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The Geology of North-East Jan Mayen

Published online by Cambridge University Press:  01 May 2009

G. D. Nicholls
G. D. Nicholls
Affiliation:
Dept. of Geology, The University, Manchester.
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Abstract

Field observations collected on a short expedition to Jan Mayen indicate that ankaramite was extruded at three different periods at the north-eastern end of the island, either as lava flows or pyroclastic deposits. Cycles of volcanic activity, in which the earlier lavas are ankaramite and the later ones trachybasaltic, have been recognized.

Type
Articles
Information
Geological Magazine , Volume 92 , Issue 2 , April 1955 , pp. 127 - 140
Copyright
Copyright © Cambridge University Press 1955

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References

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