Stevens Group Mines

The Stevens Group Mines is a copper mine located in Greenlee county, Arizona at an elevation of 5,449 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: Stevens Group Mines
Secondary: Stevens Lease
Secondary: Mines=Molinar Alaska, Stella, Brunswick, Stevens-Stonewall Jackson

Commodity

Primary: Copper
Secondary: Silver
Secondary: Gold

Location

State: Arizona
County: Greenlee
District: Copper Mountain 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: Surface/Underground

Ownership

Owner Name: Phelps Dodge Corp., Morenci Branch

Production

Not available

Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1903
Year Last Production: 1920
Discovery Year: 1872
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

Form: IRREGULAR MASSES

Form: IRREGULAR MASSES

Structure

Type: R
Description: Fissure Veins In Limestone And Basal Granite Sequences; And Irregular Bodies On Or Near Contacts Of Intrusive Masses

Type: L
Description: Nne Striking Fault, With 45 Se Dip, Separates Sedimentary Rocks From Precambrian Granite Associated Porphyry Dike Is 200 Ft Thick

Alterations

Alteration Type: L
Alteration Text: Minor

Rocks

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

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

Analytical Data

Analytical Data: 1906 ASSAY VALUES RANGED FROM 13 TO 30% CU

Materials

Ore: Cuprite
Ore: Pyrite
Ore: Chrysocolla
Ore: Chalcopyrite
Ore: Galena
Ore: Dioptase
Ore: Chalcocite

Comments

Comment (Deposit): 39 PATENTED CLAIMS TOTALLING 780 ACRES; CLAIMS INCLUDE THE XIV GROUP AND THOSE LOCATED IN GARFIELD GULCH; ORE SHOOTS OF CHALCOCITE PLUNGE TO NORTH

Comment (Development): OPERATORS INCLUDED SHANNON COPPER CO, ARIZONA COPPER CO LTD, STEVENS FAMILY, STEVENS COPPER MINING CO, CHARLES E STEVENS JR; ORIGINAL STEVENS GROUP CONSISTED OF 15 CLAIMS ON THE WEST SIDE OF CHASE CREEK

Comment (Workings): DEVELOPMENTS INCLUDED SEVERAL TUNNELS

Comment (Geology): LIMESTONE IS LARGELY UNALTERRED IN THIS REGION; ABOVE DESCRIPTION PERTAINS TO STEVENS-STONEWALL JACKSON DEPOSIT AND OTHER STEVENS GROUP DEPOSITS ON WEST SIDE OF CHASE CREEK

Comment (Deposit): SEE ALSO:MOLINAR ALASKA MINE, XIV GROUP, BRUNSWICK MINE; STEVENS MINE IS ALSO A SYNONYM FOR MOLINAR ALASKA MINE ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Comment (Location): ABOVE LOCATION COORDINATES DESCRIBE THE STEVENS-STONEWALL JACKSON MINE; 0.5 MI NW OF THE MOUTH OF GARFIELD GULCH ON THE W SIDE OF CHASE CREEK ; INFO FROM LAND.ST :(1973)

References

Reference (Deposit): STEVENS, H.J., 1909, THE COPPER HANDBOOK, VOL IX, PAGE 1273, STEVENS COPPER CO

Reference (Deposit): WEED, W.H., 1920, THE MINES HANDBOOK, VOL. XIV, PAGE 236, STEVENS COPPER MINING CO

Reference (Deposit): LANGTON, J.M., 1973, ORE GENESIS IN THE MORENCI-METCALF DISTRICT; AMERICAN INSTITUTE OF MINING, METALLURGICAL, AND PETROLEUM ENGINEERS: TRANSACTION, VOL. 254, PAGE 256

Reference (Deposit): ABGMT-USBM FILE DATA

Reference (Deposit): ARIZONA DEPARTMENT OF MINERAL RESOURCES FILE DATA: STEVENS MINE

Reference (Deposit): USGS PP 43, P. 351-352

Reference (Deposit): BLM DISTRICT SHEET 837

Reference (Deposit): USBM FILES, STEVENS GROUP

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.