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Dolostone, limestone, arenite, chert, and conglomerate; Ordovician marine continental-shelf deposits; southeastern Idaho

Ordovician marine dolomite, quartzite, and limestone; subdivisions are (Ou and Ol).
StateIdaho
NameDolostone, limestone, arenite, chert, and conglomerate; Ordovician marine continental-shelf deposits; southeastern Idaho
Geologic ageOrdovician
Original map labelO; Ou
Commentscarbonates and quartzites of the eastern miogeosynclinal (continental shelf) facies
Primary rock typedolostone (dolomite)
Secondary rock typelimestone
Other rock typesarenite; chert; conglomerate
Lithologic constituents
Major
Sedimentary > Carbonate > Dolostone (Bed)Bighorn Dolomite and Fish Haven Dolomite
Minor
Sedimentary > Clastic > Sandstone > Arenite (Bed)Swan Peak Quartzite
Sedimentary > Carbonate > Limestone (Bed)Garden City Limestone
Incidental
Sedimentary > Clastic > Conglomerate (Lense)intraformational conglomerate in Garden City Ls
Sedimentary > Chemical > Chert (Lense)local chert in Fish Haven Dol and Garden City Ls
Map references
Bond, J.G., Kauffman, J.D., Miller, D.A., and Venkatakrishnan, Ramesh, 1978, Geologic map of Idaho: Moscow, Idaho, Idaho Bureau of Mines and Geology, with contributions from U.S. Geological Survey, scale 1:500,000.
Unit references
Bond, J.G., Kauffman, J.D., Miller, D.A., and Venkatakrishnan, Ramesh, 1978, Geologic map of Idaho: Moscow, Idaho, Idaho Bureau of Mines and Geology, with contributions from U.S. Geological Survey, scale 1:500,000.
Oriel, S.S., and Platt, L.B., 1980, Geologic map of the Preston 1o x 2o quadrangle, southeastern Idaho and western Wyoming: U.S. Geological Survey Miscellaneous Investigations Series, Map I-1127, scale 1:250,000.
Rember, W.C., and Bennett, E.H., 1979, Geologic map of the Pocatello quadrangle, Idaho: Moscow, Idaho, Idaho Bureau of Mines and Geology, Geologic Map Series, Pocatello 2o quadrangle, scale 1:250,000.
Trimble, D.E., and Carr, W.J., 1976, Geology of the Rockland and Arbon quadrangles, Power County, Idaho: U.S. Geological Survey Bulletin 1399, 115 p., 1 plate 1:48000 scale.
Geographic coverageBannock - Bear Lake - Blaine - Caribou - Cassia - Franklin - Oneida - Power

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