Pg. 387, 419. Watt's Creek bed in Cisco division. Mostly bluish and reddish sandy clay, with thin strata of limestone and sandstone. Thickness 50 to 75 feet. Member of Cisco division [Cisco is 2nd from top of 5 Carboniferous divisions of Cummins, 1891]. Underlies Horse Creek bed and overlies Camp Colorado bed. Age is Pennsylvanian.
[Named from Watts Creek, Coleman Co., Colorado River region, central TX.]
Source: US geologic names lexicon (USGS Bull. 896, p. 2285).
Pg. 24, 31; Univ. Texas Bull., no. 2132, p. 177, 181, 182, and charts. Watts Creek shale member, 50 to 75 feet thick, is basal member of Moran formation in Colorado River Valley. Underlies Horse Creek limestone member of Moran and overlies Camp Colorado limestone member of Pueblo formation.
Named from Watts Creek, Coleman Co., Colorado River region, north-central TX.
[Moran formation was transferred to Permian in 1933 (Sellards, Univ. Texas Bull. 3232).]
Source: US geologic names lexicon (USGS Bull. 896, p. 2285).
Sheets 3, 4. R.C. Moore, 1949, USGS Oil and Gas Inv. Prelim. Map 80, sheet 2. Watts Creek shale member of Moran formation. Underlies Gouldbusk limestone member (new); overlies Camp Colorado limestone member of Pueblo formation. Age is Early Permian (Wolfcamp).
Source: US geologic names lexicon (USGS Bull. 1200, p. 4150).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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