摘要
本文综合分析了浙江已知74个矿床(点)成矿地质背景、赋矿地层岩石、容矿断裂、蚀变矿化特点,论证了该区铀矿床属于与火山热液有关的气液交代充填型铀矿床。成矿时期为燕山晚期。成故物质主要来源于硅铝壳,成矿元素的富集与岩浆分异作用有密切的关系。于地壳浅部低温低压环境下成矿。
The metallogenic geological setting.mineralized strata and rocks.mineralized fractures and characteristics of alteration and mineralization of 74 Known ore deposits in zhejiang Province are analysed in this paper.The fact that the uranium ore deposit in this region belongs to the filling uranium ore deposit of gas liquid metasomatiosm erlated to volcanic hydrothermal solution is proved.The mineral is formed in late yanshan.The metallogenic substances mainly come from sialic crust and the concentration of mineral-forming elements is closely related to magmatic differentiation.The mineral is formed under the circumstances of low temperature and low press in the shallow part of the crust.
出处
《华东地质学院学报》
1990年第2期15-23,共9页
Journal of East China Geological Institute
关键词
铀矿
成矿条件
成矿物质
成矿
uranium ore deposit
geological feature
metallogenic condition
sources of metallogeic substances.
