MINERALOGY, GEOCHEMISTRY AND GENESIS OF THE GHESHLAGH BAUXITE DEPOSIT, SOUTHEAST OF GORGAN

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FARAMARZI R.; SHAMANIAN GH.H.; SHAFIEI B.

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Journal: JOURNAL OF ECONOMIC GEOLOGY Year:2012 | Volume:4 | Issue:1 Page(s): 29-45

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Information Journal Paper

Title

MINERALOGY, GEOCHEMISTRY AND GENESIS OF THE GHESHLAGH BAUXITE DEPOSIT, SOUTHEAST OF GORGAN

Author(s)

FARAMARZI R. | SHAMANIAN GH.H. | SHAFIEI B. | Issue Writer Certificate

Keywords

BAUXITEQ2

BOHEMITEQ2

TRACE ELEMENTSQ2

GEOCHEMICAL INDICESQ2

GHESHLAGHQ2

Abstract

The GHESHLAGH BAUXITE deposit is located 110 km southeast of Gorgan. The deposit has been developed as a strati form horizon with more than 2 km length and a thickness of about 25 m along the contact of Ruteh and Elika carbonate formations. Textural analysis indicates both allochthonous and autochtonous origins for the BAUXITEs. BOHEMITE, diaspore, anatase, rutile, hematite, goethite, kaolinite, svanbergite, pyrite, and quartz were identified in the ore paragenesis. Based on textural and mineralogical evidence, the deposit can be divided into five distinct units including upper BAUXITE, upper kaolinite, hard BAUXITE, lower kaolinite and lower BAUXITE. Accumulation coefficients of TRACE ELEMENTS and GEOCHEMICAL INDICES such as Ti/Cr, TiO2/Al2O3, Zr/Ti and Nb/Y, combined with the geological evidence suggest the basaltic rocks of the Soltanmeidan Formation as the main source of BAUXITE materials. Combination of mineralogical and geochemical data shows that the deposit formed in two main stages. First, BAUXITE materials, Fe and Ti oxides and clay minerals developed as authigenic bauxitization processes of basaltic parent rock. Then, these materials were transported to karst depressions and were accumulated as a BAUXITE horizon.

Cites

MINERALOGY, GEOCHEMISTRY AND GENESIS OF THE SHIRINABAD CLAY-BAUXITE DEPOSIT, SOUTH-EAST OF GORGAN

References

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APA: Copy

FARAMARZI, R., SHAMANIAN, GH.H., & SHAFIEI, B.. (2012). MINERALOGY, GEOCHEMISTRY AND GENESIS OF THE GHESHLAGH BAUXITE DEPOSIT, SOUTHEAST OF GORGAN. JOURNAL OF ECONOMIC GEOLOGY, 4(1), 29-45. SID. https://sid.ir/paper/180529/en

Vancouver: Copy

FARAMARZI R., SHAMANIAN GH.H., SHAFIEI B.. MINERALOGY, GEOCHEMISTRY AND GENESIS OF THE GHESHLAGH BAUXITE DEPOSIT, SOUTHEAST OF GORGAN. JOURNAL OF ECONOMIC GEOLOGY[Internet]. 2012;4(1):29-45. Available from: https://sid.ir/paper/180529/en

IEEE: Copy

R. FARAMARZI, GH.H. SHAMANIAN, and B. SHAFIEI, “MINERALOGY, GEOCHEMISTRY AND GENESIS OF THE GHESHLAGH BAUXITE DEPOSIT, SOUTHEAST OF GORGAN,” JOURNAL OF ECONOMIC GEOLOGY, vol. 4, no. 1, pp. 29–45, 2012, [Online]. Available: https://sid.ir/paper/180529/en

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