The Dos Pobres Mine is a copper mine located in Graham county, Arizona at an elevation of 4,081 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
Elevation: 4,081 Feet (1,244 Meters)
Commodity: Copper
Lat, Long: 32.96139, -109.67389
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.
Dos Pobres Mine MRDS details
Site Name
Primary: Dos Pobres Mine
Secondary: Los Pobres
Secondary: Safford Phelps Dodge
Secondary: Safford
Commodity
Primary: Copper
Secondary: Molybdenum
Secondary: Gold
Tertiary: Silver
Location
State: Arizona
County: Graham
District: Lone Star District (Safford, Dos Pobres)
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: 1960 -
Owner Name: Freeport-McMoran Copper and Gold Inc.
Home Office: Phoenix, AZ 85004
Info Year: 2007
Years: 2007 -
Production
Not available
Deposit
Record Type: Deposit
Operation Category: Unknown
Deposit Type: Porphyry Cu-Au
Operation Type: Surface-Underground
Mining Method: Combined Methods
Discovery Year: 1957
Years of Production:
Organization:
Significant: Y
Deposit Size: L
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Mexican Highland
Mineral Deposit Model
Model Name: Porphyry Cu-Au
Orebody
Form: IRREGULAR AND MASSIVE
Structure
Type: L
Description: Nw Striking Butte Fault
Alterations
Alteration Type: L
Alteration Text: Hydrothermal, Oxidation
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age in Years: 58.000000+-
Age Young: Eocene
Name: Quartz Monzonite
Role: Host
Age Type: Host Rock
Age in Years: 58.000000+-
Age Young: Eocene
Name: Andesite
Role: Host
Age Type: Host Rock
Age in Years: 58.000000+-
Age Young: Eocene
Analytical Data
Not available
Materials
Ore: Pyrite
Ore: Bornite
Ore: Molybdenite
Ore: Chrysocolla
Ore: Chalcopyrite
Ore: Chalcocite
Comments
Comment (Reserve-Resource): (4) SULFIDE; (5) LEACHABLE; (6) TOTAL RESOURCE ORE CONTAINS 0.003 TO 0.009% MO.
Comment (Development): DISCOVERED EARLY 1950'S BY PROSPECTORS. OPTIONED OCT. 1957 FROM RUSKIN LINES BY PHELPS DODGE. BEGAN DRILLING NOV. 21, 1957 AND EXERCISED OPTION TO PURCHASE IN 1960. BEGAN SHAFT SINKING AND UNDERGROUND DEVELOPMENT NOV. 1968. BY JULY 1979 HAD DRILLED 189,000 FT ROTARY AND DIAMOND DRILL HOLES AND DEVELOPED 79,000 FT SHAFTS, DRIFTS, AND CROSS-CUTS. UNDERGROUND DEVELOPMENT SUSPENDED 1982 AND WORKINGS ALLOWED TO FLOOD IN AUG. 1984. BY 1991 DRILLING AND DEVELOPMENT WORK HAD RESUMED.
Comment (Workings): PROPOSED THAT THIS DEPOSIT BE MINED BY BLOCK CAVING.
Comment (Identification): *******SEE Associated Deposits: San Juan Mine- Deposit ID 10027008 Lone Star- Deposit ID 10209543 Sanchez Copper Deposit- Deposit ID 10026888 Safford Deposit- Deposit ID 10027031 Safford Mine- Deposit ID 10400314
References
Reference (Development): Metals Economics Group (MEG) Safford webpage contains historical information on Don Pobres as of 8/3/2010. http://www.metalseconomics.com/
URL: http://www.metalseconomics.com/
Reference (Geology): The Dos Pobres geology and reserves are described at portergeo.com as of 8/3/2010. http://www.portergeo.com.au/
URL: http://www.portergeo.com.au/
Reference (Deposit): ROBINSON, R.F. AND COOK, A.,1966, THE SAFFORD COPPER DEPOSIT, LONE STAR MINING DISTRICT, GRAHAM COUNTY, ARIZONA, IN: GEOLOGY OF THE PORPHYRY COPPER DEPOSITS Southwestern North America, EDITED BY TITLEY, S.R AND HICKS, C.L. THE UNIVERSITY OF ARIZONA PRESS, TUCSON, ARIZ., P. 251-266
Reference (Geology): Langton J M, Williams S A 1982 - Structural, petrological and mineralogical controls for the Dos Pobres orebody, Lone Star Mining District, Graham County, Arizona: in Titley S R 1983 Advances in Geology of the Porphyry Copper Deposits, Southwestern North America University of Arizona Press, Tucson pp 335-352
Reference (Other Database): CIMRI
Reference (Reserve-Resource): GREELEY, 1978, P. 86; KEITH, UNPUB. DATA ABM; SAWYER AND OTHERS, 1992; (4,5) PHELPS DODGE 1992 FORM 10K; (6) PHELPS DODGE 1980 FORM 10K
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 STATES BUREAU OF MINES SPECIAL PUBLICATION, 334 P.
Reference (Deposit): DUNN, 1978, AZ. GEOL. SOC. DIGEST V. 11, P. 9-15.
Reference (Deposit): WORLD MINING, V. 29, NO. 4.
Reference (Deposit): GREELEY, 1978, AZ. DEPT. MIN. RES., SPEC. REPT. NO. 2.
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.
