【摘要】 通过对三塘湖盆地基底地层 ,特别是其中火山岩岩石组合及其形成的构造环境进行的研究 ,认为盆地基底主要由岛弧系列的火山岩及火山碎屑岩、正常碎屑岩组成 ,在早石炭世处于岛弧环境。通过分析与对比 ,认为盆地的铀源条件局部较好更多还原

【Abstract】 A study of stratigraphy,especially,volcanic rocks and their tectonic settng,of basement of the Santanghu basin indicates that the basement consists mainly of Early Carbonaceous island arc volcanic rocks, pyroclastic rock and clastic rock. There is abundant uranium source in the basin.更多还原