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

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The rocks of the Elchuru alkaline pluton are broadly classified into (a) mafic-rich alkaline rocks and (b) leucocratic alkaline rocks. Field and petrographic observations suggest that these alkaline rocks constitute a differentiated series which conformably intruded the pre-existing gneisses. The occurrence of mafic-rich alkaline rocks points to a magmatic origin of the pluton and its abyssal Source.
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