The formation of crenulation cleavage
Author:
- J. W. CosgroveJCJ. W. Cosgrove
- 1 April 1976
- journal article
- Published by Geological Society of London in Journal of the Geological Society
- Vol. 132 (2) , 155-178
Abstract
Investigation of a theory of buckling of an anisotropic material has enabled the micro-folding of mineral fabrics to be more clearly understood. It is shown that “Crenulations” (microfolds) are associated with a variety of buckling instabilities which develop in stressed mineral fabrics or finely laminated multi-layers. Crenulation cleavage planes are generally formed as a consequence of mineral migration which occurs in response to stress gradients intimately associated with the developing microfolds.Keywords
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