Alpine Mine, Calaveritas, Calaveritas Mining District, East Belt, Calaveras County, California, USAi
| Regional Level Types | |
|---|---|
| Alpine Mine | Mine |
| Calaveritas | Unincorporated Community |
| Calaveritas Mining District | Mining District |
| East Belt | - not defined - |
| Calaveras County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 10' 51'' North , 120° 33' 24'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Mountain Ranch | 1,628 (2011) | 5.4km |
| Murphys | 2,213 (2015) | 9.6km |
| San Andreas | 2,783 (2011) | 10.9km |
| Vallecito | 442 (2011) | 12.4km |
| Angels Camp | 2,677 (2012) | 12.6km |
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 | 13km |
| Amador County Gem & Mineral Society | Sutter Creek, California | 32km |
A former Au-Zn-Pb mine located in secs. 20 & 21, T4N, R13E, MDM, about 5 km ENE of Calaveritas (in Old Gulch, 3 miles SW of Mountain Ranch). Property consisted of an unpatented claim. Operated during the period 1896 to 1901. MRDS database stated accuracy for this location is 500 meters.
Mineralization is a vein deposit. The ore body strikes N68W and dips 80NE at a thickness of 2.13 meters. The vein is 2 feet to 7 feet thick with black slate on the hanging wall and mica schist on the footwall. The vein is comprised of stratified/banded quartz with pyrite, galena and sphalerite. A thin dike, heavy with sulfides, accompanies the vein. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings include underground openings with a length of 73.15 meters and an overall depth of 39.62 meters, and comprised of a 90 foot and a 150 foot drift adits.
Yielded ore up to $125 (period values)/ton Au in grade.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Galena Formula: PbS |
| ⓘ Gold Formula: Au |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Sphalerite Formula: ZnS |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| 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 | ⓘ Galena | PbS |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Sphalerite | ZnS |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| Au | Gold | |
| Au | ⓘ Gold | Au |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Databases
| Link to USGS MRDS: | 10102742 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Shoofly-Olds Ferry DomainDomain
- Sierra Nevada BatholithVolcanic Arc
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