Pg. 363 (fig. 150). Papel Blanco shale. Subdivided into upper and lower parts, separated by Abacherli oil sand. Shown on structure section as underlying Blanco sandstone (new) and overlying middle Puente(?). [Age is late Miocene.]
Recognized locally southwest of Chino fault in San Bernadino Co., southern CA.
Source: Publication; US geologic names lexicon (USGS Bull. 1200, p. 2920).
Pg. 521. Papel Blanco shale (in Puento formation). Platy siliceous shale with some chert. Thickness about 330 feet. Upper part of Puente. Measured section noted. Recognized in southern California. Age is late Miocene.
Exposed in Slaughter Canyon in southeastern Puente Hills, between Chino and the Santa Ana River, San Bernardino Co., southern CA.
Source: Publication; US geologic names lexicon (USGS Bull. 1200, p. 2920).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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