现代地质Issue(4)：859-868,10.
新疆昭苏卡拉盖雷铜金矿床地质地球化学特征及成因探讨
Geological-Geochemical Characteristics and Genesis of Kalagailei Copper-Gold Deposit in Zhaosu County,Xinjiang
摘要
Abstract
Kalagailei copper-gold deposit,located in the western Nalati tectonic belt of Western Tianshan Mountains,Xinjiang,is the first Cu-dominated volcanic hydrothermal deposit accompanied by Au and Co etc. in this metallogenic belt.The hydrogen and oxygen isotope compositions show that ore-forming fluids were main-ly made up of magmatic water in the early period and added by rainwater in the later period.The characteristics of sulfur isotope show that the sulfur sources originate from the deeper crust and upper mantle,accompanying with the interfusion of strata sulfur.The lead isotope compositions indicate that lead sources are mixture of crust and mantle.The Re-Os isotopic model age of molybdenite is (259.6 ±9.7 )Ma,indicating that early stage mineralization age of the deposit falls into the mid-late Permian.The authors probe into the genesis and consider the volcanic rocks of Dahalajunshan Formation are the source beds.At the collision-extensional stage of late Carboniferous,mineral-enriched magmatic hydrothermal fluids originating from the deep crust migrate through regional and large faults,volcanic vents and shallow faults system,and extract early mineral elements,forming the orebody in the favorable tectonic positions.关键词
卡拉盖雷铜金矿床/地球化学/成矿年代/矿床成因/新疆Key words
Kalagailei copper-gold deposit/geochemistry/metallogenic epoch/genesis of deposit/Xinjiang分类
天文与地球科学引用本文复制引用
李小飞,张荣,葛文胜,薛运清,贾琦,郭鹏志,付强,张瑞华,张志伟,冯小珍..新疆昭苏卡拉盖雷铜金矿床地质地球化学特征及成因探讨[J].现代地质,2013,(4):859-868,10.基金项目
国家自然科学基金项目（40972062）。 （）
