Session Programme Meeting Programme Personal Programme Search
	Quick Search Author Title Abstract Nr. Schedule Nr. Programme Groups Atmospheric Sciences Biogeosciences Climate: Past, Present, Future Cryospheric Sciences Energy, Resources and the Environment Geodesy Geodynamics Geomorphology Geophysical Instrumentation Hydrological Sciences Magnetism, Palaeomagnetism, Rock Physics & Geomaterials Natural Hazards Nonlinear Processes in Geophysics Ocean Sciences Planetary and Solar System Sciences Seismology Soil System Sciences Solar-Terrestrial Sciences Stratigraphy, Sedimentology and Paleontology Tectonics and Structural Geology Volcanology, Geochemistry, Petrology & Mineralogy Union Symposia Educational Symposia   Oral Programme - US10 Great Debates in the Geosciences Select contributions you wish to be included in your Personal Programme and press "Add" to Personal Programme. Finally, click on "Personal Programme" to modify, view, print, save or export your Personal Programme. Please, click Abstract Number to find the corresponding abstract as PDF file; if necessary, download Adobe Acrobat Reader 4.0 first to open the file. Any abstract may be freely reproduced for non-commercial, scientific purposes; however, the moral right of the author(s) to be identified as the author(s) of such abstracts is asserted. Convener: Arndt, N. Co-Convener: Co-Sponsorship: Wednesday, 27 April 2005 Lecture Room: Hall A Chairperson: N.N. Select complete timeblock 17:30 - 17:45 EGU05-A-11196;  US10-1TH5O-001 Courtillot, V.; Thordarson, T. Flood basalts appear to be the main cause of biological mass extinctions in the Phanerozoic 18:00 - 18:15 EGU05-A-11195;  US10-1WE5O-003 Smit, J. Floodvolcanism is the main cause of mass extinctions: Nice try, but where is the evidence? 18:15 - 18:30 EGU05-A-11201;  US10-1WE5O-005 Becker, L. A re-examination of the hypotheses for the Permian-Triassic Boundary extinction event 18:30 End of the Day Thursday, 28 April 2005 Lecture Room: Hall D Chairperson: N.N. Select complete timeblock 17:30 - 17:45 EGU05-A-11198;  US10-1TH5O-001 Russell, M. The theoretical case for the onset of oxygenic photosynthesis in the Hadean 17:45 - 18:00 EGU05-A-11197;  US10-1TH5O-002 Kirschvink, J.L.; Kopp, R.E. Arguments for the late evolution of Oxygenic Photosynthesis at ~2.3 Ga: A Trigger for the Paleoproterozoic Snowball Earth 18:00 - 18:15 EGU05-A-11194;  US10-1TH5O-003 Westall, F. Absence of significant levels of oxygen on the early Earth: the fossil record 18:15 - 18:30 EGU05-A-11202;  US10-1TH5O-005 Rosing, M. Early Archaean oxygenic photosynthesis – The observational approach. 18:30 END OF SESSION to Personal Programme and Back to Session Programme Back to Session Programme

©2002-2008 Copernicus Systems + Technology GmbH