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Copper Queen Mine (Queen Mine), Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District), Sierrita Mountains, Pima Co., Arizona, USAi
Regional Level Types
Copper Queen Mine (Queen Mine)Mine
Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District)Mining District
Sierrita MountainsMountain Range
Pima Co.County
ArizonaState
USACountry

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Key
Latitude & Longitude (WGS84):
31° 53' 54'' North , 111° 3' 27'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Green Valley21,391 (2011)7.8km
Sahuarita25,707 (2017)11.6km
East Sahuarita1,622 (2006)13.1km
Arivaca Junction1,090 (2011)19.0km
Amado295 (2011)21.2km


Ref.: Ransome, F.L. (1922) Ore deposits of the Sierrita Mountains, Pima County, Arizona, in Contributions to Economic Geology (Short Papers and Preliminary Reports), 1921 - Part I.--Metals and Nonmetals except Fuels: U.S. Geological Survey Bulletin 725J, p. 407-428: 425-426.

Brown, R.L. (1926) Geology and ore deposits of the Twin Buttes district: Tucson, University of Arizona, M.S. thesis, 40 p.

Whitcomb, H.A. (1948) Geology of the Morgan mine area, Twin Buttes, Arizona: Tucson, University of Arizona, M.S. thesis, 83 p.

Cummings, J.B., and Romslo, T.M. (1950) Investigation of Twin Buttes copper mines, Pima County, Ariz.: U.S. Bureau of Mines Report of Investigations R.I. 4732, 32 p.

Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 134 (Table 4).

USGS Twin Buttes Quadrangle topo map.

Arizona Bureau of Mines file data.

MRDS database Dep. ID file #10103750, MRDS ID #M050378; and, Dep. ID #10259245, MAS ID #0040190178.

A former small underground Cu-Ag-Pb-Zn-Au-Mo-W mine located in the NW ¼ sec. 6, T.18S., R.13E, ¼ mile S of Twin Buttes. Produced intermittently from 1900 to 1957. Owned at times, or in part, by Baxter; the Twin Buttes Mining & Smelting Co.; Bush & Baxter Mining Co.; Midland Copper Co.; Foy; Amuran Mining Co.; and the Banner Mining Co.

Mineralization is a series of relatively large irregular and tabular copper sulfide orebodies along bedding planes and a sheared fault contact zone in garnetized and silicated, pyrometamorphosed Paleozoic limestone. Some shattering controlled fluids. Some enrichment. The Precambrian granite is somewhat mineralized also. Alteration includes garnetization, silication and pyrometamorphosed limestone; partly oxidized. Depth to top of the ore zone is 134.11 meters and the depth to the bottom is 213.36 meters.

Workings include shaft operations to a depth of 213.36 meters. A 900 foot inclined shaft and extensive underground workings were developed. Produced some 122,000 tons of ore intermittently from the early 1900's through 1957. Total production as of 1948 was $1,747,852. The ore averaged about 4.2% Cu, 1 oz. Ag/T and minor Zn & Pb.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


6 valid minerals.

Detailed Mineral List:

Chalcocite
Formula: Cu2S
Reference: MRDS database Dep. ID file #10103750, MRDS ID #M050378.
Chalcopyrite
Formula: CuFeS2
Reference: MRDS database Dep. ID file #10103750, MRDS ID #M050378.
Cuprite
Formula: Cu2O
Reference: MRDS database Dep. ID file #10103750, MRDS ID #M050378.
'Garnet Group'
Formula: X3Z2(SiO4)3
Description: In pyrometasomatically altered Paleozoic limestone.
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 134 (Table 4); Ransome (1922): 425-426; Cummings & Romslo (1950); Arizona Bureau of Mines file data.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: MRDS database Dep. ID file #10103750, MRDS ID #M050378.
Marcasite
Formula: FeS2
Reference: MRDS database Dep. ID file #10103750, MRDS ID #M050378.
Sphalerite
Formula: ZnS
Reference: MRDS database Dep. ID file #10103750, MRDS ID #M050378.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Marcasite2.EB.10aFeS2
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
Cuprite4.AA.10Cu2O
Magnetite4.BB.05Fe2+Fe3+2O4
Unclassified Minerals, Rocks, etc.
'Garnet Group'-X3Z2(SiO4)3

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
AmXp, with m:p = 1:1
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Marcasite2.12.2.1FeS2
Group 4 - SIMPLE OXIDES
A2X
Cuprite4.1.1.1Cu2O
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Unclassified Minerals, Mixtures, etc.
'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

OOxygen
O Garnet GroupX3Z2(SiO4)3
O CupriteCu2O
O MagnetiteFe2+Fe23+O4
SiSilicon
Si Garnet GroupX3Z2(SiO4)3
SSulfur
S ChalcociteCu2S
S ChalcopyriteCuFeS2
S MarcasiteFeS2
S SphaleriteZnS
FeIron
Fe ChalcopyriteCuFeS2
Fe MarcasiteFeS2
Fe MagnetiteFe2+Fe23+O4
CuCopper
Cu ChalcociteCu2S
Cu ChalcopyriteCuFeS2
Cu CupriteCu2O
ZnZinc
Zn SphaleriteZnS

Other Databases

USGS MRDS Record:10103750

Other Regions, Features and Areas containing this locality

North America
North America PlateTectonic Plate

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