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Blind Bull Formation

BLIND BULL FORMATION--Gray to tan conglomeratic sandstone, siltstone, claystone, coal, and bentonite.
StateWyoming
NameBlind Bull Formation
Geologic agePhanerozoic | Mesozoic | Cretaceous-Late
Original map labelKbb
Primary rock typemedium-grained mixed clastic
Secondary rock typefine-grained mixed clastic
Other rock typescoal; mixed clastic/volcanic
Lithologic constituents
Minor
Sedimentary > Clastic > Mudstone > Claystone > Bentonite
Sedimentary > Coal
Sedimentary > Clastic > Mudstone > Claystone
Sedimentary > Clastic > Siltstone
Sedimentary > Clastic > Sandstone
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 coverageLincoln - Sublette

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