Magna Mine

The Magna Mine is a copper mine located in Pinal county, Arizona 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

Name: Magna Mine

State:  Arizona

County:  Pinal

Elevation: 4,199 Feet (1,280 Meters)

Commodity: Copper

Lat, Long: 32.72694, -110.47806

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 Magna Mine

Magna Mine MRDS details

Site Name

Primary: Magna Mine
Secondary: Magma Chief
Secondary: Lucky Boy
Secondary: Jewell


Commodity

Primary: Copper
Secondary: Lead
Tertiary: Molybdenum


Location

State: Arizona
County: Pinal
District: Bunker Hill District


Land Status

Land ownership: BLM Administrative Area
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

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1915
Year Last Production: 1958
Discovery Method: Ore-Mineral In Place
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

Not available


Structure

Type: R
Description: Short E-W Trending Faults And Med. Length Ene Faults, Steep Dip

Type: L
Description: Small Faults N 10 W Orientation, Near Breccia


Alterations

Not available


Rocks

Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Paleocene

Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Paleocene

Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Paleocene


Analytical Data

Not available


Materials

Ore: Copper


Comments

Comment (Development): ORIGINALLY DEVELOPED BY JEWELL + CORBETT IN 1915, TAKEN OVER BY MAGMA CHIEF COPPER IN 1920.

Comment (Workings): 300 FT SHAFT, 120 FT TUNNEL TO CONNECT TO SURFACE.

Comment (Geology): DOWNWARD PERCOLATION OF SOLUTIONS THROUGH FRACTURE ZONES MAY HAVE CAUSED BRECCIATION AT TIME OF MINERALIZATION.

Comment (Location): 5 ADITS SHOWN ON RHODES PEAK QUAD. CLAIMS EXTEND NORTH INTO SECTION 14. ; INFO FROM LAND.ST :(1979)

Comment (Production): PRODUCTION PROBABLY INCLUDED UNDER MAGMA CHIEF ON ABGMT-USBM FILE DATA

Comment (Deposit): 6 INCH VEIN ON 300 FT LEVEL


References

Reference (Deposit): USBM FILE DATA

Reference (Deposit): ARIZONA BUREAU OF MINES BULLETIN 158, P 56-65

Reference (Deposit): KUHN, T. H. 1941. PIPE DEPOSITS OF THE COPPER CREEK AREA. ECONOMIC GEOLOGY V 36,P. 512


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