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Clerkin property (French Corral project), Birchville, French Corral Mining District, Nevada County, California, USAi
| Regional Level Types | |
|---|---|
| Clerkin property (French Corral project) | Property |
| Birchville | - not defined - |
| French Corral Mining District | Mining District |
| Nevada County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 19' 4'' North , 121° 8' 54'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| North San Juan | 269 (2011) | 6.9km |
| Dobbins | 624 (2011) | 7.8km |
| Rough and Ready | 963 (2011) | 9.8km |
| Lake Wildwood | 4,991 (2011) | 10.4km |
| Nevada City | 3,152 (2017) | 12.8km |
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 |
|---|---|---|
| Nevada County Gem & Mineral Society | Grass Valley, California | 13km |
| Feather River Lapidary & Mineral Society | Oroville, California | 41km |
| Sutter Buttes Gem & Mineral Society | Marysville, California | 43km |
A Au-Ag occurrence located in sec. 24, T17N, R7E, MDM, 1.2 km (0.7 mile) SSW of Birchville and 1.7 km (1.0 mile/5,400 feet) NE of French Corral, S side of Birchville Road and E of Pleasant Valley Road, on private (patented) land. The property comprises 156 acres, 30 to 40 of which contains the auriferous gravels. Owned & operated by Rock and Rock Mines, California (1991). Operated by W. P. Clerkin (timeframe not provided). MRDS database stated accuracy for this location is 100 meters. Clerkin worked the property for about 2 months in the spring of each year with 750 miner's inches (unknown quantity) of water from Bloody Run Creek.
Mineralization is a placer Au deposit hosted in gravels. For a depth of 60 to 70 feet, the gravel contains practically no Au. From 8 to 10 feet at the bottom is blue gravel and the last foot contains most of the Au. The apparent channel is about 100 feet wide. Local rocks include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Native Gold Formula: Au Description: Placer material. Apparently somewhat argentiferous. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
List of minerals for each chemical element
| Au | Gold | |
|---|---|---|
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10031682 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Foothills-Wallowa 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 #0060570052
