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Venkatesh, V.
- The Lonar Crater-Some Geochemical Data
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Authors
Affiliations
1 Geological Survey of India, Calcutta, IN
1 Geological Survey of India, Calcutta, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 8 (1967), Pagination: 29-37Abstract
If the Lonar depression is a meteorite crater, a giant meteorite several-fold richer in nickel and cobalt than the basaltic country rock, should have produced localised enrichment of these metals. Weathering and secondary dispersion, aided by favourable centripetal drainage conditions, should have produced anomalous concentrations of the metals in plants, soil and silt at the site. This is not borne out by the average and below average values of the metals in geochemical samples from the crater area; and recent experimental sampling in the meteorite crater of Arizona also showed similar lack of anomalous metal values. The use of geochemical anomalies in recognising meteorite craters should, therefore, await investigations in other established craters.- Hydrocarbon Prospects of Gondwana Basins in India: Source Rock Studies of Kamthi Sub-Basin of Pranhita-Godavari Graben
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Authors
Affiliations
1 Geochemistry Division, KDMIPE, ONGC, Dehra Dun., IN
2 Geology Group, I-A, Vasundhara Bhavan, ONGC, Bandra East, Bombay, IN
3 ONGC, Makarpura Road, Baroda., IN
4 Dept. of Applied Sciences, ISM, Dhanbad, IN
1 Geochemistry Division, KDMIPE, ONGC, Dehra Dun., IN
2 Geology Group, I-A, Vasundhara Bhavan, ONGC, Bandra East, Bombay, IN
3 ONGC, Makarpura Road, Baroda., IN
4 Dept. of Applied Sciences, ISM, Dhanbad, IN