P-T Conditions of Metamorphism and Fluid Inclusion Characteristics of the Coorg Granulites, Karnataka

Srikantappa, C. and Venugopal, L. and Devaraju, J. and Basavalingu, B. (1994) P-T Conditions of Metamorphism and Fluid Inclusion Characteristics of the Coorg Granulites, Karnataka. Journal of the Geological Society of India, 44 (5). pp. 495-504.

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Abstract

Charnockites and basic granulites occur extensively around Coorg in Western Ghats. Minor metasedimentary rocks like kyanite/sillimanite bearing gneisses and ironstone also occur. A set of late dolerite dykes cross cut all the lithologies. The Coorg granulites record a near-peak metamorphic conditions of 720 to 760-degrees-C at pressures of 7 to 8.6 kb. Charnockites and basic granulites contain high-density (1.07 to 1.09 g/cc) carbonic inclusions. Micro-textures, mineral P-T and fluid inclusion data indicate `'clockwise'' P-T trajectory, pointing to a relatively rapid uplift/erosion of the Coorg granulites.

Item Type: Article
Subjects: F Earth Science > Geology
Divisions: Department of > Earth Science
Depositing User: Users 23 not found.
Date Deposited: 02 May 2021 04:31
Last Modified: 02 May 2021 04:31
URI: http://eprints.uni-mysore.ac.in/id/eprint/16221

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