Hostname: page-component-cd9895bd7-lnqnp Total loading time: 0 Render date: 2024-12-25T20:00:34.111Z Has data issue: false hasContentIssue false
  • English
  • Français

The origin of the Kunavaram amphibolites, Khammam District, Andhra Pradesh, India

Published online by Cambridge University Press:  01 May 2009

K. V. Subbarao
K. V. Subbarao
Affiliation:
Institute of Marine Science, University of Alaska, College Alaska 99701, U.S.A.
Get access Rights & Permissions [Opens in a new window]

Summary

Chemical and modal analyses of five Kunavaram amphibolites, together with mineralogical data on the pyroxenes and amphiboles, are given. Using petrochemical plots based on Niggli numbers, the trends of variation suggest an igneous origin.

Type
Articles
Information
Geological Magazine , Volume 108 , Issue 2 , May 1971 , pp. 131 - 136
Copyright
Copyright © Cambridge University Press 1971

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Bowes, D. R. & Park, R. G. 1966. Metamorphic segregation banding in the Loch Kerry basanite sheet from the Lewisian of Gairloch, Ross-shire, Scotland. J. Petrology 7, 306–30.CrossRefGoogle Scholar
Evans, B. W. & Leake, B. E. 1960. The composition and origin of the striped amphibo lites of Connemara, Ireland. J. Petrology 1, 337–63.CrossRefGoogle Scholar
Heir, K. S. 1962. The possible origins of amphibolites in an area of high metamorphic grade. Norsk geol. Tidsskr. 42, 157–65.Google Scholar
King, W. 1881. Geology of the Pranhita–Godavari valley. Mem. geol. Surv. India 18, Part III, 151–311.Google Scholar
Kretz, R. 1966. Metamorphic differentiation at Einasleigh, northern Queensland. J. geol. Soc. Aust. 13, 561–82.CrossRefGoogle Scholar
Leake, B. E. 1963. Origin of amphibolites from northwest Adirondacks, New York. Bull. geol. Soc. Am. 74, 1193–1202.CrossRefGoogle Scholar
Leake, B. E. 1964. Chemical distinction of ortho- and para-amphibolites. J. Petrology 5, 238–54.CrossRefGoogle Scholar
Leake, B. E. 1968. Optical properties and composition in the orthopyroxene series. Mineralog. Mag. 36, 745–7.Google Scholar
Niggli, P. 1954. Rocks and mineral deposits. W. H. Freeman & Co., San Francisco.Google Scholar
Poldervaart, A., 1953. Metamorphism of basaltic rocks, a review. Bull. geol. Soc. Am. 64, 259–74.CrossRefGoogle Scholar
Van de Kamp, P. C. 1969. Origin of amphibolites in the Beartooth Mountains, Wyoming and Montana: New data and interpretation. Bull. geol. Soc. Am. 80, 1127–36.CrossRefGoogle Scholar
Walker, K. R., Joplin, G. A., Lovering, J. F. & Green, R. 1960. Metamorphic and metasomatic convergence of basic igneous rocks and lime–magnesia sediments of the Pre-Cambrian of north-western Queensland. J. geol. Soc. Aust. 6, 149–77.CrossRefGoogle Scholar
Wilcox, R. E. & Poldervaart, A. 1958. Metadolerite dike swarm in Bakersville-Roan mountain area, North Carolina. Bull. geol. Soc. Am., 69, 1323–68.CrossRefGoogle Scholar