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Mineral Resources On-Line Spatial Data

Bridger Formation

BRIDGER FORMATION--Greenish-gray, olive-drab, and white tuffaceous sandstone and claystone; lenticular marlstone and conglomerate.
StateWyoming
NameBridger Formation
Geologic agePhanerozoic | Cenozoic | Tertiary | Eocene
Original map labelTb
Primary rock typefine-grained mixed clastic
Secondary rock typemixed clastic/volcanic
Other rock typesmixed clastic/carbonate
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Claystone
Sedimentary > Clastic > Sandstone
Minor
Sedimentary > Clastic > Conglomerate
Sedimentary > Carbonate > Marlstone
Incidental
Igneous > Volcanic (Pyroclastic, tuff)
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.
Geographic coverageFremont - Lincoln - Sublette - Sweetwater - Uinta

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