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Mineral Resources On-Line Spatial Data

White River formation

White River formation: Light-colored clay with minor beds of sandstone and local beds of nodular limestone.
StateMontana
NameWhite River formation
Geologic agePhanerozoic | Cenozoic | Tertiary
Original map labelTwr
Primary rock typeclaystone
Secondary rock typesandstone
Other rock typeslimestone
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Claystone (Bed)
Minor
Sedimentary > Clastic > Sandstone > Arkose (Bed)
Incidental
Sedimentary > Carbonate > Limestone (Bed)
Map references
Ross, P.R., Andrews, D.A., and Witkind, I.J., 1955, Geologic map of Montana: U.S. Geological Survey, 2 sheets, scale 1:500,000.
Unit references
Denson, N.M., and Gill, J.R., 1965, Uranium-bearing lignite and carbonaceous shale in the southwestern part of the Williston Basin--A regional study: U.S. Geological Survey Professional Paper 463, 75 p., 19 plates.
Roberts, A.E., 1972, Cretaceous and early Tertiary depositional and tectonic history of the Livingston area, southwestern Montana, in Geology of the Livingston area, southwestern Montana: U.S. Geological Survey Professional Paper 526-C, p. C1
Geographic coverageCarter

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