黄泥湖铀矿床地质特征及成因探讨

Discussion on geologic feature and genesis of Huangnihu uranium deposit

文章从区域地质、岩浆岩、构造、热液蚀变和铀成矿地质特征等方面,系统阐述了黄泥湖铀矿床成矿条件和控矿因素,提出该矿床成矿经历了沉积成矿、火山作用热水叠加成矿和热液作用改造富集3个阶段的观点。在此基础上,总结出该区"以砂岩为基础、凹沟是条件、热盖是关键、斑岩旁侧有好矿"的铀矿找矿新思路,对区内火山盆地铀矿找矿工作具有实际指导意义。

The forming condition and controlling factors of Huangnihua uranium deposit in Xuwu,Jiangxi were discussed in regional geology setting,magatism,structure,hydrothermal alteration and uranium mineralization features,it was proposed that the formation of the deposit had exprienced three stages of sandstone deposition,superimposition of thermal water action from volcanism and uranium enrichment of hydrothermal reworking.The exploration idea was summarized as＂sandstone with furrows is the base and volcanic covers is the key and rich mineralization is near the porphyry＂which is of practical significance to uranium exploration of volcanic basin in this area.