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Fox Hill sandstone

Fox Hills sandstone: Typically shaly sandstone grading upward into massive brownish sandstone with white sandstone of the Colgate member locally at top.
StateMontana
NameFox Hill sandstone
Geologic agePhanerozoic | Mesozoic | Cretaceous-Late
Original map labelKfh
Primary rock typesandstone
Secondary rock typemudstone
Other rock types
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone (Bed)
Minor
Sedimentary > Clastic > Mudstone (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
Bergantino, R., Porter, K.W., 2002, Geologic map of the Rocky Boy 30'x 60' map: Montana Bureau of Mines and Geology Open File Report 451, 16 p, scale 1:100,000.
Rigby, J.K. and Rigby, J.K., Jr., 1990, Geology of the Sand Arroyo and Bug Creek quadrangles, McCone County, Montana: Brigham Young University Geology Studies, v. 36, p. 69-134.
Thom, W.T., Jr. and Dobbin, C.E., 1924, Stratigraphy of Cretaceous-Eocene transition beds in eastern Montana and the Dakotas: Geological Society of America Bulletin, v. 35, no. 9, p. 481-505.
Fox, J.E., 1993, Stratigraphic cross sections showing electric logs of Upper Cretaceous and older rocks, Powder River basin, southeastern Montana and northeastern Wyoming: U.S. Geological Survey Oil and Gas Investigations Chart OC-135 to OC-138,
Geographic coverageBlaine - Carter - Dawson - Fallon - Garfield - McCone - Petroleum - Phillips - Powder River - Prairie - Richland - Roosevelt - Valley - Wibaux

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