Ajax Dolomite and Opex Formation

Ajax Dolomite and Opex Formation (upper member of Maxfield Limestone).
State Utah
Name Ajax Dolomite and Opex Formation
Geologic age Middle Cambrian to Early Ordovician
Lithologic constituents
Sedimentary > Carbonate > Dolostone (Bed)chert nodules
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Clastic > Mudstone > Shale (Bed)
Sedimentary > Chemical > Chert (Lens)

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.

NGMDB product
Counties Juab - Millard - Tooele - Utah