Brunswick Mine

The Brunswick Mine is a copper mine located in Greenlee county, Arizona at an elevation of 4,902 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: Brunswick Mine  

State:  Arizona

County:  Greenlee

Elevation: 4,902 Feet (1,494 Meters)

Primary Mineral: Copper

Lat, Long: 33.13306, -109.36500

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 Brunswick Mine

Brunswick Mine MRDS details

Site Name

Primary: Brunswick Mine
Secondary: Stevens Lease
Secondary: Stevens Group Mine


Commodity

Primary: Copper


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: Underground


Ownership

Owner Name: Phelps Dodge Corp., Morenci Branch )
Years: 1921 -

Owner Name: Harles E Stevens Jr
Years: 1957 - 1970


Production

Year: 1905
Time Period: 1900 - 1905
Material type: ORE-CU AVG
Description: Cp_Grade: ^30 % Cu


Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Discovery Year: 1875
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, PODS


Structure

Type: R
Description: Normal Faulting Confined To Pre-Tertiary Rocks, With Vertical Displacement Of 2000 Ft

Type: L
Description: Diabase Dike Intrudes Graite And Is Step-Faulted To East; Main Ore Deposits Are Confined To 20ne Of Crushed Granite Between Country Rock And Diabase Dike


Alterations

Alteration Type: L
Alteration Text: Minor


Rocks

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

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


Analytical Data

Not available


Materials

Ore: Chalcopyrite
Ore: Chrysocolla
Ore: Pyrite
Ore: Chalcocite
Ore: Malachite
Ore: Cuprite


Comments

Comment (Production): USGS PROF PAPER 43 P. 353, ADDITIONAL PRODUCTION MIGHT BE INCLUDED UNDER STEVENS LEASE.

Comment (Deposit): Discovery Year: LATE 1800'S

Comment (Deposit): 2 PATENTED CLAIMS (STELLA, LITTLE STELLA)

Comment (Development): OWNERS INCLUDED SHANNON COPPER CO., ARIZONA COPPER CO., LTD; OPERATORS INCLUDED CHARLES E. STEVENS, JR., STEVENS COPPER MINING CO., JESUS GOMEZ, R.L. NARDELLI

Comment (Workings): DEVELOPMENTS INCLUDED 2 TUNNELS A FEW HUNDRED FEET LONG, THE LOWER ONE LOCATED ALMOST IN THE BOTTOM OF GARFIELD GULCH; ONE WINZE 60 FT DEEP, EXPOSING GOOD CHALCOCITE ORE.

Comment (Geology): THE DIABASE DIKE RARELY CONTAINS MUCH ORE. THE VEIN MATERIAL CONSISTS LARGELY OF CRUSHED AND ALTERED GRANITE. NEAR THE END OF THE TUNNEL THE VEIN APPEARS TO FORK, WITH SOME DIABASE OCCURRING ALONG EACH BRANCH.

Comment (Commodity): ABOVE THE LOWER TUNNEL, THE ORE CONSISTS OF ABOUT 25 % CHALCOCITE AND 75 % MALACHITE.

Comment (Location): LOCATED IN GARFIELD GULCH, 0.25 MILE ABOVE THE MOUTH. ; INFO FROM LAND.ST :(1973)


References

Reference (Deposit): LINDGREN, W., 1905, THE COPPER DEPOSITS OF THE CLIFTON-MORENCI DISTRICT, ARIZONA: U.S.G.S. PROFESSIONAL PAPER 43, P. 353.

Reference (Deposit): USBM FILES, UNDER STEVENS GROUP.

Reference (Deposit): ABGMT-USBM FILE DATA.

Reference (Deposit): ARIZ. DEPT OF MINERAL RESOURCES FILE DATA, UNDER STEVENS MINE.

Reference (Deposit): BLM DISTRICT SHEET 837.

Reference (Deposit): BENNETT, 1975, GEOLOGY AND ORIGIN OF THE BRECCIAS IN THE MORENCI-METCALF DISTRICT, GREENLEE COUNTY, ARIZONA: M.S. THESIS UNIVERSITY OF ARIZONA, 153 P.

Reference (Other Database): CIMRI

Reference (Production): U.S.G.S. P.P. 43 , P. 253 .


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