German Ridge and Jupiter Mines

The German Ridge and Jupiter Mines is a gold mine located in Calaveras county, California at an elevation of 1,821 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Name: German Ridge and Jupiter Mines

State:  California

County:  Calaveras

Elevation: 1,821 Feet (555 Meters)

Commodity: Gold

Lat, Long: 38.11028, -120.53861

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.


Satelite image of the German Ridge and Jupiter Mines

German Ridge and Jupiter Mines MRDS details

Site Name

Primary: German Ridge and Jupiter Mines


Commodity

Primary: Gold


Location

State: California
County: Calaveras


Land Status

Not available


Holdings

Not available


Workings

Type: Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Gangue: Quartz


Comments

Comment (Commodity): ORE OCCURRED IN RICH POCKETS, MAINLY IN QTZ NEXT TO SLATE FOOTWALL

Comment (Production): ORIGINALLY ACTIVE PRIOR 1889 , INTERMITTENTLY ACTIVE TO 1920'S, 1931 - 1934

Comment (Deposit): VEIN, RANGES FROM 2 TO 10 FT IN THICKNESS, DIP SAID TO STEEPEN BELOW 100 FT LEVEL. FOOTWALL IS SLATE, HANGING WALL PORPHYRY, THE SCHIST IS INTERLACED WITH VEINLETS OF QTZ.

Comment (Workings): DEVELOPED BY 140 FT SHAFT WITH LEVELS AT 55 AND 100 FT, DRIFTS UP TO 150 FT TO NW & SE

Comment (Location): UTM ACC SW 1/4 SEC 15, SE 1/4 SEC 16

Comment (Deposit): 82 ACRES. ; INFO.SRC : 1 PUB LIT


References

Reference (Deposit): CLARK, W. B., LYDON, P. A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.; COUNTY REPORT 2 ; CALIF. DIV. OF MINES AND GEOLOGY, P. 55 , 152 AND PL 3 .

Reference (Production): CLARK ( 1962 )

Reference (Deposit): LOGAN, C. A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 32 , NO. 3 ; DIV. OF MINES, P. 259 - 60 AND 305 .


California Gold

Where to Find Gold in California

"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more: Where to Find Gold in California.