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Mineral Resources > Online Spatial Data > Geology > by state > Colorado

Morrison, Entrada, and Chinle Fms

Along southern Grand Hogback, Chinle is represented only by basal Gartra Sandstone Member
StateColorado
NameMorrison, Entrada, and Chinle Fms
Geologic agePhanerozoic | Mesozoic | Triassic Jurassic
Original map labelJ@mc
Primary rock typemudstone
Secondary rock typesandstone
Other rock types
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Claystone
Sedimentary > Clastic > Mudstone
Sedimentary > Clastic > Sandstone
Minor
Sedimentary > Clastic > Mudstone > Shale
Sedimentary > Clastic > Siltstone
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 coverageGarfield - Pitkin

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