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

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A S-Isotopic Study of the Baryte and Galena from Quartz-Baryte Veins at Rasimalai, North Arcot Ambedkar District, Tamil Nadu


Affiliations
1 Atomic Minerals Division, Department of Atomic Energy, Bangalore-560 072, India
2 Atomic Minerals Division, Department of Atomic Energy, Hyderabad-500 016, India
     

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This study shows δ34S values for the study of co-existing baryte and galena, respectively, are in the ranges of +6.9 to 8.0% and -6.0 to - 9.8%0. Such narrow ranges make biogenic sedimentary source for sulphur less likely and suggest magmatic source. Sulphur isotope values indicate a hydrothermal system with a T of ∼440°C, pH 5±1 and Log f02 of -34 to -37.

Keywords

Economic Geology, Sulphur Isotopes, Baryte, Galena, Tamil Nadu.
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  • A S-Isotopic Study of the Baryte and Galena from Quartz-Baryte Veins at Rasimalai, North Arcot Ambedkar District, Tamil Nadu

Abstract Views: 191  |  PDF Views: 2

Authors

R. Dhana Raju
Atomic Minerals Division, Department of Atomic Energy, Bangalore-560 072, India
R. N. Prasad
Atomic Minerals Division, Department of Atomic Energy, Hyderabad-500 016, India
D. D. Pande
Atomic Minerals Division, Department of Atomic Energy, Hyderabad-500 016, India
A. Panneer Selvam
Atomic Minerals Division, Department of Atomic Energy, Bangalore-560 072, India
Mary K. Kumar
Atomic Minerals Division, Department of Atomic Energy, Bangalore-560 072, India

Abstract


This study shows δ34S values for the study of co-existing baryte and galena, respectively, are in the ranges of +6.9 to 8.0% and -6.0 to - 9.8%0. Such narrow ranges make biogenic sedimentary source for sulphur less likely and suggest magmatic source. Sulphur isotope values indicate a hydrothermal system with a T of ∼440°C, pH 5±1 and Log f02 of -34 to -37.

Keywords


Economic Geology, Sulphur Isotopes, Baryte, Galena, Tamil Nadu.