- Usage in publication:
-
- Estelle quartz diorite
- Modifications:
-
- Named
- Dominant lithology:
-
- Quartz diorite
- AAPG geologic province:
-
- Peninsular Ranges province
Summary:
Named for occurrence in valley to east of Estelle Mountain, Perris-Elsinore area, Riverside Co, CA. Quartz diorite is distinct in hand specimen from Perris quartz diorite (new). Intrudes Temescal dacite-porphyry (new). Age given as Late Jurassic(?).
Source: GNU records (USGS DDS-6; Menlo GNULEX).
- Usage in publication:
-
- Estelle tonalite*
- Modifications:
-
- Age modified
- Redescribed
- Dominant lithology:
-
- Tonalite
- AAPG geologic province:
-
- Peninsular Ranges province
Summary:
Estelle quartz diorite of Dudley (1935) is redescribed as Estelle tonalite. Resembles Green Valley tonalite more than it does Bonsall tonalite. Rock is light gray with grains up to few mm in length. Occupies about 2 sq mi and intrudes Temescal Wash quartz latite porphyry (new) which surrounds it on all sides. Map legend shows age as Cretaceous.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
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 ([ ]).