K/Ar Age of Lower–Upper Cretaceous Boundary at Orphan Knoll (Labrador Sea)
The Albian–Cenomanian of Orphan Knoll yielded unrecrystallized, unheated, autochthonous glauconite. K/Ar ages for the Lower Cenomanian samples are 100, 91, and 105 Ma (average 99), and the K/Ar age for one Upper Albian (Vraconian) sample is 96 Ma. The non-sequential results do not allow for great co...
Published in: | Canadian Journal of Earth Sciences |
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Main Authors: | , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Canadian Science Publishing
1975
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Subjects: | |
Online Access: | http://dx.doi.org/10.1139/e75-135 http://www.nrcresearchpress.com/doi/pdf/10.1139/e75-135 |