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Brittle and ductile deformational structures in tectonic zones: The research trends in India
N MANDAL, A CHATTOPADHAYAY, H B SRIVASTAVA, T K BISWAL,
Published in -
2012
Volume: 78
   
Issue: 3
Pages: 373 - 384
Abstract
We review the recent developments of structural geology in India, emphasizing the studies on brittle and ductile deformations in rocks. The Himalayan-Tibetan Mountain system has now become a focal point of tectonic studies, often leading to debatable, but exciting ideas and hypotheses. We provide a glimpse of the Indian contributions towards understanding of the structural processes, such as sequential thrusting, tectonic-surface process interactions and ductile extrusion in the Himalayan range. The Indian craton is crisscrossed by several continental-scale shear zones, marked by intense sheared rocks and intrusives. Some of these shear zones have reactivated later, giving rise to pseudotachylites implying generation of high frictional heat. We present a highlight of the work on these major ductile shear zones. © Printed in India.
About the journal
JournalProceedings of the Indian National Science Academy
Publisher-
ISSN0370-0046
Open AccessNo