Glacial deposit

Dominantly till, outwash, and local glacial lake deposits. Shown only in western and south-central Montana. Laurentide glacial deposits are indicated with a map pattern.
State Montana
Name Glacial deposit
Geologic age Quaternary
Lithologic constituents
Major
Unconsolidated (Glacial, Glacial-till, Glacial-outwash)Dominantly till, outwash, and local glacial lake deposits.
References

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 Beaverhead - Carbon - Flathead - Gallatin - Glacier - Lake - Lewis and Clark - Lincoln - Madison - Missoula - Park - Pondera - Powell - Ravalli - Sanders - Stillwater - Teton