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Potassium-argon ages from Tristan da Cunha, South Atlantic

Published online by Cambridge University Press:  01 May 2009

Ian McDougall  and
C. D. Ollier
Ian McDougall
Affiliation:
Research School of Earth Sciences, Australian National University, Canberra A.C.T. 2600, Australia
C. D. Ollier
Affiliation:
Department of Geography, University of New England, Armidale, N.S.W. 2351, Australia
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Summary

Potassium-argon ages measured on 11 volcanic rocks, mainly lavas, from Tristan da Cunha range from 0.21 ± 0.01 to 0.01 ± 0.02 Ma, and confirm the youthfulness of this volcano, which lies on the Walvis Ridge just to the east of the crest of the Mid Atlantic Ridge.

Type
Articles
Information
Geological Magazine , Volume 119 , Issue 1 , January 1982 , pp. 87 - 93
Copyright
Copyright © Cambridge University Press 1982

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References

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