Denn Mine

The Denn Mine is a copper, lead, and zinc mine located in Cochise county, Arizona at an elevation of 5,059 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: Denn Mine  

State:  Arizona

County:  Cochise

Elevation: 5,059 Feet (1,542 Meters)

Commodity: Copper, Lead, Zinc

Lat, Long: 31.43056, -109.88722

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 Denn Mine

Denn Mine MRDS details

Site Name

Primary: Denn Mine


Commodity

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


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: Phelps Dodge Corp.
Years: 1973 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1909
Year Last Production: 1973
Discovery Year: 1905
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, PIPE-LIKE


Structure

Type: R
Description: Pre-Mineralization Faulting And Tilting

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
Age Young: Late Jurassic


Analytical Data

Not available


Materials

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


Comments

Comment (Geology): ORE BODIES FOUND IN A WIDE RANGE OF PALEOZOIC LIMESTONES, BUT MAINLY IN THE MARTIN AND ESCABROSA FORMATIONS.

Comment (Development): PREVIOUS OPERATORS: DENN - ARIZONA COPPER CO., SHATTUCK - DENN MNG. CO.

Comment (Deposit): COPPER CARBONATES, OXIDES, AND SULFIDES WITH SOME AREAS OF LEAD-ZINC MINERALIZATION IN A WIDE RANGE OF PALEOZOIC LIMESTONES ALONG THE DIVIDEND FAULT AND CLOSE TO THE GRANITIC PORPHYRY STOCK. MINERALIZED BODIES ARE IRREGULAR, OFTEN PIPELIKE, REPLACEMENT BODIES.

Comment (Workings): SHAFT WORKINGS.


References

Reference (Deposit): KEITH, S.B., 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P. 86.

Reference (Deposit): COOPER, 1962, USGS MAP MR-22.

Reference (Deposit): SAWYER, M.B., GURMENDI, A.C., DALEY, M.R., AND HOWELL, S.B., 1992, PRINCIPAL DEPOSITS OF STRATEGIC AND CRITICAL MINERALS IN ARIZONA: UNITED STATS BUREAU OF MINES SPECIAL PUBLICATION, 334 P.

Reference (Other Database): CIMRI

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


Arizona Gold

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