• process mineralogical studies of iranian titanomagnetite

    نویسندگان :
    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1389/07/20
    • تاریخ انتشار در تی پی بین: 1389/07/20
    • تعداد بازدید: 740
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    • شماره تماس دبیرخانه رویداد: -
     the qara-aghaj hard rock titanium deposit is located in the 36 km at the north-west of euromieh, iran. mineralogical studies performed by xrd, xrf, optical microscopy and sem indicated that the ilmenite, magnetite and apatite are main valuable minerals. the gangue minerals consist of the silicate minerals such as pyroxene, olivine, plagioclase and some secondary minerals. the liberation degree was determined 150 microns for ilmenite and magnetite and 60 microns for apatite. mineralogical studies by optical microscopy and sem indicated that the ilmenite is mainly of granules form but some lamellae of ilmenite are found inside magnetite. some narrow lamellae of hematite are formed inside ilmenite. analyzing by edx indicated that maximum content of tio2 in the ilmenite is 48%. mn and mg have been replaced in ilmenite lattice. by analyzing of magnetite, it was found that the v2o5 content is up to 1%. v3+ is found in magnetite lattices by replacing fe3+. analyzing of clinopyroxenes indicated that augite, containing ti, is the main form of this group. ilmenite, apatite and magnetite are valuable minerals for production of tio2, p2o5 and fe, respectively and the v2o5 can be extracted from magnetite as a by-product.

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