Cambrian Mine, Four Corners, Deer Valley Mining District, West Belt, El Dorado County, California, USAi
| Regional Level Types | |
|---|---|
| Cambrian Mine | Mine |
| Four Corners | Unincorporated Community |
| Deer Valley Mining District | Mining District |
| West Belt | - not defined - |
| El Dorado County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 47' 25'' North , 120° 56' 25'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Coloma | 529 (2011) | 4.5km |
| Cold Springs | 446 (2011) | 8.1km |
| Cool | 4,100 (2017) | 12.6km |
| Auburn Lake Trails | 3,426 (2011) | 13.8km |
| Shingle Springs | 4,432 (2011) | 13.9km |
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 | 14km |
| Gold Country Treasure Seekers | Placerville, California | 14km |
| Roseville Rock Rollers | Roseville, California | 30km |
| Fossils for Fun Society, Inc. | North Highlands, California | 39km |
| Sacramento Valley Detecting Buffs | North Highlands, California | 39km |
A former Cu-Au mine located in sec. 23, T11N, R9E, MDM, 2.7 km (1.7 miles) NNW of Four Corners (3 miles W of Coloma), on private land. Operated by L. D. Stodick, et al. Operated in the 1850's, 1900 & 1908. MRDS database stated accuracy for this location is 1,000 meters.
Mineralization is a vein deposit hosted in granodiorite and serpentinite. There are 3 veins of talcose schist. Local rocks include pre-Cenozoic metasedimentary and metavolcanic rocks undivided.
Workings include underground openings with a length of 516.03 meters, comprised of 113 foot, 220 foot & 1,360 foot adits, winzes and drifts.
The ore contains up to 10% Cu.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Malachite Formula: Cu2(CO3)(OH)2 |
| ⓘ Native Copper Formula: Cu |
| ⓘ Native Gold Formula: Au |
| ⓘ Talc Formula: Mg3Si4O10(OH)2 Description: Occurs as veins of talcose schist. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Copper | 1.AA.05 | Cu |
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
| Group 9 - Silicates | |||
| ⓘ | Talc | 9.EC.05 | Mg3Si4O10(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Malachite | Cu2(CO3)(OH)2 |
| H | ⓘ Talc | Mg3Si4O10(OH)2 |
| C | Carbon | |
| C | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | Oxygen | |
| O | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | ⓘ Talc | Mg3Si4O10(OH)2 |
| Mg | Magnesium | |
| Mg | ⓘ Talc | Mg3Si4O10(OH)2 |
| Si | Silicon | |
| Si | ⓘ Talc | Mg3Si4O10(OH)2 |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Cu | ⓘ Native Copper | Cu |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10102837 |
|---|
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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