THE STUDY OF TEXTURE AND DIFFERENT PHASES CONSTITUTING THE JAJARM BAUXITE MINERALS IN NORTHERN KHURASSAN, NE IRAN

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MOLAEI H.; SHARIFIAN ATAR REZA

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

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Journal: Iranian Journal of Crystallography and Mineralogy Year:2007 | Volume:14 | Issue:2 Page(s): 339-366

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Title

THE STUDY OF TEXTURE AND DIFFERENT PHASES CONSTITUTING THE JAJARM BAUXITE MINERALS IN NORTHERN KHURASSAN, NE IRAN

Author(s)

MOLAEI H. | SHARIFIAN ATAR REZA | Issue Writer Certificate

Keywords

BAUXITEQ2

BAUXITE PHASESQ3

BAUXITE TEXTUREQ3

MINERALOGYQ3

DIASPOREQ2

JAJARMQ2

IRANQ2

Abstract

The JAJARM BAUXITE deposit 16 kilometers E-W trending and overlis, the Karstic dolomite rocks of the Elika Formation. The study of texture and different phases has been carry out in order to understand the degree of crashing, particles size, condition of formation, degree of crystallization, porosity, distribution of constituent elements and beneficiation for the propose of digestion and potential of physical beneficiation. The phase analysis indicates that the JAJARM BAUXITE is typical diasporic BAUXITE accompanied with Kaolinite, hematite and anatase. Hard BAUXITE is the high quality BAUXITE with Al2O3>50% and SiO2< 9%. Mineral chemistry shows that out of 58% of Al2O3, 54.39% constituting DIASPORE structure, 1.6% is in kaolinite and 0.94% in topaz. Where as out of 5.78% SiO2, 3.72% occurring in kaolinite structure, 1.5% as free and inactive quartz and the rest of it is located in topaz structure. The JAJARM BAUXITE shows a politomorphic, micro granular texture with several secondary textural elements. The size of main minerals component are generally below 10 micron, with homogeneous matrix. Kaolinite minerals forms stacks of very thin (<0.1 micron) crystal platelets. In addition, in a very hard BAUXITE, separation between the crystal grains and the matrix can not be done because of similar hardness for both with closely packed space filling and in consequence of the missing defined borderlines of the grains. Based on the above studies, the JAJARM BAUXITE can be enriched neither by grain analysis nor by the magnetic separation. Laboratory study shows, only it can be improve by water treatment.

Cites

MINERALOGICAL, GEOCHEMICAL AND GENETICAL INVESTIGATIONS OF THE JAJARM KARST BAUXITE DEPOSIT, NE IRAN

References

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APA: Copy

MOLAEI, H., & SHARIFIAN ATAR, REZA. (2007). THE STUDY OF TEXTURE AND DIFFERENT PHASES CONSTITUTING THE JAJARM BAUXITE MINERALS IN NORTHERN KHURASSAN, NE IRAN. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, 14(2), 339-366. SID. https://sid.ir/paper/3933/en

Vancouver: Copy

MOLAEI H., SHARIFIAN ATAR REZA. THE STUDY OF TEXTURE AND DIFFERENT PHASES CONSTITUTING THE JAJARM BAUXITE MINERALS IN NORTHERN KHURASSAN, NE IRAN. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY[Internet]. 2007;14(2):339-366. Available from: https://sid.ir/paper/3933/en

IEEE: Copy

H. MOLAEI, and REZA SHARIFIAN ATAR, “THE STUDY OF TEXTURE AND DIFFERENT PHASES CONSTITUTING THE JAJARM BAUXITE MINERALS IN NORTHERN KHURASSAN, NE IRAN,” IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, vol. 14, no. 2, pp. 339–366, 2007, [Online]. Available: https://sid.ir/paper/3933/en

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