Iron-titanium oxide minerals in comagmatic rocks of Koraput, Orissa
- 1 October 1965
- journal article
- Published by American Journal of Science (AJS) in American Journal of Science
- Vol. 263 (8) , 689-695
- https://doi.org/10.2475/ajs.263.8.689
Abstract
The rocks are alkaline gabbros, calc-alkaline syenites, and nepheline syenites; ulvoespinel, magnetite, and ilmenomagnetite are the iron-titanium oxide minerals. Analysis of mineralogic variations and textural evolution in the oxide minerals with advancing differentiation shows a gradual increase of iron oxides accompanied by a decrease in magnesium, and a decrease of titanium relative to iron oxides.Keywords
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