They mainly consist of sandstone,in which quartzarenite and litharenite are dominant and arkose is lack.

碎砂类为主，其中又石英砂类和砂类为主，缺少长石砂类。

The ore-bearing beds have a bimodal rock association and exhibit assembly characteristics of pyroclastic rock, orebody and exhalite.

含矿系为双峰石组合，具有火山碎-矿体-喷气“三位一体”特徵。

The first rock is mainly andesite clinkering agglomerate, andesite breccia, dacite breccia, rhyolite breccia and rhyolite clinkering tuff.

正常火山碎亚类石类型主要为安山质熔集块,安山质、英安质及流纹质火山角砾及流纹质熔。

Interlayer oxidized zone and argillite-sisandstone-argillite sequence occur in red clastic rock formation with ideal artesian and circulating system of ground water.

在红色碎建造中有层间氧化带和“泥-砂-泥”构发育，并有良好的地下水承压和循环体制，是寻找可地浸砂型铀矿的有利地区。

Xiaertai rock group,a set of metamorphic rock system in Xiaertai area,has experienced strong ductilebrittle deformation and then thermal contact metamorphism and dynamometamorphism in the late stage.

经原恢复可将下二台群分为三个组：盘岭组，黄顶子组及烧锅屯组，其原建造分别为火山建造、碳酸盐建造及碎建造。