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在怀俄明州中部第三纪岩层内的四个主要铀矿区是在来自斯威特沃特隆起花岗岩的河成砂岩内,而且是在邻近的山间盆地沉积的。向南运移到大迪维德盆地的沉积物,在一个冰前冲积扇上沉积。温德河盆地的气山地区内的沉积是在一个被老岩石山脊破坏了正常发育的冲积扇上。但是,在东谢利盆地和泡德河盆地内
The four major uranium deposits in the Tertiary strata in central Wyoming are within fluvial sandstones from the Swift Uplift granite and are deposited in adjacent mountain basins. Sediments that migrate south to the Deepwater Basin are deposited on an ice-front alluvial fan. Deposition in the gas-mountain area of the Wind River basin is on a normally developed alluvial fan ruined by an old rock ridge. However, in the East Xie Li basin and the bubble river basin