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
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.
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" 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.
