About this location
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Found Here
Geology and deposit
- Deposit type
- Hydrothermal stock, massive; Hydrothermal vein and replacement
- Host rock
- Lost Burro Formation, Jefferson Diabase Dike — Marble, Diabase
- Associated rock
- Union Dike, Green Porphyry Dike, Chainman Shale, Tin Mountain Limestone — Monzonite, Porphyry, Andesite, Dacite, Shale, Limestone
- Orebody form
- Pipe; Tabular, lens
- Tectonic setting
- Passive continental margin
- Deposit model
- 72: Polymetallic replacement
Swansea-Coso Thrust System, Cerro Gordo Anticline, Cerro Gordo Anticline, Cerro Gordo Fault, Buena Vista Fault, La Despreciada Fault, Omega Fault
Silver-lead ores formed as 1) massive low silica pipe-like replacement and fissure filling bodies formed in marble at the intersection of northerly and northwesterly fracture sets and 2) replacement of marble and infiling of fractures. by both low silica and high silica ore solutions. Zinc ores deposited as supergene precipitates.
Negligible
Mining history
- Status
- Past Producer
- Operation type
- Surface-Underground
- Discovered
- 1865
Records and references
De Decker, M, 1993, Mines of the Eastern Sierra, La Siesta Press, Glendale, California, pp 57-65.Merriam, C. W., 1963, Geology of the Cerro Gordo Mining District, Inyo County, California: U. S. Geological Survey Profession Paper 408, 83 p.Nadeau, R. A., 1965, City-makers, the story of southern California's first boom, 1868-76, Trans-Anglo Books, 168 p.Nadeau, R. A., 1965, Ghost towns and mining camps of California, Ward Ritchie Press, 278 p.Tucker, W. B. and Sampson, R. J., 1938, Mineral resources of Inyo County, in California Journal of Mines and Geology, vol 34, no. 4, pp. 431 -434.Miscellaneous information on the Cerro Gordo District is contained in File Number 322-7211 (CGS Mineral Resources Files, Sacramento)
Data: USGS Mineral Resources Data System, record 10310600 — view the source record
Difficulty
Getting there
Location on Map
Coordinates: 36.53774, -117.78758
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