Angelo Mission prospect (Great Western), Mount Patterson, Patterson Mining District, Sweetwater Mts (Sweetwater Range), Mono County, California, USAi
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Latitude & Longitude (WGS84):
38° 26' 46'' North , 119° 17' 55'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Walker | 721 (2011) | 17.3km |
| Bridgeport | 575 (2011) | 22.0km |
| Coleville | 495 (2011) | 22.5km |
| Topaz Lake | 157 (2011) | 35.0km |
| Topaz Ranch Estates | 1,501 (2017) | 36.7km |
Mindat Locality ID:
82991
Long-form identifier:
mindat:1:2:82991:2
GUID (UUID V4):
2b4f7a30-9ab5-45ce-a192-a63a4ff49a13
A Au-Ag prospect located in sec. 13, T7N, R24E, MDM, 1.2 km (3,900 feet) NNE of Mount Patterson (coordinates of record) (N slope of Mount Patterson), on National Forest land. Operated in the 1930's. MRDS database stated accuracy for this location is 10 meters.
Mineralization is a Ag deposit in a quartz vein near a contact within a metasomatized zone. Local rocks include Tertiary intrusive rocks (hypabyssal), unit 1 (Cascades Volcanic Field).
Production information: Total 10,000 to 20,000 ounces of Ag per ton, and probably closer to 20,000 ounces per ton.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Stephanite Formula: Ag5SbS4 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Stephanite | 2.GB.10 | Ag5SbS4 |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Stephanite | Ag5SbS4 |
| Ag | Silver | |
| Ag | ⓘ Stephanite | Ag5SbS4 |
| Sb | Antimony | |
| Sb | ⓘ Stephanite | Ag5SbS4 |
Other Databases
| Link to USGS MRDS: | 10107615 |
|---|
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0060510380
