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

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The Albitite Line of Northern Rajasthan-A Fossil Intracontinental Rift Zone


Affiliations
1 Coordination and Planning Division, Geological Survey of India, 27 J. L. Nehru Road, Calcutta 700016, India
     

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A 170km long NNE-SSW lineament, extending from the Khetri Copper Belt to the Dudu-Kishangarh sector, is characterised by intrusives of albitite, composed predominantly of aventurine albite. Textural evidences suggest that the albitites, magnetite-albitites and pyroxenites, occurring along the Albitite Line, represent different cumulate fractions derived from the same source magma. The fractures, which tapped the magma chamber are related to an intracontinental rift system.

Keywords

Petrology, Geochemistry, Albitite, Rajasthan, Khetri Copper Belt.
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  • The Albitite Line of Northern Rajasthan-A Fossil Intracontinental Rift Zone

Abstract Views: 275  |  PDF Views: 2

Authors

Sumit Kumar Ray
Coordination and Planning Division, Geological Survey of India, 27 J. L. Nehru Road, Calcutta 700016, India

Abstract


A 170km long NNE-SSW lineament, extending from the Khetri Copper Belt to the Dudu-Kishangarh sector, is characterised by intrusives of albitite, composed predominantly of aventurine albite. Textural evidences suggest that the albitites, magnetite-albitites and pyroxenites, occurring along the Albitite Line, represent different cumulate fractions derived from the same source magma. The fractures, which tapped the magma chamber are related to an intracontinental rift system.

Keywords


Petrology, Geochemistry, Albitite, Rajasthan, Khetri Copper Belt.