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Krishnamurthy, K. V.
- Petrology of A-type Hornblende Granite and Fayalite Granite Enclaves from cDML, East Antarctica: Some Constraints on their Origin
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Authors
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
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
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 65, No 5 (2005), Pagination: 562-576Abstract
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.- A meeting with the Doyen of Indian Geology
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Authors
Affiliations
1 Geological Survey of India, Training Institute Chitradurga Centre, Bangalore - 560 078, IN
1 Geological Survey of India, Training Institute Chitradurga Centre, Bangalore - 560 078, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 66, No 4 (2005), Pagination: 518-518Abstract
No Abstract.- Geology and Evolution of Granitic Rocks of Pan-African Age of Orvinfjella, Central Dronning Maud Land, East Antarctica
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PDF Views:152
Authors
Affiliations
1 AMSE Wing, Geological Survey of India, Kumaraswamy Layout, Bangalore - 560 078, IN
1 AMSE Wing, Geological Survey of India, Kumaraswamy Layout, Bangalore - 560 078, IN