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Choudhary, A. K.
- Rb-Sr Dating of Sambalpur Granodiorite, Western Orissa
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Authors
Affiliations
1 Department of Physics, Samastipur College, Samastipur, Bihar, IN
2 Department of Earth Sciences, Sambalpur University, Orissa, IN
3 Department of Geology, Calcutta University, Calcutta, W.B., IN
4 National Geophysical Research Institute, Hyderabad, A.P., IN
1 Department of Physics, Samastipur College, Samastipur, Bihar, IN
2 Department of Earth Sciences, Sambalpur University, Orissa, IN
3 Department of Geology, Calcutta University, Calcutta, W.B., IN
4 National Geophysical Research Institute, Hyderabad, A.P., IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 47, No 4 (1996), Pagination: 503-506Abstract
The wholerock Rb-Sr isochron age of 2380 ± 44 Ma (Sr<SUB>i</SUB> = 0.70492 ± 14) obtained for the Sambalpur granodiorite indicates an Early Proterozoic granitic activity in this region younger than Singhbhum Granite (ca. 3.3 to 3.1 Ga). Comparable Rb-Sr ages have also been reported for different granites from Mandhya Pradesh.- Crustal Accretion and Metamorphism of Mesoarchean Granulites in Palghat-Cauvery Shear Zone, Southern India
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Authors
Affiliations
1 Institute Instrumentation Centre, Indian Institute of Technology Roorkee, Roorkee - 247 667, IN
2 Department of Earth Sciences, Indian Institute of Technology Roorkee, Roorkee - 247 667, IN
1 Institute Instrumentation Centre, Indian Institute of Technology Roorkee, Roorkee - 247 667, IN
2 Department of Earth Sciences, Indian Institute of Technology Roorkee, Roorkee - 247 667, IN