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Geochemistry and strontium isotopic composition of basalts from the Eastern Deccan volcanic province, India

Published online by Cambridge University Press:  05 July 2018

P. Oliver Alexander  and
Dalim K. Paul
P. Oliver Alexander
Affiliation:
Department of Earth Sciences, The University, Leeds, England
Dalim K. Paul
Affiliation:
Department of Earth Sciences, The University, Leeds, England
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Summary

Ten rather uniform tholeiitic basalt flows totalling a thickness of 190 m from Sagar, India, contain two stratigraphical breaks. Major element variation allows the flows to be grouped into two eruption cycles. Due to intraflow variation, however, chemical composition is unlikely to be useful in widespread correlation of flow sequence. The initial 87Sr/86Sr ratios vary from 0·7039 to 0·7084 with Rb and Sr averaging 6·5 and 184 ppm respectively and Rb/Sr ratios ranging from 0·002 to 0·224, with no systematic relationship between the initial 87Sr/86Sr ratios and other chemical parameters. Bulk crustal contamination is considered unlikely; selective introduction of 87Sr from the granitic basement is postulated.

Type
Research Article
Information
Mineralogical Magazine , Volume 41 , Issue 318 , June 1977 , pp. 165 - 171
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1977

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Footnotes

1

Now at: Department of Geology, McMaster University, Hamilton, Ontario, Canada.

References

Bose, (M. K.), 1972. Lithos, 5, 131–45.CrossRefGoogle Scholar
Burwell, (A. D. M.), 1975. Earth Planet. Sci. Lett. 28, 69–78.CrossRefGoogle Scholar
Chatterjee, (S. C), 1964. XXII Inter. Geol. Congr. 7, 35–41.Google Scholar
Chayes, (F.), 1965. Mineral. Mag. 34, 124.Google Scholar
Compston, (W.), McDougall, (I.), and Heier, (K. S.), 1968. Geochim. Cosmochim. Ada, 32, 129–49.CrossRefGoogle Scholar
Engel, (A. E. G.) and Engel, (C. G.), 1964. Science, 146, 477–88.CrossRefGoogle Scholar
Faure, (G.) and Hurley, (P. M.), 1963. J. Petrol. 4, 31–50.CrossRefGoogle Scholar
Faure, (G.), Bowman, (J. R.), Elliot, (D. H.), and Jones, (L. M.), 1974. Contrib. Mineral. Petrol. 48, 153–69.CrossRefGoogle Scholar
Green, (D. H.) and Ringwood, (A. E.), 1967. Ibid. 15, 103-90.Google Scholar
Hedge, (C. E.), 1966. J. Geophys. Res. 71, 6119–20.CrossRefGoogle Scholar
Konda, (T.), 1971. Contrib. Mineral. Petrol. 32, 69–73.CrossRefGoogle Scholar
Rrishnamurthy, (P.), 1974. Ph.D. Thesis, University of Edinburgh.Google Scholar
Kuno, (H.), Yamasaki, (K.), Iida (C), and Nagashima, (K.), 1957. Jap. J. Geol. and Geogr. 28, 179–218.Google Scholar
Laughlin, (A. W.), Brookins, (D. G.), and Garden, (J. R.), 1972. Earth Planet. Sci. Lett. 14, 79–82.CrossRefGoogle Scholar
Miyashiro, (A.), Shido, (F.), and Ewing, (M.), 1969. Contrib. Mineral. Petrol. 23, 38–52.CrossRefGoogle Scholar
Macdonald, (G. A.) and Katsura, (T.), 1964. J. Petrol. 5, 82–133.CrossRefGoogle Scholar
Noble, (D. C.) and Hedge, (C. E.), 1969. U.S. Geol. Surv. Prof. Paper 650C, C133-C139.Google Scholar
Paul, (D. K.), Potts, (P. J.), Rex, (D. C), and Beckinsale, (R. D.), in preparation. Google Scholar
Sukeshwala, (R. N.) and Poldervaart, (A.), 1958. Bull. Geol. Soc. Am. 69, 1475–94.Google Scholar
Taylor, (H. P.) and Forrester, (R. W.), 1971. J. Petrol. 12, 465–97.CrossRefGoogle Scholar
Thornton, (C. P.) and Tuttle, (O. F.), 1960. Am. J. Sci. 258, 664.84.CrossRefGoogle Scholar
Wadia, (D. N.), 1957. Geology of India, Mcmillan Co. Ltd.Google Scholar
Walker, (G. P. L.), 1972. Bull. Volcanol. 35, 579–90.CrossRefGoogle Scholar
West, (W. D.), 1958. Trans. Nat. Inst. Sci. India, 4, 1–56.Google Scholar

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