Pg. 44, map, sections. Phoenix limestone lentil of Bingham quartzite (new). Consists of white or light-colored marble. Thickness 0 to 300 feet; maximum thickness southeast of Petro mine. Age is late Carboniferous [Pennsylvanian] based on fossils. [Sections show it some distance above Tilden limestone lentil (new).]
Crops out at mouth of Phoenix mine, Bingham mining district, north-central Utah
Source: US geologic names lexicon (USGS Bull. 896, p. 1650); GNU records (USGS DDS-6; Menlo GNULEX).
Phoenix Limestone Lentil of Bingham Quartzite of Keith (1905) is abandoned as formally named unit. It is herein considered to be an informal marker bed. Bingham Quartzite is also abandoned and is replaced by Oquirrh Formation as defined by Gilluly (1932).
Source: GNU records (USGS DDS-6; Menlo GNULEX).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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