Two periods of mineralization in Xiaoxinancha Au-Cu deposit, NE China: evidences from the geology and geochronology

doi:10.1002/gj.2605

CORC > 地质与地球物理研究所 > 中国科学院地质与地球物理研究所 > 中国科学院矿产资源研究重点实验室

	Two periods of mineralization in Xiaoxinancha Au-Cu deposit, NE China: evidences from the geology and geochronology
	Zeng, Qingdong 1; Guo, Feng 2; Zhou, Lingli 1; Duan, Xiaoxia 1
刊名	GEOLOGICAL JOURNAL
	2016
卷号	51 期号:1 页码:51-64
关键词	Porphyry Au-cu Mineralization Shrimp U-pb Age Re-os Age Xiaoxinancha Deposit Ne China
DOI	10.1002/gj.2605
文献子类	Article
英文摘要	The Xiaoxinancha Au-Cu deposit is located at the eastern segment of the Tianshan-Xingmeng orogenic belt in northeast China. The deposit includes porphyry Au-Cu orebodies, veined Au-Cu orebodies and veined Mo mineralizations. All of them occur within the diorite intrusion. The Late Permian diorite, Late Triassic granodiorite, Early Cretaceous granite and granite porphyry are developed in the ore area. The studies on geological features show that the porphyry Au-Cu mineralization is related to the Late Permian diorite intrusion. New geochronologic data for the Xiaoxinancha porphyry Au-Cu deposit yield Permian crystallization zircon U-Pb age of 257 +/- 3Ma for the diorite that hosts the Au-Cu mineralization. Six molybdenite samples from quartz + molybdenite veins imposed on the porphyry Au-Cu orebodies yield an isochron age of 110.3 +/- 1.5Ma. The ages of the molybdenites coeval to zircon ages of the granite within the errors suggest that the Mo mineralization was genetically related to the Early Cretaceous granite intrusion. The formation of the diorite and the related Au-Cu mineralization were caused by the partial melting of the subduction slab during the Late Palaeozoic palaeo-Asia Ocean tectonic stage. The Re contents and Re-Os isotopic data indicate that the crustal resource is dominated for the Mo mineralization during the Cretaceous extensional setting caused by the roll-back of the palaeo-Pacific plate. Copyright (C) 2014 John Wiley & Sons, Ltd.
WOS关键词	PORPHYRY COPPER-DEPOSIT ; U-PB GEOCHRONOLOGY ; RE-OS AGES ; METAMORPHIC CORE COMPLEX ; NORTHEAST CHINA ; MO DEPOSIT ; MOLYBDENUM DEPOSITS ; OROGENIC BELT ; ZIRCON U ; CHRONOLOGY
WOS研究方向	Geology
语种	英语
WOS记录号	WOS:000372734700004
资助机构	National Natural Science Foundation of China(41390443) ; National Natural Science Foundation of China(41390443) ; Major State Basic Research Program of China(2013 CB429804) ; Major State Basic Research Program of China(2013 CB429804) ; National Natural Science Foundation of China(41390443) ; National Natural Science Foundation of China(41390443) ; Major State Basic Research Program of China(2013 CB429804) ; Major State Basic Research Program of China(2013 CB429804)
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/62033]
专题	地质与地球物理研究所_中国科学院矿产资源研究重点实验室
作者单位	1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, POB 9825, Beijing 100029, Peoples R China 2.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Isotope Geochem, Guangzhou, Guangdong, Peoples R China
推荐引用方式 GB/T 7714	Zeng, Qingdong,Guo, Feng,Zhou, Lingli,et al. Two periods of mineralization in Xiaoxinancha Au-Cu deposit, NE China: evidences from the geology and geochronology[J]. GEOLOGICAL JOURNAL,2016,51(1):51-64.
APA	Zeng, Qingdong,Guo, Feng,Zhou, Lingli,&Duan, Xiaoxia.(2016).Two periods of mineralization in Xiaoxinancha Au-Cu deposit, NE China: evidences from the geology and geochronology.GEOLOGICAL JOURNAL,51(1),51-64.
MLA	Zeng, Qingdong,et al."Two periods of mineralization in Xiaoxinancha Au-Cu deposit, NE China: evidences from the geology and geochronology".GEOLOGICAL JOURNAL 51.1(2016):51-64.