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Ballas Silver-Lead Mine, Ballas Mine area, Quijotoa Mining District, Quijotoa Mountains, Pima Co., Arizona, USAi
Regional Level Types
Ballas Silver-Lead MineMine
Ballas Mine areaArea
Quijotoa Mining DistrictMining District
Quijotoa MountainsMountain Range
Pima Co.County
ArizonaState
USACountry

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Key
Latitude & Longitude (WGS84):
32° 8' 8'' North , 112° 8' 54'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Maish Vaya158 (2011)4.0km
Pisinemo321 (2011)19.5km
Wahak Hotrontk114 (2011)21.1km
Santa Rosa628 (2011)23.2km
Gu Oidak188 (2011)25.7km


Ref.: Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 139 (Table 4).

Kahle, K., Conway, D., and Haxel, G. (1978) Preliminary geologic map of the Ajo 1o by 2o quadrangle, Arizona: U.S. Geological Survey Open-File Report 78-1096, 2 sheets, scale 1:250,000.

Arizona Bureau of Mines file data.

MRDS database Dep. ID file #10027155, MRDS ID #M002305.

A former small surface and underground Ag-Pb-Zn-Cu-Au mine located in the NE ¼ sec. 14, T.15S., R.2E. (protracted) in the Quijotoa Mountains, 2 miles SW of the Quijotoa Trading Post. Discovered 1885. Owned by the Julian Merger Mines, Inc.

Mineralization is largely oxidized, irregular, quartz lenses containing spotty sulfides and free gold along shear zones and fractures in Laramide granitic intrusive.

Worked sporadically since the 1880's. Together with nearby prospects and mines, probably produced up to 100 tons of ore averaging about 200 oz. Ag/T, 8-9% Pb, 1% Cu and minor gold.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


5 valid minerals.

Detailed Mineral List:

Acanthite
Formula: Ag2S
Reference: MRDS database Dep. ID file #10027155, MRDS ID #M002305.
Chalcopyrite
Formula: CuFeS2
Reference: MRDS database Dep. ID file #10027155, MRDS ID #M002305.
Galena
Formula: PbS
Reference: MRDS database Dep. ID file #10027155, MRDS ID #M002305.
Pyrite
Formula: FeS2
Reference: MRDS database Dep. ID file #10027155, MRDS ID #M002305.
Sphalerite
Formula: ZnS
Reference: MRDS database Dep. ID file #10027155, MRDS ID #M002305.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Acanthite2.BA.35Ag2S
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Acanthite2.4.1.1Ag2S
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2

List of minerals for each chemical element

SSulfur
S AcanthiteAg2S
S ChalcopyriteCuFeS2
S GalenaPbS
S PyriteFeS2
S SphaleriteZnS
FeIron
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
CuCopper
Cu ChalcopyriteCuFeS2
ZnZinc
Zn SphaleriteZnS
AgSilver
Ag AcanthiteAg2S
PbLead
Pb GalenaPbS

Other Databases

USGS MRDS Record:10027155

Other Regions, Features and Areas containing this locality

North America
North America PlateTectonic Plate
USA

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