THE STUDY OF BAUXITE DEPOSITS IN THE JAJARM AREA (GOLBINI, ZOO, TAGOEE AND SANGTARASH)

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RANJBAR ZHILA; KHAKZAD AHMAD; AMINI FAZL ABBAS

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Journal: JOURNAL OF THE EARTH Year:2007 | Volume:2 | Issue:2 Page(s): 9-20

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Title

THE STUDY OF BAUXITE DEPOSITS IN THE JAJARM AREA (GOLBINI, ZOO, TAGOEE AND SANGTARASH)

Author(s)

RANJBAR ZHILA | KHAKZAD AHMAD | AMINI FAZL ABBAS | Issue Writer Certificate

Keywords

MEDITERRANEAN KARSTIC OF LENTICULAR-LAYER TYPEQ3

ELIKAH AND SHEMSHAK FORMATIONSQ3

XRDQ3

NAA METHODSQ3

Abstract

Bauxite is a sedimentary rock which is formed by weathering of various rocks in tropical climate with considering proper drainage and morphology. The Jajarm bauxite ore deposit is considered as Mediterranean karstic ores Lenticular-Layer type. Mineral in Jajarm ore deposit contains two separate zones, A zone (older) and B zone (younger), which overlies karstic - surface of the Elikah Formation and underlies sandstone and shale of the Shemshak Formation.The studied area is Tagoee part of the Jajarm area, which contains Diaspora and Chamosite mineralogical composition.Due to weaker tectonic influence in this region, integrity and continuity of bauxite layer were maintained. Extension of ore deposit in Tagoee area is about 4.8 km and thickness of bauxite is low and near the outcrop it is at lowest (1.5 m). With considering initial studies, in situ supply of ore mineral in Tagoee is expected about 2.5 million tones in hard bauxite zone (Al2O3 44.87 % and SiO2 12.52 %). Major observed textures in bauxite mineral are ooid and piezoid, microclastic and fine grain clastic, which reveal to be reworked. Another witness for being reworked is bauxite follows Karstic morphology in lower part while upper part of Bauxite layer is nearly tabular and suggests that a fluid solution or mixture has been transported to karsts and filled them. On the other hand, cracks made by jelly agglomeration in piezoides, present their formation insitu and show two probable bauxitization steps.

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References

بررسی کانی شناسی و محیط تشکیل کانسار بوکسیت جاجرم

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APA: Copy

RANJBAR, ZHILA, KHAKZAD, AHMAD, & AMINI FAZL, ABBAS. (2007). THE STUDY OF BAUXITE DEPOSITS IN THE JAJARM AREA (GOLBINI, ZOO, TAGOEE AND SANGTARASH). JOURNAL OF THE EARTH, 2(2), 9-20. SID. https://sid.ir/paper/193028/en

Vancouver: Copy

RANJBAR ZHILA, KHAKZAD AHMAD, AMINI FAZL ABBAS. THE STUDY OF BAUXITE DEPOSITS IN THE JAJARM AREA (GOLBINI, ZOO, TAGOEE AND SANGTARASH). JOURNAL OF THE EARTH[Internet]. 2007;2(2):9-20. Available from: https://sid.ir/paper/193028/en

IEEE: Copy

ZHILA RANJBAR, AHMAD KHAKZAD, and ABBAS AMINI FAZL, “THE STUDY OF BAUXITE DEPOSITS IN THE JAJARM AREA (GOLBINI, ZOO, TAGOEE AND SANGTARASH),” JOURNAL OF THE EARTH, vol. 2, no. 2, pp. 9–20, 2007, [Online]. Available: https://sid.ir/paper/193028/en

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