Triassic and Permian rocks (COTRPr;0)

Triassic and Permian rocks

Red siltstone, shale, and sandstone. Includes various combinations of Nugget, Jelm, Popo Agie, Chugwater, Red Peak, Forelle, Satanka, and Goose Egg Fms near Wyoming border

State	Colorado
Name	Triassic and Permian rocks
Geologic age	Triassic-Permian
Lithologic constituents	Major Sedimentary > Clastic > Sandstone Sedimentary > Clastic > Mudstone > Shale Sedimentary > Clastic > Siltstone
References	Tweto, Ogden, 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000.
NGMDB product	NGMDB product page for 68589
Counties	Jackson - Larimer - Routt

Triassic and Permian rocks

Tweto, Ogden, 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000.