- Usage in publication:
-
- Dicks Lake granodiorite
- Modifications:
-
- Named
- Dominant lithology:
-
- Granodiorite
- AAPG geologic province:
-
- Sierra Nevada province
Summary:
Shown on geologic sketch map of Mt. Tallac roof remnant in Fallen Leaf Lake 15' quad, El Dorado Co, CA. Intrudes Triassic(?) and Jurassic metasedimentary and metavolcanic rocks. Aureole of Dicks Lake granodiorite overlaps aureole of older Camper Flat granodiorite.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
- Usage in publication:
-
- Dicks Lake granodiorite
- Modifications:
-
- Age modified
- AAPG geologic province:
-
- Sierra Nevada province
Summary:
Composed of medium- to coarse-grained hornblende-biotite granodiorite that is exposed over 5 sq mi southwest of Emerald Bay and Cascade Lake, Fallen Leaf Lake 15' quad, El Dorado Co, CA. Intrudes other rocks of Eagle Lake sequence which includes Dicks Lake granodiorite. Also intrudes older diorites and gabbros, younger diorites and gabbros, Camper Flat granodiorite, and quartz diorite at Azure Lake. Shown on map of quad as of Cretaceous age.
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 ([ ]).