Commodore

The Commodore is a gold mine located in Calaveras county, California at an elevation of 810 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: Commodore  

State:  California

County:  Calaveras

Elevation: 810 Feet (247 Meters)

Commodity: Gold

Lat, Long: 38.21, -120.69778

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 Commodore

Commodore MRDS details

Site Name

Primary: Commodore
Secondary: Golden Gate


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

Analytical Data: ORE AVERAGED $4 PER TON AU (MILL TEST 1900)


Materials

Ore: Dolomite
Ore: Gold
Gangue: Quartz
Gangue: Serpentine
Gangue: Ankerite


Comments

Comment (Location): UTM ACC SW 1/4 SEC

Comment (Workings): DEVELOPED BY 300 FT SHAFT WITH SEVERAL LEVELS, DRIFTS AND CROSS CUTS WHICH INCLUDE 450 FT ADIT, 80 , 200 & 300 FT LEVELS WITH WORKINGS SHAFT VERTICLE FOR FIRST 80 FT, REMAINDER IS 75 DEG DIP

Comment (Production): WORKED 1899 - OCT. 1900 , JULY 1933 - SEPT 1934 $7 PER TON ORE ENCOUNTED TO NORTH AT 300 FT LEVEL NO PRODUCTION RECORD FOUND

Comment (Deposit): VEIN, COMMODORE E VEIN IS REPORTED AS A QTZ DIORITE INTRUSIVE, A SECTION FROM W TO E; AMPHIBOLITE SCHIST, ANKERITE A QUARTZ VEIN, WIDE BODY OF ANKERITE, SERPENTINE, A MINERALIZED QUARTZ DIORITE INTRUSION WHICH IS COMMODORE VEIN, SERPENTINE AND DIABASE. ON HANGING WALL SIDE OF QTZ-DIORITE IS A 4 FT ZONE OF CRUSHED MATERIAL FROM WHICH RHOMBIC XTALS OF DOLOMITE CONTAINED VISIBLE PARTICLES OF GOLD

Comment (Geology): COMMODORE EAST VEIN IS REPORTED AS A QTZ DIORITE INTRUSIVE, SECTION FROM W TO E: AMPHIBOLITE SCHIST, ANKERITE, A QUARTZ VEIN; WIDE BODY OF ANKERITE; SERPENTINE A MINERALIZED QUARTZ DIORITE INTRUSION WHICH IS COMMODORE VEIN; SERPENTINE AND DIABASE. ON HANGING WALL SIDE OF QTZ-DIORITE IS A 4 FT ZONE OF CRUSHED MATERIAL FROM WHICH RHOMBIC XTALS OF DOLOMITE CONTAIDED VISIBLE GOLD PARTICLES


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 51 , 145 , AND PL B

Reference (Deposit): LOGAN, C. A., 1934 , THE MOTHER LODE GOLD BELT OF CALIF: CALIF DIV. OF MINES, BULL. 108 , P 137 - 138

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 243 & 301

Reference (Production): CLARK ( 1962 )


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.