U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Corona

Usage:

Corona Horneblende Granodiorite Porphyry (CA)


Geologic age:

Jurassic


Type section, locality, area and/or origin of name:

Not stated. Origin of name not stated. Crops out in 2 belts, one on each side of Temescal Canyon, in small body southeast of El Cerrito village, and in rectangular body in northeastern part of Corona South quadrangle, southeastern CA (Gray, 1961).


AAPG geologic province:

Los Angeles 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 ([ ]).