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Culbertson Mine, Graniteville, Graniteville Mining District (Eureka Mining District), Nevada County, California, USAi
| Regional Level Types | |
|---|---|
| Culbertson Mine | Mine |
| Graniteville | - not defined - |
| Graniteville Mining District (Eureka Mining District) | Mining District |
| Nevada County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 26' 11'' North , 120° 45' 42'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Washington | 185 (2011) | 9.1km |
| Downieville | 282 (2011) | 14.8km |
| Sierra City | 221 (2011) | 18.1km |
| Pike | 134 (2011) | 20.3km |
| Camptonville | 158 (2011) | 24.7km |
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 | 35km |
A former lode Au occurrence/mine located in sec. 8, T18N, R11E, MDM, 1.9 km (1.2 miles) WSW of Graniteville, in the headwaters area of the E fork of National Gulch, W of Bloomfield-Graniteville Road, on private (patented) land within a National Forest area. MRDS database stated accuracy for this location is 500 meters.
Mineralization is a vein deposit hosted in rocks of the Blue Canyon Formation (slate). The ore body strikes N18W and dips 60E at a thickness of 4.88 meters. The vein (Republic-National) is 1 to 16 feet thick, with an average of 6 to 8 feet. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings include underground openings with a length of 304.8 meters, an overall depth of 79.25 meters and comprised of a shaft, drifts and stopes.
Analytical data results: The ore was said to average $7 to $8 (period values) Au/ton.
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: | 10007623 |
|---|
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 #0060570846
