Dos Palmas District, Orocopia Mts (Dos Palmas Mts), Riverside Co., California, USA
Latitude & Longitude (WGS84): | 33° 33' 27'' North , 115° 45' 4'' West |
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Latitude & Longitude (decimal): | 33.55755, -115.75137 |
Location & History: Dos Palmas is in the Orocopia Mountains NE of the Salton Sea. Some mining was done here in the 1890's, and the area has been prospected since. Several narrow gold-quartz veins occur in gneiss, schist, and granitic rocks. There have been considerable shearing and faulting in the area. The San Andreas fault zone extends southeast along the side of the Salton Sea.
Mines: Charity, Dos Palmas, Fish, Free Coinage & Messenger.
Mineral List
Mineral list contains entries from the region specified including sub-localities11 valid minerals.
Rock Types Recorded
Rock list contains entries from the region specified including sub-localities
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This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
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Eocene - Late Cretaceous 33.9 - 100.5 Ma | Schist of various types and ages, unit 2 (Southern and West-central California) Age: Phanerozoic (33.9 - 100.5 Ma) Stratigraphic Name: Pelona Schist; Orocopia Schist; Rand Schist Description: Schists of various types; mostly Paleozoic or Mesozoic age; some Precambrian. Comments: Pelona, Orocopia, and Rand Schists of southern California; also includes part of schist of Sierra de Salinas in Gabilan Range of west-central California. Primarily quartz-mica schist interpreted as metagraywacke Lithology: Major:{mica schist}, Incidental:{amphibolite, quartzite, marble, serpentinite} Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133] |
Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License
Localities in this Region
- California
- Riverside Co.
- Orocopia Mts (Dos Palmas Mts)
- Riverside Co.
- California
- Riverside Co.
- Orocopia Mts (Dos Palmas Mts)
- Dos Palmas District
- Orocopia Mts (Dos Palmas Mts)
- Riverside Co.
References
Clark, Wm. B. (1970a) Gold districts of California: California Division Mines & Geology Bulletin 193: 157.
Orocopia Mine, Dos Palmas District, Orocopia Mts, Riverside Co., California, USA