Kishenehn Formation

Light to dark bluish gray, locally sandy clay with interbeds of light gray, nodular sandstone, conglomerate, and coal. Dominantly fluvial, palustrine, and lacustrine. Exposed thickness 230 m (755 ft).
State Montana
Name Kishenehn Formation
Geologic age Tertiary
Lithologic constituents
Unconsolidated > Fine-detrital > Clay (Fluvial, Lacustrine)sandy clay
Sedimentary > Coal (Bed)
Sedimentary > Clastic > Conglomerate (Bed)
Sedimentary > Clastic > Sandstone (Bed)

Vuke, S.M., Porter, K.W., Lonn, J.D., and Lopez, D.A., 2007, Geologic Map of Montana - Compact Disc: Montana Bureau of Mines and Geology: Geologic Map 62-C, 73 p., 2 sheets, scale 1:500,000. This map was digitized in 2012 as a result of a contract between the U.S. Geological Survey and the Montana Bureau of Mines and Geology.

NGMDB product
Counties Flathead