Dear Friends, In the Journal of the Geological Society, there is a new paper on the proposed Silverpit Impact Structure. It is:
Wall, M.L.T. , and J. Cartwright and R.J. Davies, 2008, An Eocene age for the proposed Silverpit Impact Crater. Journal of the Geological Society. vol. 165, no. 4, pp. 781-794 DOI: 10.1144/0016-76492007-138 http://ejournals.ebsco.com/Article.asp?ContributionID=1441435 http://ejournals.ebsco.com/direct.asp?ArticleID=4ABEBE2BF6408E5C5CB6 Using seismic stratigraphy, and microfossil, including calcareous nannofossil, data from regional wells, they dated the age of the first sediments onlapping into this structure. This relationship suggests that the structure is Middle Eocene in age. As a result, they conclude that this structure is 10 to 15 million years younger than previous age estimates and this structure is far too young to be associated with the K-T boundary. They also argue that the Silverpit structure is considerably younger than when regional folding and salt flowage occurred. This, they argue makes it too young to have been created by this regional folding and salt flowage as argued by other papers. Silverpit crater http://en.wikipedia.org/wiki/Silverpit_crater North Sea crater shows its scars http://news.bbc.co.uk/1/hi/sci/tech/4360815.stm Yours, Paul H. ______________________________________________ http://www.meteoritecentral.com Meteorite-list mailing list [email protected] http://six.pairlist.net/mailman/listinfo/meteorite-list
