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Earth System Processes 2 (8–11 August 2005)

Session No. 42
Wednesday, 10 August 2005: 1:30 PM-4:30 PM

T21. Microbial Ecology and Geobiology

GSA Geobiology & Geomicrobiology Division; AGU Biogeosciences Section

 

Ulrich G. Wortmann and Susan Pfiffner, Advocates
Paper #
Start Time
1
1:30 PM
Withdrawn
2
2:10 PM
MINERALOGICAL CONTROLS ON NUTRIENT (N AND P) SUPPLY IN THE DEEP BIOSPHERE
MANNING, David A.C.1, LARTER, Steve2 and BENNETT, Barry2, (1)Civil Engineering & Geosciences, University of Newcastle, Newcastle upon Tyne, NE1 7RU, (2)Geology and Geophysics, University of Calgary, 44 Campus Place, NW, Calgary, AB T2N 1N4, Canada, david.manning@ncl.ac.uk, david.manning@ncl.ac.uk
3
2:30 PM
CHARACTERIZING BULK ORGANICS IN THE DEEP ROCK SAMPLES FROM THE MARS ANALOG RIO TINTO EXPERIMENT: AN ANALOG FOR THE SEARCH FOR DEEP SUBSURFACE LIFE ON MARS
BONACCORSI, Rosalba, Geological, Environmental, and Marine Sciences, University of Trieste, Via E Weiss, 2, Trieste, 34127 and STOKER, Carol R., NASA Ames Research Center, 245-3, Moffett Field CA 94035, Moffett Field, CA 94035, bonaccor@units.it, bonaccor@units.it
 
2:50 PM
Break
4
3:10 PM
STABLE ISOTOPE RATIOS PROVIDE INSIGHTS INTO MECHANISMS OF MICROBIAL SOURING CONTROL IN OIL FIELDS USING NITRATE OR NITRITE
HUBERT, Casey1, VOORDOUW, Gerrit1 and MAYER, Bernhard2, (1)Department of Biological Sciences, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada, (2)Applied Geochemistry Group, Department of Geoscience, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada, bmayer@ucalgary.ca, bmayer@ucalgary.ca
5
3:30 PM
A MODEL FOR VERTICALLY ORIENTED SURFACES IN MICROBIAL MATS
MURPHY, Megan A., SHEPARD, Rebekah N. and SUMNER, Dawn Y., Geology, Univ of California, 1 Shields Ave, Davis, CA 95616-5270, megmurphy@geology.ucdavis.edu, megmurphy@geology.ucdavis.edu
6
3:50 PM
DEVELOPMENT OF COMPLEX MORPHOLOGY IN A CYANOBACTERIAL LABORATORY MODEL SYSTEM: IMPLICATIONS FOR THE INTERPRETATION OF FOSSIL MICROBIALITES
SHEPARD, Rebekah N., ALEXANDER, Kathryn M., MURPHY, Megan and SUMNER, Dawn Y., Department of Geology, Univ of California, Davis, CA 95616, rnshepard@ucdavis.edu, rnshepard@ucdavis.edu
7
4:10 PM
DOLOMITE, MICROBIALITES AND SALT LAKES: CELEBRATING 75 YEARS OF LACUSTRINE DOLOMITE RESEARCH
LAST, William M.1, GINN, Fawn M.2, LONDRY, Kathleen3 and CHALATURNYK, Matthew1, (1)Univ Manitoba, 240 Wallace Bldg, Winnipeg, MB R3T 2N2, Canada, (2)Microbiology, University of Manitoba, 255 Wallace Building, Winnipeg, MB R3T 2N2, Canada, (3)Microbiology, University of Manitoba, Winnipeg, MB R3T 2N2, Canada, wm_last@umanitoba.ca, wm_last@umanitoba.ca
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