Sedimentary rocks (Triassic).

Red mudrock and fine-grained sandstone and marine limestone; includes Dinwoody, Woodside, Thaynes, and Ankareh formations in eastern Idaho thrust belt. (Paleocene to Neoproterozoic Sedimentary and Igneous Rocks of the Cordilleran System).
State Idaho
Name Sedimentary rocks (Triassic).
Geologic age Triassic
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone (Bed)Marine limestone.
Sedimentary > Clastic > Sandstone (Bed)
Sedimentary > Clastic > Mudstone (Bed)
References

Lewis, Reed S., Link, Paul K., Stanford, Loudon R., and Long, Sean P., Geologic Map of Idaho, 2012, Idaho Geological Survey, Geologic Map 9 (M-9); Scale 1:500,000.

NGMDB product
Counties Bannock - Bear Lake - Bingham - Bonneville - Caribou - Clark - Fremont - Lemhi - Madison - Teton