Charnockites of india and antarctica a comparison

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Pichamuthu, C.S. (1966) Charnockites of india and antarctica a comparison. Proceedings of the Indian Academy of Sciences - Section B, 64 (04). pp. 205-215. ISSN 0370-0097

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Abstract

Antarctica is an important component of Gondwanaland, and its geology has many points of resemblance with that of India. The high grade metamorphic rocks, of which charnockite is a conspicuous member, have many characteristics which are common to both regions. Khondalites, pink granites and gneisses, and enderbites are associated with charnockites. Regional metamorphism has often charnockitized the country rocks with formation of “phantom charnockites”, and ultrametamorphism has resulted in migmatization and rheomorphism. Palingenetic charnockites exhibit intrusive phenomena. Faulting and repeated large-scale block movements are common. Charnockites of widely differing ages have been recognized. A widespread plutonic activity took place about 500 million years ago.

Item Type: Article
Subjects: Faculty of Science > Earth Sciences > Geology
Divisions: Jnana Bharathi / Central College Campus > Department of Geology
Depositing User: Mr. Narayanaswamy B V
Date Deposited: 27 Aug 2016 05:38
Last Modified: 27 Aug 2016 05:38
URI: http://eprints-bangaloreuniversity.in/id/eprint/4870

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