German Ridge and Jupiter Mines, Dogtown, Calaveritas Mining District, East Belt, Calaveras County, California, USAi
| Regional Level Types | |
|---|---|
| German Ridge and Jupiter Mines | Group of Mines |
| Dogtown | - not defined - |
| Calaveritas Mining District | Mining District |
| East Belt | - not defined - |
| Calaveras County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 6' 37'' North , 120° 32' 19'' West
Latitude & Longitude (decimal):
Type:
Group of Mines
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Angels Camp | 2,677 (2012) | 4.7km |
| Vallecito | 442 (2011) | 6.1km |
| Murphys | 2,213 (2015) | 7.4km |
| Mountain Ranch | 1,628 (2011) | 13.1km |
| Forest Meadows | 1,249 (2015) | 13.2km |
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 | 39km |
Mindat Locality ID:
75250
Long-form identifier:
mindat:1:2:75250:4
GUID (UUID V4):
52e12a71-0a1f-48bc-81bd-a0ef15f17354
A former lode Au mine located in the SW¼ sec. 15 and in the SE¼ sec. 16, T3N, R13E, MDM, about 3.65 km SE of Dogtown, on the E slope of German Ridge and W of the Kiefer Reservoir (5½ miles road miles NE of Angels Camp). Property was 82 acres. Originally active prior to 1889. Intermittently active to the 1920's and during the period 1931 to 1934. MRDS database stated accuracy for this location is 1,000 meters.
Mineralization is a vein deposit hosted in slate and porphyry. The ore body strikes N47W and dips N70E at a thickness of 3.05 meters. Controls for ore emplacement involved quartz next to the slate footwall. The ore occurrs in rich pockets. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada) and/or pre-Cenozoic metasedimentary and metavolcanic rocks undivided.
Workings include underground openings with an overall depth of 42.67 meters and comprised of a 140 foot shaft with levels at 55 and 100 feet, and drifts up to 150 feet to the NW & SE.
The vein ranges from 2 to 10 feet in thickness. The dip was reported to steepen below the 100 foot level. The footwall is slate and the hanging wall is porphyry. The schist is interlaced with veinlets of quartz.
Production data are found in: Clark, Wm. B. & P.A. Lydon (1962).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
Other Databases
| Link to USGS MRDS: | 10029052 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0060091356
