Significance of pebble and mineral lineation in the Chamba syncline of Punjab Himalaya, Himachal Pradesh, India

Thakur, V. C. ; Tandon, S. K. (1976) Significance of pebble and mineral lineation in the Chamba syncline of Punjab Himalaya, Himachal Pradesh, India Geological Magazine, 113 (2). pp. 141-149. ISSN 0016-7568

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Official URL: http://journals.cambridge.org/production/action/cj...

Related URL: http://dx.doi.org/10.1017/S0016756800036438

Abstract

A pebble lineation has been produced as a result of the first phase deformation that formed the Chamba syncline and the associated slaty cleavage. The lineation indicates the principal direction of maximum elongation of the finite tectonic strain ellipsoid of the first phase deformation and lies nearly normal to the axial direction of the Chamba syncline. The mineral lineation and the long axes of deformed crinoid ossicles show paralelism to subparallelism with the pebble lineation. The second and third phases of deformation, which are characterized by open style folds and associated crenulation cleavage, appear to be of weak magnitude and have not modified the orientations of pebble lineation.

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Deposited On:17 Sep 2011 12:01
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