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Chemical study of pyroxenes from the charnockitic rocks of Kondapalli (Andhra Pradesh), India, with emphasis, on the distribution of elements in coexisting pyroxenes

Published online by Cambridge University Press:  14 March 2018

C. Leelanandam
C. Leelanandam*
Affiliation:
Department of Mineralogy and Petrology, University of Cambridge1
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Summary

The chemical analyses, structural formulae, and trace element data are presented for 18 orthopyroxenes and 9 clinopyroxenes from the charnockitie rocks of Kondapalli, Andhra Pradesh, India. The chemistry of these pyroxenes is discussed and conclusions are drawn. The data are compared with the similar data available for the pyroxenes of the charnockites of the type area near Madras, some 200 miles south of Kondapalli. The element-distributional relationships between the coexisting pyroxenes are discussed and inferences are made regarding the temperature of crystallization of charnockite pyroxenes.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 36 , Issue 278 , June 1967 , pp. 153 - 179
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1967

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