Geology, geochemistry and genesis of the Zankan iron deposit in the West Kunlun Orogen, Xinjiang, China

doi:10.1016/j.oregeorev.2017.09.009

GIG OpenIR

	Zhou, Zhen-Ju 1,2; Tang, Hao-Shu 3; Wu, Yan-Shuang 4; Li, Qiu-Gen 2; Chen, Yan-Jing 2; Chen, Zheng-Le 1
	Geology, geochemistry and genesis of the Zankan iron deposit in the West Kunlun Orogen, Xinjiang, China
刊名	ORE GEOLOGY REVIEWS
ISSN号	0169-1368
	2018-09-01
卷号	100 页码:334-346
DOI	10.1016/j.oregeorev.2017.09.009
语种	英语
WOS研究方向	Geology ; Mineralogy ; Mining & Mineral Processing
摘要	The Zankan iron deposit (Taxkorgan County, Xinjiang) is a recently discovered large Fe deposit in western China. The deposit is hosted in the Bulunkuole metamorphic complex in the Taxkorgan terrane of the West Kunlun Orogen. The ores are uniquely composed of magnetite, pyrite and anhydrite with variable contents, and show massive, disseminated and banded styles. The ores contain widely varying (Al2O3 + TiO2) (0.28-5.48 wt%), Zr (3.0-83 ppm) and Hf (< 0.2-2 ppm), indicating a terrigenous clastic material input. Detrital contamination is minor, as demonstrated by poor correlations of Y/Ho ratio vs. Zr, Th, Hf and Al2O3 contents, as well as Zr vs. TiO2. The ores contain seawater-like LREE depletion, positive La and Y anomalies, and occasional Eu enrichment, which suggest hydrothermal contributions. In addition, three samples show relatively high REY (604-1254 ppm), negative Eu anomalies (Eu/Eu*(PAAS) = 0.36-0.96) and MREE enrichment (Sm/ Yb-PAAS = 1.25-2.81), suggesting a probable fluvial input and shallow precipitation. The delta S-34 ratios range widely (3.2-32.8%o) and show an alternating and/or mixing source of two end-members. The seawater sulfate may have been an indispensable end-member, and the other end-member may have been the volcanic host rocks in the Bulunkuole Complex, which has likely contributed the ore-forming metals. Integrating evidence from regional geology, ore geology, and geochemistry, we conclude that the Zankan Fe deposit was the result of an Early Cambrian seafloor hydrothermal system.
关键词	Sulfur isotope Magnetite-sulfide-sulfate assemblage Zankan iron deposit Seafloor hydrothermal system West Kunlun Orogen
WOS记录号	WOS:000446285100021
收录类别	SCI
引用统计
文献类型	期刊论文
条目标识符	http://ir.gig.ac.cn/handle/344008/45816
通讯作者	Tang, Hao-Shu; Chen, Yan-Jing
作者单位	1.Chinese Acad Geol Sci, Inst Geomech, Beijing 100081, Peoples R China 2.Peking Univ, Key Lab Orogen & Crustal Evolut, Beijing 100871, Peoples R China 3.Chinese Acad Sci, Inst Geochem, State Key Lab Ore Deposit Geochem, 46 Guanshui Rd, Guiyang 550002, Guizhou, Peoples R China 4.Chinese Acad Sci, Xinjiang Res Ctr Mineral Resources, Xinjiang Inst Ecol & Geog, Urumqi 830011, Peoples R China
推荐引用方式 GB/T 7714	Zhou, Zhen-Ju,Tang, Hao-Shu,Wu, Yan-Shuang,et al. Geology, geochemistry and genesis of the Zankan iron deposit in the West Kunlun Orogen, Xinjiang, China[J]. ORE GEOLOGY REVIEWS,2018,100:334-346.
APA	Zhou, Zhen-Ju,Tang, Hao-Shu,Wu, Yan-Shuang,Li, Qiu-Gen,Chen, Yan-Jing,&Chen, Zheng-Le.(2018).Geology, geochemistry and genesis of the Zankan iron deposit in the West Kunlun Orogen, Xinjiang, China.ORE GEOLOGY REVIEWS,100,334-346.
MLA	Zhou, Zhen-Ju,et al."Geology, geochemistry and genesis of the Zankan iron deposit in the West Kunlun Orogen, Xinjiang, China".ORE GEOLOGY REVIEWS 100(2018):334-346.