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Tectonic transpression in Caledonian Spitsbergen

Published online by Cambridge University Press:  01 May 2009

W. B. Harland
W. B. Harland
Affiliation:
Department of Geology, Sedgwick Museum, Downing Street, Cambridge, CB2 3EQ
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Summary

In addition to the well-established extension, compression and transcurrent relative movements between plates of the lithosphere, this paper considers intermediate or oblique relative movements, namely, transtension and transpression. Transtension is already well established in oblique zones of ocean spreading which consist of stepped transform faults. Transpression is a more complex process. The tectonic consequences of a transpression model are outlined and it is suggested that the tectonic style in Caledonian Spitsbergen provides evidence for this transpression regime as an intermediate stage between compression and transcurrence. It is also suggested that transpression should occur generally and may relate the development of transcurrent faults in orogenic belts.

Type
Articles
Information
Geological Magazine , Volume 108 , Issue 1 , January 1971 , pp. 27 - 41
Copyright
Copyright © Cambridge University Press 1971

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