Silver Moon Mine (Porphyry Point), Nimshew, Magalia Mining District, Butte County, California, USAi
| Regional Level Types | |
|---|---|
| Silver Moon Mine (Porphyry Point) | Mine |
| Nimshew | Unincorporated Community |
| Magalia Mining District | Mining District |
| Butte County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 51' 4'' North , 121° 34' 18'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Magalia | 11,310 (2011) | 4.4km |
| Stirling City | 295 (2011) | 7.3km |
| Forest Ranch | 1,184 (2011) | 9.3km |
| Paradise | 26,476 (2017) | 11.0km |
| Concow | 710 (2011) | 14.0km |
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 |
|---|---|---|
| Paradise Gem & Mineral Club | Paradise, California | 11km |
| Feather River Lapidary & Mineral Society | Oroville, California | 37km |
A former lode Au-Cu-Mn mine located in the S½NW¼ sec. 18, T23N, R4E, MDM, 4.1 km (2.6 miles) ENE of Nimshew, just SE of Paradise Lake, along Little Butte Creek (0.5 mile ESE of Magalia Camp), on National Forest land and/or private land. Owned and operated by H. Bartram, Coutolanc, California. MRDS database stated accuracy for this location is 500 meters.
Mineralization is hosted in dolomite and schist. The ore body strikes N & NW and dips E. The host rock is described as decomposed. Local rocks include Tertiary pyroclastic and volcanic mudflow deposits, unit 9 (Cascade Range).
Workings include surface openings comprised of shallow cuts on veins in dike.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ 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 2 - Sulphides and Sulfosalts | |||
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| 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 |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10028455 |
|---|
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 ID #0060070136
