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Sego Sandstone, Buck Tongue of Mancos Shale, and Castlegate Sandstone

StateColorado
NameSego Sandstone, Buck Tongue of Mancos Shale, and Castlegate Sandstone
Geologic agePhanerozoic | Mesozoic | Cretaceous
Original map labelKsc
Primary rock typesandstone
Secondary rock typeshale
Other rock types
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale
Sedimentary > Clastic > Sandstone
Map references
Tweto, Ogden 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000.
Unit references
Tweto, Ogden 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000.
Geographic coverageMoffat - Rio Blanco

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