Oro Fino Mine, Garden Valley, Kelsey Mining District, El Dorado County, California, USAi
| Regional Level Types | |
|---|---|
| Oro Fino Mine | Mine |
| Garden Valley | Unincorporated Community |
| Kelsey Mining District | Mining District |
| El Dorado County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 51' 7'' North , 120° 52' 14'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Coloma | 529 (2011) | 6.0km |
| Georgetown | 2,367 (2011) | 6.7km |
| Auburn Lake Trails | 3,426 (2011) | 9.9km |
| Cold Springs | 446 (2011) | 12.2km |
| Cool | 4,100 (2017) | 13.1km |
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 |
| Roseville Rock Rollers | Roseville, California | 38km |
| Nevada County Gem & Mineral Society | Grass Valley, California | 44km |
| Fossils for Fun Society, Inc. | North Highlands, California | 47km |
A former lode Au occurrence/mine located in sec. 33, T12N, R10E, MDM, 1.1 km (0.7 mile) WSW of Garden Valley. The property comprises 40 acres. Operated during the period 1925 to 1926 & 1930. MRDS database stated accuracy for this location is 1,000 meters.
Mineralization is a vein Au deposit hosted in amphibolite, on the Mother Lode. The ore body strikes NW and dips 50NE at a thickness of 1.22 meters. Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains).
Workings include underground openings comprised of an 80 foot inclined shaft. The ore was treated at the Frog Pond mill.
No production record was found. Some high-grade ore was produced. A few tons of ore were reported in 1930.
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: | 10007026 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Calaveras-Baker DomainDomain
- Sierra Nevada BatholithVolcanic Arc
USA
- California
- Mother Lode BeltBelt
- Sierra NevadaMountain Range
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060170604
