内蒙古小红山钒钛磁铁矿床成矿特征及成因探讨

Discussion on the Deposit Features and Genetic Characteristics of Vanadium-Titanium Magnetite Ore in Xiaohongshan, Western Inner Mongolia

摘要: 小红山矿床与河北大庙钒钛铁矿床同产在天山-阴山造山带的两端和相近的纬度上,华力西早期辉长岩为赋矿主岩体,地表多呈脉状贯入型钒钛磁铁矿分布,深部多以隐伏的岩浆-分异型似层状钒钛磁铁矿产出.矿体较稳定、品位较富.矿石矿物以磁铁矿和钛铁矿为主,共伴生有V等元素.属于一种岩浆-分异和分凝-贯入叠加复合型的钒钛磁铁矿类型,为介于攀枝花式和大庙式钒钛磁铁矿特征之间一种新的成矿类型.此类型矿化的发现,对寻找同种钒钛磁铁矿类型具有一定的现实意义.

Abstract: Xiaohongshan and Damiao vanadium and ilmenite deposits in the Tianshan mountains-Yinshan belts in the similar latitude.The early Hercynian gabbro rock is the main mine body.The consistent income-based distribution of vanadium-titanium magnetite is shown mostly in the surface,and in the deep is the magma-shaped like layered sub-vanadium-titanium magnetite output.The ore body is stable and rich.The magnetite and ilmenite ore minerals are mainly symbiotic elements such as vanadium,which is a magma-differentiation and segregation-penetration superpo sition compound type of vanadium-titanium magnetite,and a new type of type between Panzhihua and Damiao V-Ti magnetite-type ore-forming charact eristics.the discovery of This type of mineralization has a certain scientific significance for the similar types of vanadium-titanium magnetite.