Copper Duke Mine

The Copper Duke Mine is a copper mine located in Pima 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: Copper Duke Mine  

State:  Arizona

County:  Pima

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

Commodity: Copper

Lat, Long: 31.86972, -110.79667

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 Copper Duke Mine

Copper Duke Mine MRDS details

Site Name

Primary: Copper Duke Mine


Commodity

Primary: Copper
Secondary: Silver


Location

State: Arizona
County: Pima
District: Helvetia-Rosemont 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

Year: 1904
Material type: ORE CU
Description: Ap_Grade: ^35% Cu, Some Ag


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1900
Discovery Method: 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

Type: R
Description: Homoclinal ; Reg.Trends: Tilting And Broad Open Folds In S. And Extensive Faulting In N.

Type: L
Description: Thrust And Normal Faulting - Fracture Zones.


Alterations

Not available


Rocks

Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Cambrian

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

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


Analytical Data

Not available


Materials

Ore: Malachite


Comments

Comment (Workings): DISTRICT IS POSSIBLY NEW PORPH. COPPER DEPOSIT.

Comment (Geology): ORE GEN IN LIME-SILICATE ZONES CONTROLLED BY FAULTS AND FRACTURES ; GEOL.DESC: AGE OF MINERALIZATION BELIEVED TO BE THAT OF THE QUARTZ LATITE INTRUSIVE OF DREWES -1971. ; REG.COM: STRUCTURE IN DISTRICT IS THRUST FAULTING - HIGH ANGLE NORMAL FAULTING AND FOLDING.

Comment (Deposit): THE STRATIGRAPHIC UNITS USED ARE THOSE OF H. DREWES -1971 USGS MAP I-613 ; INFO.SRC : 1 PUB LIT

Comment (Commodity): PROBABLY OXIDIZED POCKET

Comment (Development): ANACONDA REPORTS ROSEMONT-HELVETIA INTRUSIVE QUARTZ LATITE AS POTENTIAL PORPH. COPPER DEPOSIT IN 1971.

Comment (Deposit): SCHRADER-1915-SHOWS DEPOSIT IN LIMESTONE. DREWES-1971-SCHRADER'S LOCATION IN GRANODIORITE NEAR BOLSA QTZITE.


References

Reference (Deposit): 1971 DIREXPL ANACONDA-POSSIBLE NEW PORPH. COPPER DEPOSIT.

Reference (Deposit): 1971 GEOLMAP H. DREWES U.S.G.S. MAP I-613

Reference (Production): SCHRADER-1915

Reference (Deposit): SCHRADER, F. C., 1915 USGS BULL. 582

Reference (Deposit): ARIZONA BUREAU OF MINES 1971 FIELDNOTES V. 1 NO. 2

Reference (Deposit): DREWES, H. 1971 USGS MAP I-613 (SAHUARITA QUAD)

Reference (Deposit): 1909 RECON F. C. SCHRADER U.S.G.S. BULL. 582


Arizona Gold

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"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.