赣南东坑盆地地质特征及铀成矿远景分析

Geological Characteristics and Uranium Mineralization Prospects Analysis on Dongkeng Basin in South Jiangxi Province

东坑盆地、白面石盆地、菖蒲盆地均受南岭成矿带与武夷山成矿带的控制,且均分布有双峰式火山岩。为探讨东坑盆地地质特征及铀成矿远景,通过对东坑盆地地质特征、矿化特征及地球化学特征的研究,分析了东坑盆地的铀成矿远景。目前白面石盆地已成为大型铀矿田,东坑盆地、白面石盆地在盆地形成时代、盆地盖层与基底的岩性、铀产出部位等具有相似的地质特征,东坑盆地次火山活动比白面石盆地更为频繁,找矿潜力巨大。通过分析盆地内火山岩稀土元素及微量元素含量发现,盆地内W、Zn、Sn、Pb、Mo、稀有元素Li、Nb及稀土元素Y、La均高于维氏值几倍,多金属矿产成矿信息显著。东坑盆地具有很好的铀多金属成矿远景。

The Dongkeng Basin,the Baimianshi Basin and the Huapu Basin are controlled by the Nanling Metallogenic Belt and the Wuyishan Metallogenic Belt,and both are bimodal volcanic rocks.In order to explore the geological characteristics and uranium mineralization prospects of the Dongkeng Basin,the uranium mineralization prospects of the Dongkeng Basin were analyzed by studying the geological characteristics,mineralization characteristics and geochemical characteristics of the Dongkeng Basin.At present,the Baibianshi Basin has become a large-scale uranium ore field.The Dongkeng Basin and the Noodle Basin have similar geological characteristics in the basin formation era,the lithology of the basin caprock and the basement,and the uranium production site.The white noodle basin is more frequent and has great potential for prospecting.By analyzing the content of rare earth elements and trace elements in volcanic rocks in the basin,it is found that W,Zn,Sn,Pb,Mo,rare elements Li,Nb and rare earth elements Y and La are all higher than Vickers value several times,polymetallic mineralization and mineralization.The information is significant.Dongkeng Basin has a good prospect of uranium polymetallic mineralization.