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  Oral Programme - US10 Great Debates in the Geosciences

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Convener: Arndt, N.
Co-Convener:
Co-Sponsorship:

Wednesday, 27 April 2005

Lecture Room: Hall A

Chairperson: N.N.

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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.

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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




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