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A note on the origin of syntectonic porphyroblasts and their inclusion fabrics

Published online by Cambridge University Press:  01 May 2009

M. J. De Wit
M. J. De Wit*
Affiliation:
Lamont-Doherty Geological Observatory of Columbia University, Palisades, New York 10964, U.S.A.
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Summary

Previous mechanisms of syntectonic growth of porphyroblasts, leading to sigmoidal inclusion patterns, are thought to be based on invalid assumptions. A new mechanism, which involves the formation of extension fractures, is outlined.

Type
Research Article
Information
Geological Magazine , Volume 113 , Issue 4 , July 1976 , pp. 383 - 388
Copyright
Copyright © Cambridge University Press 1976

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