanjing, 210008, China
300-38:30 AM POSSIBLE SCALE-BEARING PROTISTS IN THE MID-NEOPROTEROZOIC CHUAR GROUP, GRAND CANYON, AND UINTA MOUNTAIN GROUP, UTAH: PORTER, Susannah M., Earth Science, University of California at Santa Barbara, Santa Barbara, CA 93106, porter@geol.ucsb.edu, DEHLER, Carol M., Department of Geology, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505, MOORE, John L., Department of Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93106, RIEDMAN, Leigh Anne, Earth Science, University of California, Santa Barbara, 1006 Webb Hall, Department of Earth Science, UCSB, Santa Barbara, CA 93105, and WANG, Steve C., Mathematics and Statistics, Swarthmore College, 500 College Ave, Swarthmore, PA 19081
300-48:45 AM HIGH MORPHOLOGICAL DIVERSITY OF ORGANIC-WALLED MICROFOSSILS FROM THE MID-NEOPROTEROZOIC ALINYA FORMATION, OFFICER BASIN, AUSTRALIA: RIEDMAN, Leigh Anne, Earth Science, University of California, Santa Barbara, 1006 Webb Hall, Department of Earth Science, UCSB, Santa Barbara, CA 93105, lriedman@umail.ucsb.edu and PORTER, Susannah M., Earth Science, University of California at Santa Barbara, Santa Barbara, CA 93106
300-59:00 AM IMPACT, RNA-PROTEIN WORLD, AND THE ENDOPREBIOTIC ORIGIN OF LIFE: CHATTERJEE, Sankar, Geosciences, Museum of Texas Tech University, 3301 4th Street, Lubbock, TX 79409, sankar.chatterjee@ttu.edu
300-69:15 AM TWO TYPES OF PRESERVATION IN THE KHATYSPYT LAGERSTÄTTE, THE OLENEK UPLIFT, THE SIBERIAN PLATFORM: BYKOVA, Natalia, Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061, naticha@vt.edu
300-79:30 AM A NEW ‘PHYLLOPOD BED’-LIKE ASSEMBLAGE FROM THE BURGESS SHALE: STRATIGRAPHIC SETTING AND THE CATHEDRAL ESCARPMENT IN KOOTENAY NATIONAL PARK: GAINES, Robert R., Geology Department, Pomona College, 185 E. Sixth Street, Claremont, CA 91711, robert.gaines@pomona.edu, CARON, Jean-Bernard, Natural History (Paleobiology Section), Royal Ontario Museum, 100 Queen's Park, Toronto, ON M5S2C6, Canada, and STRENG, Michael, Department of Earth Sciences, Uppsala University, Norbyvägen, 22, 75236, Sweden
300-89:45 AM SHELL MICROSTRUCTURES OF CAMBRIAN HYOLITHOMORPH HYOLITHS: MOORE, John L., Department of Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93106, jlmoore@umail.ucsb.edu and PORTER, Susannah M., Earth Science, University of California at Santa Barbara, Santa Barbara, CA 93106
300-910:00 AM PHOSPHATIZATION OF VERMIFORM FOSSILS FROM THE WINNESHIEK LAGERSTÄTTE, WINNESHIEK SHALE, NORTHEAST IOWA: HAWKINS, Andrew D., Geosciences, Virginia Polytechnical and State University, 4044 Derring Hall, Blacksburg, VA 24060, andrewdh@vt.edu, XIAO, Shuhai, Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, LIU, Huaibao P., Iowa Department of Natural Resources, Geological and Water Survey, 109 Trowbridge Hall, Iowa City, IA 52242, and BRIGGS, Derek E.G., Dept. of Geology and Geophysics & Peabody Museum of Natural History, Yale University, 210 Whitney Avenue, P.O. Box 208109, New Haven, CT 06520
300-1010:15 AM TAPHONOMY OF ‘CYSTOIDS’ (ECHINODERMATA: DIPLOPORITA) FROM THE NAPOLEON QUARRY OF SOUTHEASTERN INDIANA: THE MIDDLE SILURIAN MASSIE FORMATION AS AN ATYPICAL KONSERVAT-LAGERSTÄTTE: THOMKA, James R.1, BRETT, Carlton E.2, YOUNG, Allison L.1, BANTEL, Thomas E.3, and BISSETT, Donald L.3, (1) Department of Geology, University of Cincinnati, 500 Geology-Physics Building, University of Cincinnati, Cincinnati, OH 45221, thomkajr@mail.uc.edu, (2) Department of Geology, University of Cincinnati, Cincinnati, OH 45221-0013, (3) Dry Dredgers, P. O. Box 210013, Cincinnati, OH 45221
 10:30 AM Break
300-1110:45 AM THE PALEOZOIC ENCRUSTING SCLEROBIONTS ALLONEMA AND ASCODICTYON: COMPONENT PARTS OF ORGANISMS BELONGING TO THE SAME PROBLEMATIC GROUP: WILSON, Mark A., Department of Geology, The College of Wooster, 944 College Mall, Wooster, OH 44691, mwilson@wooster.edu and TAYLOR, Paul D., Department of Earth Sciences, Natural History Museum, Cromwell Road, Natural History Museum, London, SW7 5BD, United Kingdom
300-1211:00 AM EMPIRICAL OBSERVATIONS OF FLUVIAL EGGSHELL TRANSPORT AND DEPOSITION: EVANS, Thomas, Department of Earth Sciences, Montana State University, PO Box 173480, Bozeman, MT 59717, cavertevans@gmail.com
300-1311:15 AM MICROWEAR ANALYSIS OF UNGULATES FROM THE ASHFALL FOSSIL BEDS: EFFECTS OF VOLCANIC ASH ON MICROWEAR: HOFFMAN, Jonathan M., Geology & Geophysics, University of Wyoming, Laramie, WY 82071, jhoffma9@uwyo.edu, FRASER, Danielle, Biology, Carleton University, Ottawa, ON K1S 5B6, and CLEMENTZ, Mark T., Geology and Geophysics, University of Wyoming, 1000 University Ave. University of Wyoming, Dept. 3006, Laramie, WY 82071
300-1411:30 AM ASSESSING FOSSIL BONE DEPOSITIONAL ENVIRONMENT FROM STRUCTURAL AND COMPOSITIONAL CHANGES: KEENAN, Sarah W. and ENGEL, Annette Summers, Dept. of Earth and Planetary Sciences, University of Tennessee, 1412 Circle Dr, Knoxville, TN 37996, skeenan1@utk.edu

Back to the 2013 GSA Annual Meeting in Denver: 125th Anniversary of GSA (27-30 October 2013)
General Information for this Meeting