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

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Charnockites of Visakhapatnam, Andhra Pradesh


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1 Department of Geology, Andhra University, Waltair 530003, India
 

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The tonalitic charnockites from Visakhapatnam, Andhra Pradesh, belong to 2,600 m y. age. They were structurally emplaced along the axes of NE and E plunging overturned isoclinal synclines exhibited by khondalites. The palingenetic charnockites of granodioritic composition have indicated an age of 2,000 m.y., which corresponds to the age of NW-SE cross-folds in the Eastern Ghats of Andhra Pradesh.
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  • Charnockites of Visakhapatnam, Andhra Pradesh

Abstract Views: 178  |  PDF Views: 195

Authors

A. Sriramadas
Department of Geology, Andhra University, Waltair 530003, India
A. T. Rao
Department of Geology, Andhra University, Waltair 530003, India

Abstract


The tonalitic charnockites from Visakhapatnam, Andhra Pradesh, belong to 2,600 m y. age. They were structurally emplaced along the axes of NE and E plunging overturned isoclinal synclines exhibited by khondalites. The palingenetic charnockites of granodioritic composition have indicated an age of 2,000 m.y., which corresponds to the age of NW-SE cross-folds in the Eastern Ghats of Andhra Pradesh.