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Satyanarayanan, M.
- National Seminar on Advancing Frontiers in Geochemistry through Utilization of Earth Resources
Abstract Views :152 |
PDF Views:121
Authors
Affiliations
1 National Geophysical Research Institute, Uppal Road, Hyderabad-500007, IN
1 National Geophysical Research Institute, Uppal Road, Hyderabad-500007, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 69, No 1 (2007), Pagination: 199-201Abstract
No Abstract.Full Text
- Geochemistry of the Unusual Mafic Intrusions in Betul Fold Belt, Central India: Implications for Ni-Cu-Au-PGE Metallogeny
Abstract Views :246 |
PDF Views:117
Authors
D. V. Subba Rao
1,
M. Satyanarayanan
1,
D. Srinivasa Sarma
1,
K. S. V. Subramanyam
1,
K. Venkateswarlu
1,
M. Hanuma Prasad
2
Affiliations
1 CSIR-National Geophysical Research Institute, Hyderabad 500 007, IN
2 Geomysore Services (India) Pvt Ltd, Bengaluru 560 037, IN
1 CSIR-National Geophysical Research Institute, Hyderabad 500 007, IN
2 Geomysore Services (India) Pvt Ltd, Bengaluru 560 037, IN
Source
Current Science, Vol 108, No 4 (2015), Pagination: 713-722Abstract
We report here the recent occurrence of native gold and platinoids, associated with Fe-Ni-Cu-Pb-Zn sulphides and tungsten-bearing phases in the gabbroic intrusions emplaced in the Betul-Chhindwara Belt in the Central Indian Tectonic Zone (CITZ). The ore minerals are represented mainly by native gold, pentlandite, chalcopyrite, pyrite, bowieite and rare phases of tungsten, cadmium and palladium, which were identified by scanning electron microscopy. The whole rock geochemistry shows anomalous Ni-Cu and platinum group elements (PGE) in which palladium is always higher in concentration than in platinum. The inter-element relationships of PGE such as Pd versus Ir and Pt versus Ir indicate their fractionation by a sulphide phase and also suggest that the parental magmas are primitive in nature having high-Mg, low- Ti characteristics, which indicate the boninitic/picritic nature of magmas. A thorough investigation is essential for exploring the Betul mafic-ultramafic intrusions for proving their potential as the host rocks for Au and Ni-Cu-PGE ores.Keywords
Gabbro Intrusions, Geochemistry, Citz, Native Gold, Platinum Group Elements.Full Text
- Platinum Group Minerals from the Madawara Ultramafic-Mafic Complex, Bundelkhand Massif, Central India: A Preliminary Note
Abstract Views :260 |
PDF Views:195
Authors
S. P. Singh
1,
V. Balaram
2,
M. Satyanarayanan
2,
D. S. Sarma
2,
K. S. V. Subramanyam
2,
K. V. Anjaiah
2,
A. Kharia
1
Affiliations
1 Department of Geology, Bundelkhand University, Jhansi - 284001, Uttar Pradesh, IN
2 National Geophysical Research Institute (CSIR), Uppal Road, Hyderabad - 500 007, IN
1 Department of Geology, Bundelkhand University, Jhansi - 284001, Uttar Pradesh, IN
2 National Geophysical Research Institute (CSIR), Uppal Road, Hyderabad - 500 007, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 78, No 3 (2011), Pagination: 281-283Abstract
No Abstract.Full Text
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