Copper Bar Prospect.

The Copper Bar Prospect. is a copper mine located in Graham county, Arizona at an elevation of 4,951 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

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.

Site Name

Primary: Copper Bar Prospect.
Secondary: Royal Tinto Mining and Smelting Co Group.

Commodity

Primary: Copper
Secondary: Silver
Secondary: Gold
Tertiary: Iron

Location

State: Arizona
County: Graham
District: Aravaipa District

Land Status

Land ownership: National Forest
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

Year: 1902
Material type: ORE CU
Description: Ap_Grade: ^29.7 % Cu

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1902
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: Block Faulting Trending Nnw. ; Reg.Trends: Minor Pre-Cretaceous E And Ne Trending Folds And Major Post-Cretaceous Nnw Trending Faults.

Alterations

Not available

Rocks

Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous

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

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

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

Analytical Data

Not available

Materials

Ore: Chalcocite
Gangue: Pyrite
Gangue: Specularite

Comments

Comment (Production): 1902 15 TONS OF ORE 29.5 PCT. CU SEVERAL DOLLARS IN AU AND AG WERE REPORTED FROM COPPER BAR AND SAM JONES PROSPECTS.

Comment (Development): LAST PRODUCTION 1902.

Comment (Geology): GEOL.DESC: MINERALIZATION IS IN BRECCIATED RHYOLITE AND SCHIST CEMENTED BY SPECULARITE.

References

Reference (Deposit): USGS PP 461

Reference (Deposit): USGS BULL 763

Reference (Deposit): 1925 GEOLMAP ROSS, C.P. BULL. 763.

Reference (Deposit): 1964 GEOLMAP SIMONS, F.S. PROF. PAPER 461.

Reference (Production): SIMONS 1964.

Arizona Gold

"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.