Empire Mine (Empire vein), Empire Star group (Empire Star Mines Company holdings), Grass Valley, Grass Valley Mining District, Nevada County, California, USAi
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Latitude & Longitude (WGS84):
39° 12' 22'' North , 121° 2' 46'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Grass Valley | 12,944 (2017) | 1.9km |
| Nevada City | 3,152 (2017) | 6.6km |
| Alta Sierra | 6,911 (2011) | 7.2km |
| Rough and Ready | 963 (2011) | 8.2km |
| Penn Valley | 1,621 (2011) | 12.5km |
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 | 2km |
| Sutter Buttes Gem & Mineral Society | Marysville, California | 47km |
A former lode Au-As-Pb-Zn occurrence/mine located in sec. 35, T16N, R8E, MDM, about 2 km (1.2 miles) SE of Grass Valley proper. MRDS database stated accuracy for this location is 1,000 meters.
Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains).
Workings include unspecified underground openings (topo map reflects a shaft symbol).
Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains).
Workings include unspecified underground openings (topo map reflects a shaft symbol).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Altaite Formula: PbTe Description: Occurs on the 5,000 foot level. References: |
| ⓘ Native Arsenic Formula: As Description: Occurs on the 1600 foot level as botryoidal pieces with some free gold. References: |
| ⓘ Native Gold Formula: Au References: |
| ⓘ Scheelite Formula: Ca(WO4) |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| ⓘ | Native Arsenic | 1.CA.05 | As |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Altaite | 2.CD.10 | PbTe |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Scheelite | 7.GA.05 | Ca(WO4) |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Scheelite | Ca(WO4) |
| Ca | Calcium | |
| Ca | ⓘ Scheelite | Ca(WO4) |
| As | Arsenic | |
| As | ⓘ Native Arsenic | As |
| Te | Tellurium | |
| Te | ⓘ Altaite | PbTe |
| W | Tungsten | |
| W | ⓘ Scheelite | Ca(WO4) |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
| Pb | Lead | |
| Pb | ⓘ Altaite | PbTe |
Other Databases
| Link to USGS MRDS: | 10139794 |
|---|
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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Empire Mine, Empire Star group, Grass Valley, Grass Valley Mining District, Nevada County, California, USA