A note on the carbonatites of Hogenekal area, Dharmapuri Dist., Tamilnadu, India

Mahabaleswar, B. and Shashidhara, H. (1975) A note on the carbonatites of Hogenekal area, Dharmapuri Dist., Tamilnadu, India. Vignana Bharathi (Vignana Bharati Bangalore University journal of science), 1 (1). pp. 147-52. ISSN 0377-8487

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Abstract

The 4 varieties of carbonatites recognized are: silicocarbonatites, mica-​pyroxene sovite, apatite sovite, and sovite. The mineral constituents are calcite, diopside, biotite, apatite, and magnetite with basic charnockites, pyroxenites, and syenites as the assocd. rocks. The sharp intrusive contacts of carbonitites with the assocd. rocks, absence of wall rock alterations, and minor degree of fenitization suggest that different varieties of carbonitites are formed in stages not by hydrothermal mixing but by a process of differentiation in the evolution of a carbonatite magma.

Item Type: Article
Subjects: Faculty of Science > Earth Sciences > Geology
Divisions: Jnana Bharathi / Central College Campus > Department of Geology
Depositing User: Ms. Deepa M Kolli
Date Deposited: 27 Sep 2016 07:18
Last Modified: 27 Sep 2016 07:18
URI: http://eprints-bangaloreuniversity.in/id/eprint/6099

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