Relationship between shear zones and igneous activity: The Closepet Granite of Southern India

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Jayananda, M. and Mahabaleswar, B. (1991) Relationship between shear zones and igneous activity: The Closepet Granite of Southern India. Proceedings of the Indian Academy of Sciences - Earth and Planetary Sciences, 100 (1). pp. 31-36. ISSN 0973-774X

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Official URL: https://doi.org/10.1007/BF02843480

Abstract

The late Archaean Closepet granite of southern India is bounded by N-S trending shear zone. At the southern end of the granite both charnockite and granite veins are spatially associated with ductile shears. These shears continue further north and are confined to the contact zones in the central part of the granite outcrop. The main component of the shear zone are highly deformed granite sheets, augen gneisses and mylonites. Field observations and microstructural fabric of mylonites indicate a dextral sense of shear movement. Field evidence suggests that shear deformation was active throughout the evolution of the Closepet granite © 1991 Indian Academy of Sciences.

Item Type: Article
Additional Information: cited By 27
Uncontrolled Keywords: Shear zone granite charnockite mylonite deformation
Subjects: Faculty of Science > Earth Sciences > Geology
Divisions: Jnana Bharathi / Central College Campus > Department of Geology
Depositing User: Mr. Kirana Kumar D
Date Deposited: 02 Feb 2016 06:21
Last Modified: 29 Feb 2016 06:58
URI: http://eprints-bangaloreuniversity.in/id/eprint/409

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