Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)

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Are Patna and Bisanattam Granites (Adjoining the Kolar Schist Belt) cogenetic?


Affiliations
1 School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India
2 Department of Earth and Space Sciences, Slate University of New York, Stony Brook, New York 11794, United States
     

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Structural and geochemical evidence including major and trace elements, and Pb-isotopic data on K-feldspars, froin the granitoid rocks adjoining the Kolar Schist Belt are presented to show (1) that the Patna Granite an the NW of the belt is dissimilar to any granitoid rock E of the belt and (2) that the main granitoid gneiss immediately E of the belt, the Karnbha Gneiss, is nearly identical to the Bisanattam Granite of Narayanaswamy er al (1960).
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  • Are Patna and Bisanattam Granites (Adjoining the Kolar Schist Belt) cogenetic?

Abstract Views: 176  |  PDF Views: 3

Authors

V. Rajamani
School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India
E. J. Krogstad
Department of Earth and Space Sciences, Slate University of New York, Stony Brook, New York 11794, United States
G. N. Hanson
Department of Earth and Space Sciences, Slate University of New York, Stony Brook, New York 11794, United States
S. Balakrishnan
School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India

Abstract


Structural and geochemical evidence including major and trace elements, and Pb-isotopic data on K-feldspars, froin the granitoid rocks adjoining the Kolar Schist Belt are presented to show (1) that the Patna Granite an the NW of the belt is dissimilar to any granitoid rock E of the belt and (2) that the main granitoid gneiss immediately E of the belt, the Karnbha Gneiss, is nearly identical to the Bisanattam Granite of Narayanaswamy er al (1960).