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Thanks..... The graphic certainly shows the highstand during the Late Cretaceous... now I need to convert depth into areal coverage... I might take this opportunity to remind everyone that the cited Hallam article: Hallam, A. 1989. The case for sea-level change as a dominant causal factor in mass extinctions of marine invertebrates. /Phil. Trans. Royal Soc. B/ 325, 437-455. and many others are available on-line (and free) from the Royal Society website through mid-November: http://www.royalsoc.co.uk/news.asp?id=5165 Click on the "archives" at the bottom of the page. Regards, Mike Everhart > Based on sea level curves by Hallam et al. and Exxon, sea level varied > greatly during the Cretaceous: > http://en.wikipedia.org/wiki/Image:Phanerozoic_Sea_Level.png > > Though its maximum was indeed ~250 m higher. > > Andy L A Johnson wrote: > >> Mike, >> >> Some years ago Jake (J.M.) Hancock made an estimate of sea-level in the >> Cretaceous relative to today - 250 metres higher, I think. ??J. Geol. >> Soc. Lond. >> Andy Johnson >> > > >
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