Usage:
Tierra Loma Shale Member of Moreno Formation (CA*)
Subunits:
Mercy Sandstone Lentil.
Geologic age:
Late Cretaceous*
Type section, locality, area and/or origin of name:
Type section: Escarpado Canyon, [6 mi south of Moreno Gulch and 2 mi north of Panoche Creek, Panoche Hills], in sec. 7, T. 15 S., R. 12 E., Chounet Ranch 7.5-min quadrangle, Fresno Co., southern CA (Payne, 1951; Bartow, 1996).
Named from Tierra Loma Schoolhouse [no longer exists] near E/4 corner sec. 9, T. 14 S., R. 12 E., [Tierra Loma School quadrangle, 1923 ed., scale 1:31,680] (Payne, 1951).
AAPG geologic province:
San Joaquin basin*
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 ([ ]).