GEOTHERMOMETRY AND PHYSIOCHEMICAL CONDITION OF QALEH- ZARI CU-AU ORE BEARING SOLUTION BASED ON CHLORITE COMPOSITION AND FLUID INCLUSION STUDY

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KARIMPOUR M.H.; ZAW KH.

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Journal: Iranian Journal of Crystallography and Mineralogy Year:2000 | Volume:8 | Issue:1 Page(s): 3-22

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Title

GEOTHERMOMETRY AND PHYSIOCHEMICAL CONDITION OF QALEH- ZARI CU-AU ORE BEARING SOLUTION BASED ON CHLORITE COMPOSITION AND FLUID INCLUSION STUDY

Author(s)

KARIMPOUR M.H. | ZAW KH. | Issue Writer Certificate

Keywords

CHLORITEQ2

RIPIDOLITEQ3

GEOTHERMAMETRYQ4

QALEH ZARIQ2

Abstract

Qaleh-Zari mine is the largest Cu-Au vein type deposit in Iran and is located about 182 km south of Birjand (Khorasan province). The ore grade ranges from Cu= 0.5-8%, Au= 0.5-15 ppm, and Ag= 20-150 ppm. Mineralization concentrated in three major veins. Host rocks are mainly andesite to basaltic andesite (Paleocene-Eocene). The main paragenesis is: quartz, hematite (specularite), CHLORITE, chalcopyrite, ±pyrite, ±Ag-sulfosalts, and ± gold. Samples were collected from three veins at depth of -70, -100, -135, and -170 meters. At each level, samples are taken every 10m. CHLORITEs are mainly Fe-rich RIPIDOLITE, however a few sampels are brunsvigite and pycnoCHLORITE. Temperature of CHLORITEs formation were calculated based on the Cathelineau and Nieva (1985) equation. The CHLORITEs were formed between 260-300°C. The temperature of CHLORITE formation is 10-30°C less than temperature measured from fluid inclusion. Using CHLORITE composition and t1uid inclusion data from Qaleh- Zari, new equation is presented for calculation of temperature for CHLORITE formation. The ore fluid contained. log mH2S= -3 to -3.5, log mH2< -5.5 , log fO2= -30 to -29.

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APA: Copy

KARIMPOUR, M.H., & ZAW, KH.. (2000). GEOTHERMOMETRY AND PHYSIOCHEMICAL CONDITION OF QALEH- ZARI CU-AU ORE BEARING SOLUTION BASED ON CHLORITE COMPOSITION AND FLUID INCLUSION STUDY. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, 8(1), 3-22. SID. https://sid.ir/paper/3836/en

Vancouver: Copy

KARIMPOUR M.H., ZAW KH.. GEOTHERMOMETRY AND PHYSIOCHEMICAL CONDITION OF QALEH- ZARI CU-AU ORE BEARING SOLUTION BASED ON CHLORITE COMPOSITION AND FLUID INCLUSION STUDY. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY[Internet]. 2000;8(1):3-22. Available from: https://sid.ir/paper/3836/en

IEEE: Copy

M.H. KARIMPOUR, and KH. ZAW, “GEOTHERMOMETRY AND PHYSIOCHEMICAL CONDITION OF QALEH- ZARI CU-AU ORE BEARING SOLUTION BASED ON CHLORITE COMPOSITION AND FLUID INCLUSION STUDY,” IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, vol. 8, no. 1, pp. 3–22, 2000, [Online]. Available: https://sid.ir/paper/3836/en

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