Black Wonder Mine

The Black Wonder Mine is a gold mine located in Calaveras county, California at an elevation of 3,199 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

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.

Site Name

Primary: Black Wonder Mine

Commodity

Primary: Gold
Secondary: Lead
Secondary: Zinc

Location

State: California
County: Calaveras

Land Status

Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.

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: 42 % FE SULFIDES, 9 % PB SULFIDES 1 - 2 % ZN SULFIDE

Materials

Ore: Gold
Ore: Galena
Ore: Sphalerite
Gangue: Quartz

Comments

Comment (Commodity): ABUNDANT SULFIDES,

Comment (Production): ACTIVE INTERMITTENTLY 1889 - 1914 , DUMP MATERIAL TESTED 1954 . PB RECOVERED FROM SULFIDE CONCENTRATES 1919 - 1942 . NO PRODUCTION RECORD FOUND

Comment (Deposit): VEINS, FOUR VEINS WITH MOST PROMINENT BEING CALLED BLACK WONDER AND EUREKA. WALLS OF VEINS ARE HARD SILICEOUS CALAVERAS SLATE AND MICA SCHIST. VEIN AVERAGES 2 FT IN THICKNESS, WELL DEFINED FISSURE VEINS.

Comment (Workings): COMPRISES 2 PATENTED CLAIMS AND OTHER PATENTED LAND VEIN STOPED 800 FT ON STRIKE ABOVE UPPER ADIT. ADIT 900 FT LONG WITH 210 FT SHAFT.

Comment (Geology): GEOL.DESC: FOUR VEINS WITH MOST PROMINENT BEING CALLED BLACK WONDER AND EUREKA. WALLS OF VEINS ARE HARD SILICEOUS CALAVERAS SLATE AND MICA SCHIST. VEIN AVERAGES 2 FT IN THICKNESS, WELL DEFINED FISSURE VEINS

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 139 AND PLB

Reference (Deposit): LOGAN, C.A., 1921 , CALAVERAS COUNTY, 17TH REPT STATE MIN; CALIF. MIN. BUR, P 421

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 244 , 298

Reference (Deposit): TUCKER, W.B., 1915 , CALAVERAS COUNTY 14TH REPT STATE MIN; CALIF MIN BUR. P. 70

Reference (Production): LOGAN, ( 1921 , 1936 ) 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.