MINERALIZATION AND GEOCHEMICAL EXPLORATION OF SIRZAR PROSPECT AREA, KHORASAN RAZAVI PROVINCE

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MALEKZADEH S.A.; KARIMPOUR M.H.

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Journal: Researches in Earth Sciences Year:2011 | Volume:2 | Issue:5 Page(s): 88-103

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Title

MINERALIZATION AND GEOCHEMICAL EXPLORATION OF SIRZAR PROSPECT AREA, KHORASAN RAZAVI PROVINCE

Author(s)

MALEKZADEH S.A. | KARIMPOUR M.H. | Issue Writer Certificate

Keywords

ANTIMONYQ3

TORBAT-E-JAMQ2

CHIP COMPOSITE GEOCHEMISTRYQ2

LEADQ2

MINERALIZATIONQ2

Abstract

The Sirzar prospecting area is located northeast of Torbat Jam in Khorasan Razavi province. Sirzar stibnite MINERALIZATION is found both as vein and replacement within carbonate rocks (Permian). Two primary stages of MINERALIZATION are: 1) MINERALIZATION of galena ± pyrite ± chalcopyrite ± sphalerite ±sulfosalt ± Cu-Sb sulfides, quartz, and barite, 2) ANTIMONY ± pyrite ± sphalerite ± fuloppite, quartz, barite, dolomite, and calcite. Minerals which are formed due to weathering and oxidation are: valentinite, bindheimite, covellite, malachite, azurite, anglesite, cerrusite, geothite, hematite, and Sb- oxides. The first stage of MINERALIZATION contains up to 20% Pb, 1.5% Cu, 0.5% Zn, 400 ppm Ag, 1.5% Sb, and 240 ppm As. In the second stage of MINERALIZATION, geochemical variations were studied in different samples of carbonate host rock, away from MINERALIZATION, surroundig of vein, and in tunnel. The Sb content increased to 6700 ppm in carbonate host rock of surrounding of vein and it reached to more than 26% Sb in tunnel. Zinc concentration is about 0.1 %. High content of As (up to 342 ppm), Cu (up to 103 ppm), and Pb (152 ppm) occured in surrounding of vein. The Carbonate rock (host rock) altered to silicification, baritization, and dolomitization. These alterations helped as suitable processes prior to MINERALIZATION. Sirzar is an epithermal ANTIMONY MINERALIZATION. The Torbat Jam granitoid rocks located to the east could be the source of MINERALIZATION, which needed further study.

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APA: Copy

MALEKZADEH, S.A., & KARIMPOUR, M.H.. (2011). MINERALIZATION AND GEOCHEMICAL EXPLORATION OF SIRZAR PROSPECT AREA, KHORASAN RAZAVI PROVINCE. RESEARCHES IN EARTH SCIENCES, 2(5), 88-103. SID. https://sid.ir/paper/207424/en

Vancouver: Copy

MALEKZADEH S.A., KARIMPOUR M.H.. MINERALIZATION AND GEOCHEMICAL EXPLORATION OF SIRZAR PROSPECT AREA, KHORASAN RAZAVI PROVINCE. RESEARCHES IN EARTH SCIENCES[Internet]. 2011;2(5):88-103. Available from: https://sid.ir/paper/207424/en

IEEE: Copy

S.A. MALEKZADEH, and M.H. KARIMPOUR, “MINERALIZATION AND GEOCHEMICAL EXPLORATION OF SIRZAR PROSPECT AREA, KHORASAN RAZAVI PROVINCE,” RESEARCHES IN EARTH SCIENCES, vol. 2, no. 5, pp. 88–103, 2011, [Online]. Available: https://sid.ir/paper/207424/en

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