Sheridan Mine, Bear Mountain, West Belt, Calaveras County, California, USAi
| Regional Level Types | |
|---|---|
| Sheridan Mine | Mine |
| Bear Mountain | Mountain |
| West Belt | - not defined - |
| Calaveras County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 1' 9'' North , 120° 32' 33'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Angels Camp | 2,677 (2012) | 5.5km |
| Tuttletown | 668 (2011) | 7.9km |
| Copperopolis | 3,671 (2011) | 9.7km |
| Vallecito | 442 (2011) | 9.9km |
| Columbia | 2,297 (2017) | 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 |
|---|---|---|
| Calaveras Gem & Mineral Society | Angels Camp, California | 5km |
| Amador County Gem & Mineral Society | Sutter Creek, California | 47km |
Mindat Locality ID:
75896
Long-form identifier:
mindat:1:2:75896:0
GUID (UUID V4):
355484fe-6a26-418c-abf1-db5dc60b6ac0
A former lode Au-Cu mine located in sec. 16, T2N, R13E, MDM, about 3.35 km E of Bear Mountain (5 miles SW of Columbia). MRDS database stated accuracy for this location is 5,000 (sic) meters.
Mineralization is a vein deposit hosted in slate. The ore body is pinch & swell in form at a thickness of 3.05 meters. The vein is 2 to 10 feet thick, which strikes out in black slate in many veinlets. The quartz is splintery and stained by iron oxides and azurite. Local rocks include Jurassic marine rocks, unit 1 (Western Sierra Nevada and Western Klamath Mountains).
Workings include underground openings comprised of a 100 foot main adit.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Azurite Formula: Cu3(CO3)2(OH)2 Description: Occurs as stains on quartz. |
| ⓘ Gold Formula: Au |
| ⓘ Quartz Formula: SiO2 Description: Splintery material stained by Fe oxides and azurite. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Gold | 1.AA.05 | Au |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Azurite | 5.BA.05 | Cu3(CO3)2(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| C | Carbon | |
| C | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| O | Oxygen | |
| O | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Cu | Copper | |
| Cu | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| Au | Gold | |
| Au | ⓘ Gold | Au |
Other Databases
| Link to USGS MRDS: | 10102701 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Calaveras-Baker DomainDomain
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References
