Spencer

The Spencer is a gold mine located in Siskiyou county, California at an elevation of 4,199 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: Spencer

Commodity

Primary: Gold
Secondary: Lead
Secondary: Copper
Secondary: Arsenic

Location

State: California
County: Siskiyou

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

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: Pacific Border Province
Physiographic Section: Klamath Mountains

Mineral Deposit Model

Not available

Orebody

Form: LENTICULAR MASSES

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Analytical Data: ORE CONTAINS ABOUT 3% SULFIDES, WHICH, WHEN CLEANED, ASSAYED $360/TON

Materials

Gangue: Quartz

Comments

Comment (Commodity): ORE IS REMARKABLY HIGH-GRADE, THOUGH LITTLE SPECIMEN ROCK OCCURS

Comment (Location): UTM ACC. W 1/2 NW 1/4

Comment (Production): MILL RETURNS RANGE FROM $20 - $300/TON. NO SPECIFIC PRODUCTION RECORD FOUND

Comment (Deposit): VEIN, FEW IN. - SEVERAL FEET THICK. LENGTH OF ORE SHOOT MINED, 270 FT.

Comment (Workings): INCLINE, 300 FT. DEEP, DRIFT AT BOTTOM 180 FT. TO WEST. BLOCK HERE STOPED TO SURFACE. ADIT WITH 30 FT. OF BACKS

Comment (Deposit): 8 CLAIMS ; INFO.SRC : 1 PUB LIT

References

Reference (Deposit): CRAWFORD, J.J., 1896, THIRTEENTH REPORT OF THE STATE MINERALOGIST: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 13, P. 427

Reference (Deposit): SOUTHERN PACIFIC COMPANY, 1964, MINERALS FOR INDUSTRY, NORTHERN CALIFORNIA, V 2, P. 147

Reference (Deposit): DUNN, R.L., 1892, SISKIYOU COUNTY: REPORT OF THE STATE MINERALOGIST, V. 11, P. 445

Reference (Production): DUNN (1892)

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.