Dos Cabezas Placers

The Dos Cabezas Placers is a gold mine located in Cochise county, Arizona.

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: Dos Cabezas Placers

Commodity

Primary: Gold

Location

State: Arizona
County: Cochise
District: Dos Cabezas District

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
Year Last Production: 1947
Discovery Year: 1901
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Mexican Highland

Mineral Deposit Model

Model Name: Placer Au-PGE

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Name: Gravel
Role: Host
Age Type: Host Rock
Age Young: Pleistocene

Analytical Data

Analytical Data: SAMPLING OF GRAVELS TO A DEPTH OF 6 FT ASSAYED $4.08/CY ($35 OZ AU).

Materials

Ore: Gold

Comments

Comment (Commodity): GOLD FOUND IN NEARLY ALL THE CANYONS AROUND DOS CABEZAS.

Comment (Location): LOCATED NORTH AND NORTHEAST OF DOS CABEZAS.

Comment (Development): DISCOVERED IN 1901 AND OPERATED CHIEFLY AS DRY PLACERS UNTIL ABOUT 1947.

Comment (Deposit): ALLUVIUM IN SMALL STREAMS DRAINING AN AREA OF AU (AG-BASE METAL) VEIN DEPOSITS ALONG SOUTHWEST FLANK OF DOS CABEZAS. THE VEINS ARE ASSOCIATED WITH A MAJOR FAULT ZONE. GRAVELS EXTEND TO AT LEAST A DEPTH OF 6 FT AND ARE LOCATED IN GULCHES AND ON PEDIMENTS. THE GOLD IS USUALLY FLAT, RAGGED, AND COARSE. NUGGETS RANGED FROM 1 TO 20 OZ IN SIZE.

Comment (Workings): DRY PLACER USED DRYLAND DREDGE.

References

Reference (Deposit): JOHNSON, M.G., 1972, PLACER GOLD DEPOSITS OF ARIZONA: U.S. GEOLOGICAL SURVEY BULLETIN 1355, 103 P.

Reference (Other Database): CIMRI

Reference (Production): FIRST CUMULATIVE PRODUCTION FIGURE IS FROM WILSON, 1961; THE SECOND IS FROM JOHNSON, 1972.

Reference (Reserve-Resource): ORRIS AND BLISS, 1985.

Reference (Deposit): WILSON, E.D., 1961, ABM BULL. 168, P. 69.

Reference (Deposit): ORRIS, G.J., AND BLISS, J.D., 1985, GEOLOGIC AND GRADE-VOLUME DATA ON 330 GOLD PLACER DEPOSITS: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 85-213, 172 P.

Arizona Gold

"Where to Find Gold in Arizona" 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 Arizona. Read more: Where to Find Gold in Arizona.