Session No. G3 Monday, June 25, 2001

10:00 AM-3:00 PM, Edinburgh International Conference Centre: Pentland
G3. Geological Evolution of the Earth System: Precambrian to Early Paleozoic
Martin Brasier, Presiding
Start Time
10:00 AM Introductory Remarks
10:05 AM ORIGIN OF PHOTOSYNTHESIS: NISBET, E. G., Dept. of Geology, Royal Holloway, Univ. of London, Egham TW20 0EX United Kingdom, e.nisbet@gl.rhul.ac.uk.
10:35 AM GE/SI RATIOS AS A TRACER FOR SILICA IN THE DALES GORGE MEMBER OF THE HAMERSLEY GROUP, WESTERN AUSTRALIA: HAMADE, Tristan1, KONHAUSER, Kurt1, and GOLDSMITH, Sarah2, (1) School of Earth Sciences, Univ of Leeds, Leeds, LS2 9JT, United Kingdom, Tristan@earth.leeds.ac.uk, (2) Department of Earth Sciences, Cardiff Univ, Cardiff, CF1 3YE, United Kingdom
10:55 AM ICE AGES, ISOTOPES AND BIOLOGICAL TURNOVER IN THE PROTEROZOIC-CAMBRIAN: BRASIER, Martin D., Earth Sciences, Oxford Univ, Parks Road, Oxford OX1 3PR United Kingdom, martinb@earth.ox.ac.uk.
11:25 AM Discussion
11:35 AM THE NATURE AND EVOLUTION OF THE EARLY PALEOZOIC WORLD: BARNES, Christopher R., School of Earth and Ocean Sciences, Univ of Victoria, P.O. Box 3055, Victoria, BC V8W 3P6 Canada, crbarnes@uvic.ca.
12:05 PM INVESTIGATING THE CAUSES FOR PERTURBATIONS IN THE GLOBAL CYCLING OF CARBON: INSIGHTS FROM STRONTIUM ISOTOPES: GLUMAC, Bosiljka, Department of Geology, Smith College, Northampton, MA 01063, bglumac@science.smith.edu.
12:25 PM A PULSE OF MARINE ORGANIC CARBON TO THE ABYSS: A(NOTHER) POSSIBLE MECHANISM FOR HIGH d13C VALUES DURING THE LATE ORDOVICIAN GLACIAL EPOCH?: RIPPERDAN, Robert L., Department of Geology, Univ of Puerto Rico, Mayaguez, PO Box 9107, Mayaguez, PR 00681, ripperdan@rumac.uprm.edu, BERRY, William B.N., Department of Earth & Planetary Science, Univ of California, Berkeley, McCone Hall #4767, University of California, Berkeley, CA 94720, and FINNEY, Stanley C., California State Univ - Long Beach, Dept Geological Sciences, Long Beach, CA 90840-3902,
12:45 PM COLONIZATION OF THE DEEP-MARINE ENVIRONMENT IN THE EARLY PHANEROZOIC: THE ICHNOFAUNAL RECORD: ORR, Patrick J., Department of Geology, National Univ of Ireland, Galway, Galway Ireland, Patrick.Orr@nuigalway.ie.
1:05 PM Lunch
1:50 PM PALAEOPROTEROZOIC PLATE COLLISION IN NORTHERN AUSTRALIA: THE HALLS CREEK OROGEN: TYLER, Ian M.1, SHEPPARD, Stephen1, GRIFFIN, Timothy J.1, and PAGE, Rodney W.2, (1) Geol Survey of Western Australia, Mineral House, 100 Plain Street, East Perth, 6004, Australia, i.tyler@dme.wa.gov.au, (2) Australian Geol Survey Organisation, GPO Box 378, Canberra, 2601, Australia
2:10 PM TECTONIC EVOLUTION OF THE BROKEN HILL REGION, SOUTH-CENTRAL AUSTRALIA AS A KEY TO IMPROVED RECONSTRUCTIONS OF RODINIA: GIBSON, George M., Australian Geological Survey Organisation, PO Box 378, Canberra ACT 2601 Australia, george.gibson@agso.gov.au.
2:30 PM PALAEOZOIC BUILDING OF EUROPE: IDENTITY AND ORIGINS OF CRUSTAL BLOCKS ACCRETED TO BALTICA ALONG THE TRANS-EUROPEAN SUTURE ZONE: WINCHESTER, John A.1, PHARAOH, Timothy C.2, and CROWLEY, Quentin G.1, (1) School of Earth Sciences & Geography, Keele Univ, Keele, Staffs, ST5 5BG, England, j.a.winchester@esci.keele.ac.uk, (2) British Geol Survey, Kingsley Dunham Centre, Keyworth, Notts, NG12 5GG, England
2:50 PM Concluding Remarks

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