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Four Hundred Mine (The 400 Mine), Mountain Ranch, Mountain Ranch Mining District, Calaveras County, California, USAi
| Regional Level Types | |
|---|---|
| Four Hundred Mine (The 400 Mine) | Mine |
| Mountain Ranch | Census-designated Place |
| Mountain Ranch Mining District | Mining District |
| Calaveras County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 13' 60'' North , 120° 33' 51'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Mountain Ranch | 1,628 (2011) | 2.1km |
| San Andreas | 2,783 (2011) | 11.0km |
| Fort Jones | 643 (2006) | 12.9km |
| Rail Road Flat | 475 (2015) | 13.0km |
| Murphys | 2,213 (2015) | 13.9km |
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 | 18km |
| Amador County Gem & Mineral Society | Sutter Creek, California | 27km |
A former lode Au mine located in sec. 5, T4N, R13E, MDM, 2.2 km (1.4 miles) WNW of Mountain Ranch, along Murray Creek. Operated about 1914. MRDS database stated accuracy for this location is 500 meters.
Mineralization is a vein deposit hosted in slate and schist. The ore body is 0.61 meter thick. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings include underground openings with an overall depth of 60.96 meters and comprised of a 200 foot deep shaft sunk on the vein. A crosscut adit intersects the shaft at the 65 foot level.
No production record found.
Mineralization is a vein deposit hosted in slate and schist. The ore body is 0.61 meter thick. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings include underground openings with an overall depth of 60.96 meters and comprised of a 200 foot deep shaft sunk on the vein. A crosscut adit intersects the shaft at the 65 foot level.
No production record found.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ 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 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 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10076489 |
|---|
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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