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

D. Jayapaul ¹, Amitava kundu ², M. P. Gaur ¹, K. V. Krishnamurthy ³

Affiliations
1 Antarctica Division, Geological Survey of India, NH 5P, NIT, Faridabad- 121001., IN
2 EPMA Laboratory, Geological Survey of India, NH SP, Faridabad- 121001., IN
3 AMSE, Geological Survey of India, Bangalore-560078, IN

Abstract

The Skorvestallen batholith intrusive into granulitic crust consists of dominant coarse-grained pink granite, small rounded bodies of greenish grey fayalite granite, stocks of grey porphyritic biotite granite and porphyritic fayalite granite. These weakly peraluminous granites show A-type signatures with characteristic high Fe/(Fe + Mg), TilMg, HFSE such as Y and Zr, LREE and Zn. The granites crystallized at high temperatures and were emplaced at mid-crustal pressures. The paper discusses their possible mode of origin based on petrochemical studies.

Keywords

A-type granites, Petrology, Petrochemistry, Genesis, East Antarctica.

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S. Paranthaman ¹, K. V. Krishnamurthy ¹

Affiliations
1 Geological Survey of India, Training Institute Chitradurga Centre, Bangalore - 560 078, IN

Abstract

No Abstract.

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K. V. Krishnamurthy ¹

Affiliations
1 AMSE Wing, Geological Survey of India, Kumaraswamy Layout, Bangalore - 560 078, IN

Abstract

No Abstract.

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