Bret Harte Mine (Safeguard No. 1), Slate Mountain, Slate Mountain District, Slate Mountains, El Dorado County, California, USAi
| Regional Level Types | |
|---|---|
| Bret Harte Mine (Safeguard No. 1) | Mine |
| Slate Mountain | Mountain |
| Slate Mountain District | Mining District |
| Slate Mountains | Mountain Range |
| El Dorado County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 49' 51'' North , 120° 41' 10'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Camino | 1,750 (2011) | 10.3km |
| Pollock Pines | 6,871 (2017) | 11.6km |
| Placerville | 10,650 (2017) | 14.9km |
| Georgetown | 2,367 (2011) | 15.7km |
| Coloma | 529 (2011) | 18.0km |
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 | 15km |
| Gold Country Treasure Seekers | Placerville, California | 15km |
| Amador County Gem & Mineral Society | Sutter Creek, California | 50km |
A former lode Au mine located in the NW¼ sec. 6, T11N, R12E, MDM, 0.9 km (0.5 mile) N of Slate Mountain (coordinates of record) (W slope of the mountains; ¾ mile by trail from the road), W of Slate Canyon and E of the Slate Mountains, on private land. The property consisted of 3 claims. Owned by Frank Dean (1934). Operated circa 1934. MRDS database stated accuracy for this location is 500 meters. May be the mine shown in the S½NW¼ on the USGS topo map .
Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings include underground openings comprised of 2 adits at 50 feet and 240 feet, respectively.
Several hundred tons of ore were mined from the surface (1934).
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: | 10007111 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Shoofly-Olds Ferry 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 #0060171014
