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Mineral Resources On-Line Spatial Data

Casper and Fountain Formations

CASPER AND FOUNTAIN FORMATIONS. CASPER FORMATION--Gray, tan, and red thick-bedded sandstone underlain by interbedded sandstone and pink and gray limestone. May include some Devonian(?) sandstone along east flank of Laramie Mountains. FOUNTAIN FORMATION--Arkose and red sandstone.
StateWyoming
NameCasper and Fountain Formations
Geologic agePhanerozoic | Paleozoic | Carboniferous Pennsylvanian-Middle Pennsylvanian-Late Permian
Original map labelP&cf
Primary rock typesandstone
Secondary rock typelimestone
Other rock types
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone
Sedimentary > Carbonate > Limestone
Map references
Love, J.D. and Christiansen, Ann Coe, 1985, Geologic Map of Wyoming: U.S. Geological Survey.
Unit references
Love, J.D. and Christiansen, Ann Coe, 1985, Geologic Map of Wyoming: U.S. Geological Survey.
CountiesAlbany - Laramie

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URL: https://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=WYPPAcf;0
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