Ajo Placers

The Ajo Placers is a gold mine located in Pima county, Arizona at an elevation of 1,801 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

Name: Ajo Placers

State:  Arizona

County:  Pima

Elevation: 1,801 Feet (549 Meters)

Commodity: Gold

Lat, Long: 32.35861, -112.85444

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 Ajo Placers

Ajo Placers MRDS details

Site Name

Primary: Ajo Placers


Commodity

Primary: Gold


Location

State: Arizona
County: Pima
District: Ajo District


Land Status

Land ownership: Private
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: Producer
Deposit Type: Placer
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: Sonoran Desert


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Holocene

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Paleocene


Analytical Data

Not available


Materials

Ore: Gold


Comments

Comment (Production): GOLD WAS RECOVERED WHEN NEW CORNELIA COPPER MINE WAS CLOSED. NO PLACER GOLD HAS BEEN RECOVERED SINCE.

Comment (Location): ADJACENT TO THE NEW CORNELIA MINE, CORNELIA ARROYO.


References

Reference (Deposit): JOHNSON, M. G., 1972 , PLACER GOLD DEPOSITS OF ARIZONA: USGS BULLETIN 1355 , P. 43

Reference (Production): USGS BULLETIN 1355 , P. 43 .


Arizona Gold

Where to Find Gold in Arizona

"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.