The mid-Cretaceous succession of Orphan Knoll (northwest Atlantic): micropalaeontology and palaeo-oceanographic implications

Micropalaeontological investigation of the mid-Cretaceous succession (Albian–Cenomanian) of Orphan Knoll (northwest Atlantic Ocean) has allowed direct stratigraphic comparison with successions of a similar age elsewhere in the area of the North Atlantic Ocean. The microfaunal evidence presently avai...

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Bibliographic Details
Published in:Canadian Journal of Earth Sciences
Main Author: Hart, Malcolm B.
Format: Article in Journal/Newspaper
Language:English
Published: Canadian Science Publishing 1976
Subjects:
General Earth and Planetary Sciences
Orphan Knoll
North Atlantic
Northwest Atlantic
Online Access:http://dx.doi.org/10.1139/e76-145
http://www.nrcresearchpress.com/doi/pdf/10.1139/e76-145
Description
Summary:Micropalaeontological investigation of the mid-Cretaceous succession (Albian–Cenomanian) of Orphan Knoll (northwest Atlantic Ocean) has allowed direct stratigraphic comparison with successions of a similar age elsewhere in the area of the North Atlantic Ocean. The microfaunal evidence presently available suggests a major world-wide eustatic change in the mid-Cenomanian, together with associated changes in the surface water circulation of the Cretaceous North Atlantic Ocean.

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