Arid
DOI10.1016/j.gexplo.2018.07.019
The Zn-Pb sulfide and Pb-Zn-Ag non-sulfide Kuh-e-Surmeh ore deposit, Zagros Belt, Iran: Geologic, mineralogical, geochemical, and S isotopic constraints
Fazli, Samaneh1; Taghipour, Batoul1; Lentz, David R.2
通讯作者Taghipour, Batoul
来源期刊JOURNAL OF GEOCHEMICAL EXPLORATION
ISSN0375-6742
EISSN1879-1689
出版年2018
卷号194页码:146-166
英文摘要

The carbonate-hosted Kuh-e-Surmeh deposit is located in the Zagros Simply Folded Belt, southwestern Iran. The semi-conformable tabular-like ore body lies within the northern flank of the NW-trending Kuh-e-Surmeh anticline. It is comprised of sulfide and non-sulfide base-metal ore types. The sulfide ore has a simple mineralogy and consists almost entirely of sphalerite, galena, and pyrite. Sphalerite is the main sulfide mineral having both crystalline and colloform texture. The Fe content of the sphalerite ranges between 0.04 and 8.9 wt% with the dark sphalerite zones containing higher (3.37-8.9 wt%) Fe values. Crystalline sphalerite is the main source of Ag in the sulfide ore. Galena formed simultaneously with and after sphalerite mineralization. The precipitation of pyrite occurred during the pre- to late sulfide ore mineralization phases. Anglesite is the most abundant nonsulfide mineral. Gray-colored, massive anglesite contains > 100 ppm Ag, representing the main host of Ag mobilized during supergene events. On the basis geochemical data, in non-sulfide portion, there is an increase in Ag values with increasing Pb contents, independent of depth.


The sulfur isotope enrichment factor (epsilon(SO4-primary sulfide minerals) = 7.8%o) reflects the SO4-2 of the late stage gypsum formed by sulfate generated from the dissolution of primary sulfate minerals that mixed with sulfate originating from the oxidation and dissolution of sulfide minerals. Topographic relief, tectonic fracture systems, reactivation of the Surmeh Fault, and uplift related to the Zagros Orogeny all favored the establishment of arid climate conditions, providing an ideal environment for converting Zn-Pb sulfide ore to Pb-Zn-Ag non-sulfide ore.


英文关键词Supergene Zn-Pb sulfide ore Pb-Zn-Ag non-sulfide ore Sulfur isotopes Kuh-e-Surmeh deposit Zagros Orogeny
类型Article
语种英语
国家Iran ; Canada
收录类别SCI-E
WOS记录号WOS:000447940000013
WOS关键词FOLD-THRUST BELT ; DISSOLUTION KINETICS ; AQUEOUS-SOLUTIONS ; BRITISH-COLUMBIA ; FLUID INCLUSION ; SULFUR ; SPHALERITE ; ZINC ; OXYGEN ; OXIDATION
WOS类目Geochemistry & Geophysics
WOS研究方向Geochemistry & Geophysics
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/210933
作者单位1.Shiraz Univ, Coll Sci, Dept Earth Sci, Shiraz, Iran;
2.Univ New Brunswick, Dept Earth Sci, Fredericton, NB E3B 5A3, Canada
推荐引用方式
GB/T 7714
Fazli, Samaneh,Taghipour, Batoul,Lentz, David R.. The Zn-Pb sulfide and Pb-Zn-Ag non-sulfide Kuh-e-Surmeh ore deposit, Zagros Belt, Iran: Geologic, mineralogical, geochemical, and S isotopic constraints[J],2018,194:146-166.
APA Fazli, Samaneh,Taghipour, Batoul,&Lentz, David R..(2018).The Zn-Pb sulfide and Pb-Zn-Ag non-sulfide Kuh-e-Surmeh ore deposit, Zagros Belt, Iran: Geologic, mineralogical, geochemical, and S isotopic constraints.JOURNAL OF GEOCHEMICAL EXPLORATION,194,146-166.
MLA Fazli, Samaneh,et al."The Zn-Pb sulfide and Pb-Zn-Ag non-sulfide Kuh-e-Surmeh ore deposit, Zagros Belt, Iran: Geologic, mineralogical, geochemical, and S isotopic constraints".JOURNAL OF GEOCHEMICAL EXPLORATION 194(2018):146-166.
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