Nopah and Bonanza King Formations, Muav Limestone, and Pioche Shale

Nopah and Bonanza King Formations, Muav Limestone, and Pioche Shale
State Utah
Name Nopah and Bonanza King Formations, Muav Limestone, and Pioche Shale
Geologic age Middle Cambrian
Lithologic constituents
Major
Sedimentary > Carbonate > Dolostone (Bed)
Minor
Sedimentary > Clastic > Mudstone > Shale (Bed)
Sedimentary > Carbonate > Limestone (Bed)Pioche Shale really low grade phyllite; burial metamorphism
Metamorphic > Metasedimentary > Metaclastic > Phyllite (Greenschist)Pioche Shale really low grade phyllite; burial metamorphism
References

Hintze, L.F., 1980, Geologic map of Utah: Utah Geological and Mineral Survey, scale 1:500,000.

Hintze, L.F., 1988, Geologic History of Utah: Brigham Young University Geology Studies Special Publication 7, 202 p.

Sundberg, F.A., and McCollum, L.B., 2000, Ptychopariid trilobites of the Lower-Middle Cambrian boundary interval, Pioche Shale, southeastern Nevada: Journal of Paleontology, v. 74, no. 4, p. 604-630.

NGMDB product
Counties Beaver - Iron - Washington