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Chinle Fm

Red siltstone, sandstone, and limestone-pellet conglomerate
State Colorado
Name Chinle Fm
Geologic age Phanerozoic | Mesozoic | Triassic
Primary rock type siltstone
Secondary rock type sandstone
Other rock types conglomerate
Lithologic constituents
Major
Sedimentary > Clastic > Siltstone
Sedimentary > Clastic > Sandstone
Minor
Sedimentary > Clastic > Conglomeratelimestone-pellet conglomerate
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.
Counties Eagle - Grand - Moffat - Montrose - Park - Routt - Summit