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Hi I didn't follow this thread very closely so perhaps my response is obsolete. By chance I bumped into a graph showing sea level and land area from E Jurassic to Miocene published in "Jones, C.E. and Jenkyns, H.C., 2001. Seawater strontium isotopes, oceanic anoxic events, and seafloor hydrothermal activity in the Jurassic and Cretaceous. American Journal of Science, 301: 112-149". http://earth.geology.yale.edu/~ajs/2001/Feb/qn020100112.pdf Regards Ludvig Mike Everhart wrote: > 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 >>> >> >> >> > > > > -- Dr. Ludvig Löwemark \ Adjunct assistant professor Department of Geosciences, National Taiwan University No 1, Sec 4, Roosevelt Road \ Office 229 P.O. Box 13-318, Taipei 106, TAIWAN Fax +886-2-23636095 CELL-0928073143 http://ccms.ntu.edu.tw/~ludvig/
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