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Rao, M. R.
- Depositional Environment of Oil Bearing Eocene Sands in Anklesvar Field, Cambay Basin, India
Abstract Views :202 |
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Authors
A. T. R. Raju
1,
M. R. Rao
1
Affiliations
1 Institute of Petroleum Exploration, Dehra Dun, IN
1 Institute of Petroleum Exploration, Dehra Dun, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 16, No 2 (1975), Pagination: 165-175Abstract
The depositional environments of Eocene oil and gas productive sands in Anklesvar field, which are referred to as middle and upper sands, have been studied from three main Jines of investigation, namely litho-associations, petrography and textural attributes. The middle and upper sands show subtle differences in their associational characters, petrographic features and size distributions. The middle sands, appear to have been deposited along distributory channels, over inter channel tidal flats and along tidal inlets in a tidal estuary. The upper sands, belonging to Upper Eocene, were probably deposited along a barrier beach in a transgressive open marine environment.- Reworked Permian and Cretaceous Palynofossils from Miocene Sediments of Mangalore, Karnataka
Abstract Views :220 |
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Authors
Affiliations
1 Birbal Sahni Institute of Palaeobotany, 53 University Road, Lucknow - 226 007, IN
1 Birbal Sahni Institute of Palaeobotany, 53 University Road, Lucknow - 226 007, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 66, No 2 (2005), Pagination: 217-222Abstract
Palynological study of the Miocene sediments exposed along Kullur-Kavur Road section, Mangalore, Karnataka revealed the occurrence of 11 genera and 16 species of reworked palynofossils. Of these, Permian palynotaxa (8 genera and 11 species) are better represented than the Cretaceous ones (3 genera and 5 species). The important reworked palynotaxa are Parasaccites, Striatopodocarpites, Rhizomaspora, Scheuringipollenites, Callialasporites and Alisporites and these palynomorphs usually occur in Palaeozoic and Cretaceous rocks and do not extend to Tertiary. Based on the reworked palynofossils, occurrence of Permian and Cretaceous deposits in Mangalore basin has been postulated. The occurrence of reworked palynofossils might have been derived by the erosion of some Palaeozoic and Mesozoic sediments existing at the time of sedimentation. Presence of huge Permian sediments in western India, which could have been the other source for the reworked palynomorphs. The other possibility is that these fossils might have also come from Middle East Countries. Permian and particularly the Mesozoic rocks are well developed in these countries and of the Mesozoic rocks are abundantly rich in oil Sediments. These sediments could have eroded and redeposited in the eastern coast of the Arabian sea.Keywords
Reworked Permian and Cretaceous Palynofossils, Miocene, Mangalore, Karnataka.- Radiocarbon Evidence of Paleo-Recharge (Pre-Saraswati Period) of Potential Deep Aquifer in Thar Desert
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Authors
D. V. Reddy
1,
P. Nagabhushanam
1,
M. R. Rao
2,
D. S. Mitra
3,
B. M. Tripati
3,
S. K. Sinha
3,
B. Bhadu
3
Affiliations
1 National Geophysical Research Institute (Council of Scientific and Industrial Research), Uppal Road, Hyderabad - 500 606, IN
2 Oil and Natural Gas Corp. Ltd., 9 Kaulagarh Road, Dehra Dune- 248 195, IN
3 Oil and Natural Gas Corp. Ltd., 9 Kaulagarh Road, Dehra Dune - 248 195, IN
1 National Geophysical Research Institute (Council of Scientific and Industrial Research), Uppal Road, Hyderabad - 500 606, IN
2 Oil and Natural Gas Corp. Ltd., 9 Kaulagarh Road, Dehra Dune- 248 195, IN
3 Oil and Natural Gas Corp. Ltd., 9 Kaulagarh Road, Dehra Dune - 248 195, IN