A study of the iron ore deposit of Kudremukh, Karnataka State, India

Naganna, C. and Shiva Kumar, B.S. (1975) A study of the iron ore deposit of Kudremukh, Karnataka State, India. Vignana Bharathi (Vignana Bharati Bangalore University journal of science), 1 (1). pp. 140-6. ISSN 0377-8487

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Abstract

The Fe ore formation consists of banded magnetite [1309-​38-​2] quartzite (BMQ)​, alternating generally with amphibolites and hornblende schist. The ore may be broadly classified as follows: (1) fully weathered, brittle, and flaky BMQ from which quartz has been fully leached out and the major Fe mineral is martite [12191-​78-​5] altered from magnetite, (2) transitional BMQ from which very limited leaching of SiO2 has taken place, and (3) fresh, unweathered, and very hard BMQ showing alternating bands of unaltered magnetite and recrystd. quartz. The av. values of total Fe and Fe2O3 of the 3 resp. ore categories are 55.5, 35.0, 29.0 and SiO2 39.3, 50.2, and 54.8. The paragenetic sequence of Fe ore minerals is magnetite-​pyrite due to metamorphic action and martite-​specularite and hematite-​goethite due to supergene action.

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 07:19
Last Modified: 27 Sep 2016 07:19
URI: http://eprints-bangaloreuniversity.in/id/eprint/6100

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