Irish Mag Shaft

The Irish Mag Shaft is a copper mine located in Cochise county, Arizona at an elevation of 5,801 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: Irish Mag Shaft  

State:  Arizona

County:  Cochise

Elevation: 5,801 Feet (1,768 Meters)

Commodity: Copper

Lat, Long: 31.43139, -109.90944

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 Irish Mag Shaft

Irish Mag Shaft MRDS details

Site Name

Primary: Irish Mag Shaft
Secondary: Calumet and Arizona Mine


Commodity

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


Location

State: Arizona
County: Cochise
District: Warren 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

Type: Underground


Ownership

Owner Name: Calumet And Arizona Mng. Co. , Lake Superior And W Stern Dev. Co. Phelps Dodge Corp.(19
Years: 1902 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1902
Year Last Production: 1931
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: L


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

Type: R
Description: Pre-Mineralization Tilting Common, Pre-Mineralization Faulting

Type: L
Description: Main Fault Directions, N10w To N40e, S30w To N50w, Pre-Mineralization


Alterations

Alteration Type: L
Alteration Text: Gossan With Mn And Fe Oxides Induced By Hydrothermal Metamorphism


Rocks

Name: Granite
Role: Associated
Age Type: Associated Rock Unit
Age in Years: 170.500000+-7.500000
Age Young: Jurassic

Name: Granite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Middle Jurassic


Analytical Data

Not available


Materials

Ore: Chalcopyrite
Ore: Anglesite
Ore: Gold
Ore: Chalcocite
Ore: Bornite
Ore: Malachite
Ore: Silver
Gangue: Pyrite
Gangue: Quartz


Comments

Comment (Production): PRODUCTION INCLUDED UNDER CALUMET AND ARIZONA IN USBM-ABGMT FILE DATA

Comment (Development): UNDERGROUND MINE MAINLEY WITHIN THE BOUNDS OF THE IRISH MAG CLAIM (1905), OPERATED THROUGH THE IRISH MAG SHAFT, FIRST MINE OF THE CALUMET AND ARIZONA MNG. CO.

Comment (Deposit): PARTLY OXIDIZED COPPER AND MINOR LEAD-ZINC MINERALIZATION, ASSOCIATED WITH STRONG FRACTURING AND FAULTING IN UNALTERED DEVONIAN AND CAMBRIAN LIMESTONES

Comment (Workings): ACTIVE STOPING STARTED IN NOV. 1902, SHAFT WAS STARTED IN NOV. 1900. IN 1929 THE SHAFT HAD 10 LEVELS, THE 750, 850, 950, AND 1050 LEVELS WERE CONNECTED WITH THE SPRAY SHAFT OF THE COPPER QUEEN, ALSO HAD 4 COMPARTMENTS

Comment (Deposit): FIRST CALUMET AND ARIZONA MINE. OTHER SHAFT MINES OWNED BY CALUMET AND ARIZONA, AND ALSO CALLED CALUMET AND ARIZONA MINE WERE BRIGGS, COLE, JUNCTION, OLIVER POWELL AND HOATSON. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Comment (Location): INFO FROM LAND.ST :(1979)


References

Reference (Deposit): RANSOME, F.L., 1904A, U.S.G.S. P.P. #21, P.111-112

Reference (Deposit): USBM-ABGMT FILE DATA

Reference (Deposit): ABGMT CLIPPINGS FILE DATA

Reference (Deposit): ARIZ BUR MINES BULL 187, P. 88


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.