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Minnesota Mine, Providencia Canyon, Patagonia Mining District, Patagonia Mountains, Santa Cruz Co., Arizona, USAi
Regional Level Types
Minnesota MineMine
Providencia CanyonCanyon
Patagonia Mining DistrictMining District
Patagonia MountainsMountain Range
Santa Cruz Co.County
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
31° 23' 17'' North , 110° 45' 58'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Kino Springs136 (2011)5.0km
Beyerville177 (2011)10.7km
Francisco Miguel Cárdenas Valdez (Mascareñas)541 (2014)12.9km
Nogales20,252 (2017)16.8km
Patagonia890 (2017)16.9km


‡Ref.: Schrader, F.C. (1915) Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, with contributions by J.M. Hill: U.S. Geological Survey Bulletin 582, 373 p., 3 sheets, scale 1:125,000: 316.

Simons, F.S. (1974) Geologic map and sections of the Nogales and Lochiel quadrangles, Santa Cruz County, Arizona: U.S. Geological Survey Miscellaneous Investigations Series Map I-762, 9 p., 1 sheet, scale 1:48,000.

Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, AZ Dept. Mines & Min. Resources Open File Rept. 92-10: 16 (Table 1).

U.S. Bureau of Mines - Arizona Bureau of Geology and Mineral Technology production file data.

U.S. Bureau of Mines file data-cluster #22, Minnesota Mine.

USGS Nogales Quadrangle topo map.

U.S. Bureau of Mines Coronado National Forest Report.

Yale Peabody GNIS database (NOTE: this database is derived from USGS 1:24,000 topographic map data).

MRDS database Dep. ID file #10109886, MRDS ID #M899906; and, Dep. ID #10113508, MAS ID #0040230284.

A former small underground Cu-Ag-Pb-Sb-Zn mine located in the NW¼NW¼ sec. 31, T.23S., R.16E. (Nogales 15 minute topo map), 6 miles ESE of Nogales International Airport, in Providencia Canyon; 1¼ miles east of the Golden Rose Mine; 4.0 miles NW of Washington Camp, on National Forest land. Produced 1952-1953. Operated by W. W. Todd and Joe Bostwick (1952).

Mineralization is in a NE-trending, 35SE dipping, quartz vein cutting quartz monzonite. The vein is 0.61 meters wide. Ore concentration involved oxidation at near surface. Mineralization accompanied or followed intrusion of porphyritic granodiorite in the region. Alteration includes strong potassic alteration. Granodiorite is highly shattered, sheeted, and crushed. An associated rock unit is hornblendite.

The deposits occur in the form of subordinate veins, lenses, stringers, and seams in fissures, joints, sheeting planes, and other fractures in quartz monzonite and diorite. No sulphides were noted.

Tectonic elements include the Guajolote Fault Block. The NW-trending, inferred Guajolote Fault lies to the east of the deposits with downthrow to the east.

Workings include two tunnel drifts driven in opposite directions on different sides of the gulch. The southerly tunnel is 90 feet (27.43 meters) in length. Development bagan as early as 1900.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


1 valid mineral.

Detailed Mineral List:

Malachite
Formula: Cu2(CO3)(OH)2
Reference: MRDS database Dep. ID file #10109886, MRDS ID #M899906.

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
Malachite5.BA.10Cu2(CO3)(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2

List of minerals for each chemical element

HHydrogen
H MalachiteCu2(CO3)(OH)2
CCarbon
C MalachiteCu2(CO3)(OH)2
OOxygen
O MalachiteCu2(CO3)(OH)2
CuCopper
Cu MalachiteCu2(CO3)(OH)2

Other Databases

USGS MRDS Record:10109886

Other Regions, Features and Areas containing this locality

North America
North America PlateTectonic Plate

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