Bowman limestone. Mottled shaly limestones, intraformational conglomerate, and oolitic limestone, with shaly member, about 35 feet thick, at base. Thickness 280 feet. Grades into overlying Lynch dolomite, the boundary being arbitrarily drawn at base of lowest dolomite bed. Conformably overlies Hartmann limestone. Age is Middle Cambrian.
Named from exposures in Bowman Gulch, northwest of Ophir, [in NW/4 sec. 23, T. 5 S., R. 4 W., Ophir 7.5-min quadrangle], Tooele Co., Oquirrh Mountains region, central northern UT.
Source: US geologic names lexicon (USGS Bull. 896, p. 244).
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