The Joseph Skinner is a gold mine located in El Dorado county, California.
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
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Joseph Skinner MRDS details
Site Name
Primary: Joseph Skinner
Secondary: Fisk
Secondary: Porphyry
Commodity
Primary: Gold
Location
State: California
County: El Dorado
Land Status
Not available
Holdings
Not available
Workings
Not available
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
Type: L
Description: Regional Dip Is Nearly Verticle Or Steeply W
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Gangue: Quartz
Comments
Comment (Deposit): VEIN, SEAM DEPOSIT, POCKETS. THE VEIN STRIKES N. AND S., DIPS W., TURNING OVER LATER TO THE E., BETWEEN SERPENTINE ON THE WEST AND BLACK GRAPHITIC SLATE ON THE EAST. ABOUT 70 FEET E. OF THE VEIN IS A BELT, 100 FEET WIDE, OF SILICIOUS SLATE AND PORPHYRY, CARRYING TWO SEAMS OF QUARTZ, ON ONE OF WHICH POCKETS OF GOLD ARE ENCOUNTERED.
Comment (Workings): ORIGINALLY WORKED BY HYDRAWLICKING THEN BY 232 FT. ADIT AND DRIFTS NUMEROUS OTHER ADITS AND DRIFTS.
Comment (Geology): SEAM DEPOSIT IN DIKE ROCK AND MARIPOSA SLATE.
Comment (Commodity): ORE IN THIN QUARTZ SEAMS AND POCKETS SOME ORE PRODUCED ORE OF $100 TO THE PAN WITH 25 TO 40 OZ. PIECES.
Comment (Production): ACTIVE 1896 - 98 , 1901 - 03 AND AROUND 1932 .
References
Reference (Deposit): LOGAN, C. A., 1935 , MOTHER LODE GOLD BELT OF CALIF.: CALIF. DIV. OF MINES BULL. 108 , PG. 28 , 45 .
Reference (Deposit): LOGAN, C. A., 1938 , MIN. RESOURCES OF EL DORADO CO.: CALIF. JOUR. OF MINES AND GEOL., VOL. 34 , NO. 3 , PG. 263 .
Reference (Production): CLARK ( 1956 ), LOGAN ( 1935 )
Reference (Deposit): CLARK, W. B., AND CARLSON, D. W., 1956 , MINES AND MINERAL RESOURCES OF EL DORADO CO., CALIF.: CALIF. JOUR. OF MINES AND GEOL., VOL. 52 , NO. 4 , PG. 571 .
Reference (Deposit): CRAWFORD, J. J., 1896 , EL DORADO COUNTY; CALIF. MIN. BUR. 13TH REPT. STATE MINERALOGIST, P. 140 .
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.