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Deccan Trap Volcanic Eraption Affected the Archaean Dharwar Craton of Southern India: Seismic Evidences
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There have been suggestions that the Indian continental lithosphere remained unaffected by the Deccan Trap volcanic event which took place at about 65 Ma back near western continental margin. The present study of the seismic structure of south Indian shield, however, does not support such proposition. A large part of the Dhaiwar craton crust, specially those covered by the Deccan flood basalts, appears highly enriched or possibly replaced by extruded magmatic material, thereby making it even denser than the mafic granulitic terrain of southern India.
Keywords
Deccan Trap, Dharwar Craton, Volcanism, Seismic, Archaean, Southern India.
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