Defender

The Defender is a gold mine located in Amador 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

Name: Defender  

State:  California

County:  Amador

Elevation:

Commodity: Gold

Lat, Long: 38.43583, -120.56083

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 Defender

Defender MRDS details

Site Name

Primary: Defender


Commodity

Primary: Gold
Tertiary: Zinc
Tertiary: Copper
Tertiary: Iron
Tertiary: Lead


Location

State: California
County: Amador


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

Ore: Pyrite
Ore: Chalcopyrite
Ore: Gold
Ore: Galena
Ore: Sphalerite
Gangue: Quartz


Comments

Comment (Commodity): FREE GOLD AND PYRITE ASSOCIATED WITH MINOR GALENA, CHALCOPYRITE, SPHALERITE ALL IN QUARTZ VEIN.

Comment (Geology): GEOL.DESC: QUARTZ VEIN CUT BY A SERIES OF DIORITE DIKES AVERAGE 4 INCHES TO 2 FT THICK, ONE DIKE AT 200 FT LEVEL 22 FT. THICK WITH NO ORE SOUTH OF THIS DIKE.

Comment (Location): SE 1/4 SW 1/4 , COORDINATES EST.

Comment (Production): LAST ORE PRODUCED ASSAYED $7 - $9/TON.

Comment (Workings): INCLINED SHAFT 480 FT., AT 200 FT. LEVEL DRIFTS 300 FT NORTH, 150 FT SOUTH; MOST ORE PRODUCED BETWEEN SURFACE AND 200 FT LEVEL.


References

Reference (Deposit): CARLSON, D.W. AND CLARK, W.B., 1954 , MINES AND MIN RES. OF AMADOR COUNTY, CAL.: CJMG VOL 50 , P. 178

Reference (Deposit): TUCKER, W.B., 1914 , AMADOR COUNTY: CMB REPT. 14 , P. 27 .

Reference (Production): CARLSON, D.W. AND CLARK W.B., 1954


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.