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

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Gahnite Chemistry from Metamorphosed Zn-Pb-Cu Sulphide Occurrences of Betul Belt, Central India


Affiliations
1 Geological Survey of India, E-5 Arera Colony, Bhopal - 462 016
2 Geological Survey of India, E-5 Arera Colony, Bhopal - 462 016, India
 

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Gahnite Chemistry from metamorphosed Zn-Pb-Cu sulphide occurrences of Betul Belt, Central India has been presented here. Gahnites of this Belt are suggested to be a product of desulphidation of sphalerite during metamorphism. Although the very presence of zincian spinels in rocks may appear to constitute an exploration guide for metamorphosed massive sulphide (MMS) deposits, spinels that are likely to be spatially associated with sulphides appear to have characteristic Zn-rich, Mg-poor compositions.

Keywords

Gahnite Chemistry, Zn-Pb-Cu-Deposits, Genetic Implications, Betul Belt, Central India.
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  • Gahnite Chemistry from Metamorphosed Zn-Pb-Cu Sulphide Occurrences of Betul Belt, Central India

Abstract Views: 203  |  PDF Views: 166

Authors

Biswajit Ghosh
Geological Survey of India, E-5 Arera Colony, Bhopal - 462 016
M. N. Praveen
Geological Survey of India, E-5 Arera Colony, Bhopal - 462 016, India
H. S. Shrivastava
Geological Survey of India, E-5 Arera Colony, Bhopal - 462 016, India

Abstract


Gahnite Chemistry from metamorphosed Zn-Pb-Cu sulphide occurrences of Betul Belt, Central India has been presented here. Gahnites of this Belt are suggested to be a product of desulphidation of sphalerite during metamorphism. Although the very presence of zincian spinels in rocks may appear to constitute an exploration guide for metamorphosed massive sulphide (MMS) deposits, spinels that are likely to be spatially associated with sulphides appear to have characteristic Zn-rich, Mg-poor compositions.

Keywords


Gahnite Chemistry, Zn-Pb-Cu-Deposits, Genetic Implications, Betul Belt, Central India.