固关

固关固关
  1. 在华北地台西缘与秦祁地槽东部的国家湾盆地和固关盆地中下白垩统砂岩中赋存铀矿。

    Mid-lower cretaceous sandstone uranium deposit of basin of Guojiawan and Guguan in north China platform west and Qinqi geosyncline east .