Abstract

Heat flow data for Peninsular India show that its cratonic blocks, Proterozoic mobile belts and joints, along some of which the cratons probably accreted to form the Indian landmass are characterized by distinctly different values of heat flow density. We have found that low heat flow values (Qav ≤ 41 mW m −2) prevail in the eastern and western Dharwar cratons and the Aravalli-Bundelkhand craton. The joints/rifts/grabens and Proterozoic mobile belts, like Son-Mahanadi valley, Satpura basin, Pranahita-Godavari valley, Delhi and Singhbhum thrust zone mobile belts, are associated with higher heat flow than in the central parts of the above-mentioned continental blocks.

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