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  List of Accepted Contributions - US10 Great Debates in the Geosciences

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.

Westall, F.
Absence of significant levels of oxygen on the early Earth: the fossil record

Smit, J.
Floodvolcanism is the main cause of mass extinctions: Nice try, but where is the evidence?

Courtillot, V.; Thordarson, T.
Flood basalts appear to be the main cause of biological mass extinctions in the Phanerozoic

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

Russell, M.
The theoretical case for the onset of oxygenic photosynthesis in the Hadean

Becker, L.
A re-examination of the hypotheses for the Permian-Triassic Boundary extinction event

Rosing, M.
Early Archaean oxygenic photosynthesis The observational approach.

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