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Herkimer Mine, Deadwood, Poker Flat Mining District (Table Rock Mining District), Sierra County, California, USAi
| Regional Level Types | |
|---|---|
| Herkimer Mine | Mine |
| Deadwood | - not defined - |
| Poker Flat Mining District (Table Rock Mining District) | Mining District |
| Sierra County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 39' 37'' North , 120° 50' 31'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Downieville | 282 (2011) | 11.3km |
| Plumas Eureka (historical) | 339 (2011) | 15.9km |
| Sierra City | 221 (2011) | 20.7km |
| Plumas Eureka | 339 (2017) | 21.8km |
| Graeagle | 737 (2011) | 22.4km |
A former placer Au occurrence/mine located in sec. 22, T21N, R10E, MDM, 2.1 km (1.3 miles) SSE of Deadwood, S of Democrat Peak and W of the S end of Bunker Hill, on private (patented) land within a National Forest wilderness area (Roadless Area Review & Evaluation (RARE II West Yuba II Area). MRDS database stated accuracy for this location is 10 meters. Clark lists this mine as the Herkimer-Bunker Hill although the 2 mines are over 1 km apart.
Mineralization is a gold-bearing Tertiary gravel channel deposit. Local rocks include Tertiary pyroclastic and volcanic mudflow deposits, unit 9 (Cascade Range).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Native Gold Formula: Au Description: Placer material. |
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: | 10077685 |
|---|
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 #0060910350
