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

S. H. Jafri ¹, D. V. Subba Rao ¹, S. M. Ahmad ¹, Ramavati Mathur ¹

Affiliations
1 National Geophysical Research Institute, Hyderabad-500007, IN

Abstract

Spinifex textured ultramafic rocks occur at Bhaktarahalli in Nuggihalli schist belt and as an enclave within the Peninsular Gneiss near Dodda Gudda, Holenarasipur belt in Hassan District. They have Komatiitic chemistry pointing to ultramafic volcanism in the Dharwar Craton during the Archaean Era.

Keywords

Petrology, Geochemistry, Spinifex Texture, Komatiite, Karnataka.

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