Pg. 363 (fig. 150). Hunter sandstone and conglomerate. Shown on structure section as underlying Peculiar shale (new) and overlying Cubierto shale (new). [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. 1840).
Pg. 521. Hunter sandstone and conglomerate (in Puento formation). Sandstone, conglomerate, and clay shale 216 feet thick. 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: US geologic names lexicon (USGS Bull. 1200, p. 1840).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).