Standard Mine, Coloma, Coloma Mining District, West Belt, El Dorado County, California, USAi
| Regional Level Types | |
|---|---|
| Standard Mine | Mine |
| Coloma | Census-designated Place |
| Coloma Mining District | Mining District |
| West Belt | - not defined - |
| El Dorado County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 48' 36'' North , 120° 53' 12'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Coloma | 529 (2011) | 1.2km |
| Cold Springs | 446 (2011) | 7.7km |
| Georgetown | 2,367 (2011) | 11.5km |
| Placerville | 10,650 (2017) | 11.8km |
| Auburn Lake Trails | 3,426 (2011) | 12.9km |
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 |
|---|---|---|
| El Dorado County Mineral and Gem Society | Placerville, California | 12km |
| Gold Country Treasure Seekers | Placerville, California | 12km |
| Roseville Rock Rollers | Roseville, California | 35km |
| Fossils for Fun Society, Inc. | North Highlands, California | 44km |
| Sacramento Valley Detecting Buffs | North Highlands, California | 44km |
A former lode Au occurrence/mine located in the N½ (estimated) sec. 17, T11N, R10E, MDM, 1.1 km (0.7 mile) N of Coloma, S of Little Gambler Creek & WNW of Murphy Mountain, E of the South Fork American River, on private land. Operated by John Fitzgerald. Operated around 1894. MRDS database stated accuracy for this location is 1,000 meters. Clark & Carlson (1956) show the location as being in sec. 24, but USGS quadrangle Coloma, California (1950) shows it in the SW¼ sec. 17.
Mineralization is a vein/seam deposit. Seams are 2 to 12 inches thick near the contact of granite with slate. Local rocks include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).
Workings include underground openings comprised of a 230 foot adit.
Production data are found in: Clark, Wm. B. & D.W. Carlson (1956).
No other production record was found.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | 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 | ⓘ Gold | Au |
Other Databases
| Link to USGS MRDS: | 10006954 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Calaveras-Baker DomainDomain
- Sierra Nevada BatholithVolcanic Arc
USA
- Sierra NevadaMountain Range
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060170427
