MINERALOGICAL AND GEOCHEMICAL EVALUATION OF FIRE CLAY OF KABUTARKUH DEPOSIT, GONABOD

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ETEMADI B.; AMIRI R.A.

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Journal: Iranian Journal of Crystallography and Mineralogy Year:2003 | Volume:11 | Issue:2 Page(s): 195-207

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Title

MINERALOGICAL AND GEOCHEMICAL EVALUATION OF FIRE CLAY OF KABUTARKUH DEPOSIT, GONABOD

Author(s)

ETEMADI B. | AMIRI R.A. | Issue Writer Certificate

Keywords

KABUTARKUHQ4

MINERALOGYQ2

GEOCHEMISTRYQ2

FIRE CLAQ4

Abstract

Fire clay of the KABUTARKUH deposit, located about 50km southeast of Gonabad (Khorasan Province), was analyzed for its mineralogical and chemical compositions. Kaolinite, pyrophilite, quartz, dickite, gypsum, illite and alunite are the dominant minerals, and a minor phase of hematite is also present. Geochemical data show that the whole rock sample is mainly composed of SiO2, Al2O3 and K2O. Chemical results and petrographical studies give an indication of andesite-latite parent rock, which has been altered under the influence of hydrothermal fluids. The chondrite-normalized rare earth element (REE) patterns show enrichment in the Light REEs. The LREE/HREE ratio of upper layer is higher than the lower ones, which indicates mobility of HREE toward the depth. Generally, REE, trace elements and major elements patterns show evidence of intense alteration and weathering processes related to kaolinization. The high measured values of EC and Low measured values of PH are due to solubility of alunite and gypsum minerals.

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APA: Copy

ETEMADI, B., & AMIRI, R.A.. (2003). MINERALOGICAL AND GEOCHEMICAL EVALUATION OF FIRE CLAY OF KABUTARKUH DEPOSIT, GONABOD. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, 11(2), 195-207. SID. https://sid.ir/paper/3915/en

Vancouver: Copy

ETEMADI B., AMIRI R.A.. MINERALOGICAL AND GEOCHEMICAL EVALUATION OF FIRE CLAY OF KABUTARKUH DEPOSIT, GONABOD. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY[Internet]. 2003;11(2):195-207. Available from: https://sid.ir/paper/3915/en

IEEE: Copy

B. ETEMADI, and R.A. AMIRI, “MINERALOGICAL AND GEOCHEMICAL EVALUATION OF FIRE CLAY OF KABUTARKUH DEPOSIT, GONABOD,” IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, vol. 11, no. 2, pp. 195–207, 2003, [Online]. Available: https://sid.ir/paper/3915/en

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