Alto Mine

The Alto Mine is a copper, lead, zinc, and silver mine located in Cochise county, Arizona at an elevation of 7,500 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: Alto Mine
Secondary: Elizabeth
Secondary: Hamilton
Secondary: Alto Mng
Secondary: Mllng
Secondary: And Smltng Co.

Commodity

Primary: Copper
Primary: Lead
Primary: Zinc
Primary: Silver
Secondary: Gold

Location

State: Arizona
County: Cochise
District: Hartford District

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

Owner Name: Alto Mining, Milling, And Smelting Co.

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
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

Not available

Orebody

Form: IRREGULAR

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: Partially Oxidized Ores.

Rocks

Name: Volcanic Rock (Aphanitic)
Role: Associated
Age Type: Host Rock
Age Young: Late Permian

Name: Volcanic Rock (Aphanitic)
Role: Associated
Age Type: Associated Rock
Age Young: Late Jurassic

Analytical Data

Not available

Materials

Ore: Lead
Ore: Gold
Ore: Silver
Ore: Copper

Comments

Comment (Production): IRREGULAR, MINOR PRODUCTION IN 1921-1924.

Comment (Deposit): ORE IN EXOTIC BLOCKS OF LIMESTONE ALONG A FAULT ZONE IN VOLCANICS.

Comment (Workings): 3 TUNNELS AND 2 SHAFTS

Comment (Location): NW 1/4 SEC 11 UTM EST.

References

Reference (Deposit): KEITH, B S, 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P 64

Reference (Production): KEITH, 1973, ARIZ BUR OF MINES BULL 187.

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.