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Journal: GEOCHEMISTRY | Year:1393 | Volume:3 | Issue:1 | Start Page:383 | End Page:392

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Title

ZN-PB MINERALIZATION AT THE KUH-E-SURMEH DEPOSIT FIRUZABAD, FARS PROVINCE: GEOCHEMICAL AND FLUID INCLUSION EVIDENCE

Pages

 Start Page 383 | End Page 392

Abstract

 The KUH-E-SURMEH Zn-Pb deposit is located in the south of Firuzabad and southeast Jahani salt diapir. The Ore body included: galena, pyrite and sphalerite were surrounded by brecciated dolomites as host rock. Upper Permian host carbonates show hydrothermal alteration process, solution and brecciation evidence. Microthermometric studies of calcite display that FLUID INCLUSIONs are mostly primary in two phase (L+V) types. Homogenization temperature ranges in 72-145°C, and their salinity varies between 13-22.5 wt % NaCl. Based on the homogenization temperature and salinity, ore forming fluid could be basinal brines source. GEOCHEMISTRY of trace elements indicates that Zardkuh Formation shale is enriched in Zn and Pb, so the shale is probably suggested for Zn-Pb for mineralization. Log Ga/Ge geothermometer, also indicates a metal precipitation from an ore bearing fluid which is taken place at 210°C.

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