Esmeralda and Sunrise Mine, Esmeralda, Murphys Mining District (Esmeralda Mining District; Sperry Mining District), East Belt, Calaveras County, California, USAi
| Regional Level Types | |
|---|---|
| Esmeralda and Sunrise Mine | Mine |
| Esmeralda | - not defined - |
| Murphys Mining District (Esmeralda Mining District; Sperry Mining District) | Mining District |
| East Belt | - not defined - |
| Calaveras County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 9' 31'' North , 120° 31' 40'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Murphys | 2,213 (2015) | 6.3km |
| Mountain Ranch | 1,628 (2011) | 7.8km |
| Vallecito | 442 (2011) | 9.0km |
| Angels Camp | 2,677 (2012) | 10.1km |
| Forest Meadows | 1,249 (2015) | 10.6km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Calaveras Gem & Mineral Society | Angels Camp, California | 10km |
| Amador County Gem & Mineral Society | Sutter Creek, California | 35km |
A former Au mine located in the N½ sec. 34, T4N, R13E, MDM, 0.7 km (0.4 mile) ENE of Esmeralda, along Indian Creek (on the ridge between Indian Creek and San Antonio Creek; E of Esmeralda School). Operated in 1886 to approximately 1900. MRDS database stated accuracy for this location is 500 meters.
Mineralization is a vein deposit with a vein 3 to 4 feet thick, hosted in slate. The ore body strikes W and dips 68N at a thickness 1.22 meters. Dikes reported with ore shoots. Numerous bodies of talc occur in the country rock slate; just S is green schist. Slates are part of the Calaveras Formation. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings include underground openings with an overall depth of 76.2 meters and comprised of a 430 foot inclined shaft and at least 500 feet of drifts.
Production data are found in: Clark, Wm. B. & P.A. Lydon (1962).
Analytical data results: The ore was reported to contain $32 per ton Au (period values - 1888).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Native Gold Formula: Au |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10029224 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Shoofly-Olds Ferry DomainDomain
- Sierra Nevada BatholithVolcanic Arc
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0060090772
