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BOUDINAGE, INTERNAL EXTENSIONAL
Model Experiments by Ghosh. Top shows development of boudinage in
anisotropic medium which is symmetrical because initial perturbations had
an orientation normal to laminae. Note the development of two distinct
zones of extensional single kink bands with negative dilation. The lower figure shows asymmetrical boudinage together with single
kink-bands negative dilational with one set better developed
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