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The Jurassic transgression and the mid-late Jurassic succession in Milne Land, central East Greenland

Published online by Cambridge University Press:  01 May 2009

J. H. Callomon
Affiliation:
University College London, Gower Street, London WC1E 6BT
T. Birkelund
Affiliation:
Institut for historisk geologi, Øster Voldgade 10, 1350 København K

Summary

New ammonite finds indicate that the sea transgressed over the crystalline basement of Milne Land, East Greenland, in Boreal Bathonian time and not in Middle Oxfordian as previously thought. A coral (Enallocoenia callomoni Beauvais) occurring in the transgressive Upper Bathonian deposits is the first hermatypic coral known from the Boreal Middle Jurassic. The unusually complete Boreal Upper Callovian–Oxfordian–Kimmeridgian ammonite succession is described; the faunas include remarkable occurrences of submediterranean genera (Hibolithes, Pachypictonia, Streblites). Finally, the sedimentary and tectonic evolution of Milne Land and adjacent areas in Jurassic time is outlined. It is shown that the area was characterized by gentle block-faulting.

Type
Articles
Copyright
Copyright © Cambridge University Press 1980

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