BI- SULFOSALT MINERAL SERIES AND THEIR PARAGENETIC ASSOCIATIONS IN SPECULA RITE-RICH CU-AG-AU DEPOSIT, QALEH-ZARI MINE, IRAN

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KARIMPOUR M.H.; RAZMARA M.; LARGE R.R.; PATTRICK R.A.D.

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Journal: Iranian Journal of Crystallography and Mineralogy Year:2006 | Volume:13 | Issue:2 Page(s): 417-432

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Title

BI- SULFOSALT MINERAL SERIES AND THEIR PARAGENETIC ASSOCIATIONS IN SPECULA RITE-RICH CU-AG-AU DEPOSIT, QALEH-ZARI MINE, IRAN

Author(s)

KARIMPOUR M.H. | RAZMARA M. | LARGE R.R. | PATTRICK R.A.D. | Issue Writer Certificate

Keywords

SULFOSALTQ3

AIKINITEQ4

MATILDITE AND WITTICHINIRE QALEH-ZARI MINEQ4

IRANQ4

Abstract

Qaleh-Zari specularite-rich Cu-Ag-Au deposit is located 180 Km south of Birjand, in eastern IRAN. Host rocks are mainly Tertiary calc-alkaline to K-rich calc-alkaline of 40.5±2 Ma and Jurassic sandstones and shales. Three major sub-parallel steep quartz veins are identified in different rock types, in particular andesitic rocks. The Qaleh-Zari deposit is a specularite-rich hydrothermal, Cu-Ag-Au vein type deposit. Several complex Cu-Pb-Bi and Ag- Pb-Bi SULFOSALT minerals have been identified in samples from different vein mineralization. Based on the paragenesis and fluid inclusion data temperature of homogenization, four ore-forming stages are identified in the area. In the first stage, specularite, chlorite, chalcopyrite and Bi-SULFOSALTs, (aikinite, matildite and wittichinite) were formed. The temperature of the homogenization of the fluid inclusions for the first stage ranges as 380 to 290°C. In the second stage, pyrite, chalcopyrite, chlorite, AIKINITE, cosalite, wittichinite and bismuthinite-aikinite were deposited. Homogenization temperature of fluid inclusions for the second stage of the mineralization are between 290 and 230°C. Within the third and fourth stages of the mineralization, specularite, quartz, calcite, pyrite, Ag-bearing AIKINITE, and an unknown Ag-SULFOSALT were formed. The homogenization temperature for this stage ranges between 250 and 180°C. The unknown Ag-rich SULFOSALTs and arcubisite have the highest Te, As, st, and Se contents. The salinity of ore fluid was between 1.0 and 6.0 Wt% equiv. NaCl and the CO2 was < 0.1 mole%. Based on mineral paragenesis, the fluid was very oxidizing with a log £02 between -13 and -28 (assuming a temperature of 300°C).

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APA: Copy

KARIMPOUR, M.H., RAZMARA, M., LARGE, R.R., & PATTRICK, R.A.D.. (2006). BI- SULFOSALT MINERAL SERIES AND THEIR PARAGENETIC ASSOCIATIONS IN SPECULA RITE-RICH CU-AG-AU DEPOSIT, QALEH-ZARI MINE, IRAN. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, 13(2), 417-432. SID. https://sid.ir/paper/4212/en

Vancouver: Copy

KARIMPOUR M.H., RAZMARA M., LARGE R.R., PATTRICK R.A.D.. BI- SULFOSALT MINERAL SERIES AND THEIR PARAGENETIC ASSOCIATIONS IN SPECULA RITE-RICH CU-AG-AU DEPOSIT, QALEH-ZARI MINE, IRAN. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY[Internet]. 2006;13(2):417-432. Available from: https://sid.ir/paper/4212/en

IEEE: Copy

M.H. KARIMPOUR, M. RAZMARA, R.R. LARGE, and R.A.D. PATTRICK, “BI- SULFOSALT MINERAL SERIES AND THEIR PARAGENETIC ASSOCIATIONS IN SPECULA RITE-RICH CU-AG-AU DEPOSIT, QALEH-ZARI MINE, IRAN,” IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, vol. 13, no. 2, pp. 417–432, 2006, [Online]. Available: https://sid.ir/paper/4212/en

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