Named as second from lowest member (of 8 named members) of Schoonover Formation (new) for exposures on ridge east of Fry Canyon, Wildhorse quad, Elko Co, NV. Shown on geologic map of portions of Bull Run and Wildhorse quads. Consists mainly of bedded cherts, commonly medium-dark gray to black. Maximum thickness is 650 ft. Overlies Dorsey Creek Member; underlies Mikes Creek Member (both new and of Schoonover Formation). Is Mississippian age.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
Two samples of radiolarian chert from Fry Creek/Mikes Creek Member of Schoonover Formation, collected at approximately 41 deg 31'N, 116 deg 3'W, yielded probably Mississippian and Late Mississippian ages. Chert units sampled are between basal and structurally higher thrust [of Schoonover sequence].
Source: GNU records (USGS DDS-6; Menlo GNULEX).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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