Osceola Mine, Rough and Ready, Rough-and-Ready Mining District, Nevada County, California, USAi
| Regional Level Types | |
|---|---|
| Osceola Mine | Mine |
| Rough and Ready | - not defined - |
| Rough-and-Ready Mining District | Mining District |
| Nevada County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 12' 55'' North , 121° 7' 44'' West
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Rough and Ready | 963 (2011) | 1.8km |
| Penn Valley | 1,621 (2011) | 5.8km |
| Grass Valley | 12,944 (2017) | 5.9km |
| Lake Wildwood | 4,991 (2011) | 6.5km |
| Alta Sierra | 6,911 (2011) | 10.4km |
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 | 6km |
| Sutter Buttes Gem & Mineral Society | Marysville, California | 41km |
| Feather River Lapidary & Mineral Society | Oroville, California | 50km |
Mindat Locality ID:
84545
Long-form identifier:
mindat:1:2:84545:1
GUID (UUID V4):
5f1cc211-fb92-4571-8361-2ec49f695136
A former lode Au-Ag-Pb-Cu occurrence/mine located in secs. 25, T16N, R7E, and in sec. 30, T16N, R8E, MDM, 1.8 km (1.1 miles) SSE of Rough and Ready, along Osceola Ravine (4 miles W of Grass Valley; S of Squirrel Creek). The property comprises 20 acres. MRDS database stated accuracy for this location is 100 meters.
Mineralization is hosted in amphibolite and gabbro. The ore body strikes N70W and dips 60N at a thickness of 1.22 meters. Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains).
Workings include surface and underground openings with a length of 140.21 meters and an overall depth of 45.72 meters and comprised of a tunnel, shallow shafts and open cuts.
Analytical data results: Some ore assayed to $30 (period values)/ton.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| β Chalcopyrite Formula: CuFeS2 |
| β Galena Formula: PbS |
| β Gold Formula: Au |
| β Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| β | Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| β | Chalcopyrite | 2.CB.10a | CuFeS2 |
| β | Galena | 2.CD.10 | PbS |
| Group 4 - Oxides and Hydroxides | |||
| β | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | β Quartz | SiO2 |
| Si | Silicon | |
| Si | β Quartz | SiO2 |
| S | Sulfur | |
| S | β Chalcopyrite | CuFeS2 |
| S | β Galena | PbS |
| Fe | Iron | |
| Fe | β Chalcopyrite | CuFeS2 |
| Cu | Copper | |
| Cu | β Chalcopyrite | CuFeS2 |
| Au | Gold | |
| Au | β Gold | Au |
| Pb | Lead | |
| Pb | β Galena | PbS |
Other Databases
| Link to USGS MRDS: | 10086475 |
|---|
Other Regions, Features and Areas containing this locality
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060570042
