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http://dx.doi.org/10.9727/jmsk.2014.27.4.197

Occurence of Ilmenite on the Ti-bearing Ore Bodies in Bukcheon, Hadong Area  

Kwak, Ji Young (Department of Earth Environmental Sciences and Research Institute of Natural Sciences, Gyeongsang National University)
Choi, Jin Beom (Department of Earth Environmental Sciences and Research Institute of Natural Sciences, Gyeongsang National University)
Publication Information
Journal of the Mineralogical Society of Korea / v.27, no.4, 2014 , pp. 197-205 More about this Journal
Abstract
Study area (Jikjeon-ri) is located in south end of the Hadong anorthositic rocks. And along the south-western boundary, diorite intruded the Hadong anorthosite. Ilmenite ore bodies are extended in both anorthosite and diorite. And their occurrence in the diorite are not studied yet. While no particular textures are found in the ilmenite within the anorthosite, the ilmenite within the diorite shows characteristic exsolution texture, that is, ilmenite phases are separated into rutile and Fe-oxide and the ilmenite and Fe-oxide. MnO composition in ilmenite ratios are 2.14~3.74wt%, it has higher composition in diorite than that in anorthosite. The plagioclase composition display andesine ($An_{28.7-42.9}$) in the diorite and labradorite ($An_{57.1-72.8}$) in the anorthosite in composition. The exsolution of ilmenite has been developed during the cooling of partly melted ilmenite into rutile and Fe-oxides which is related to the intrusion of the diorite.
Keywords
anorthosite; diorite; ilmenite; rutile; Fe-oxide; exsolution texture;
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