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Southwest Mine, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA

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‡Ref.: Bonillas, Y.S., Tenny, and Feuchere (1917), Geology of the Warren mining district: A.I.M.E. Transactions, Vol. 55: 329, 336.

Trischka, C. (1938), Bisbee district, in Some Arizona ore deposits, Arizona Bureau of Mines Bull. 145: 37.

Hogue, W.G. & E.D. Wilson (1950), Bisbee or Warren district, in Arizona zinc and lead deposits, Arizona Bureau of Mines Bull. 156: 28.

Schwartz, G.M. (1956), Argillic alteration and ore deposits, Economic Geology: 51: 407-414.

Galbraith, F.W. & D.J. Brennan (1959), Minerals of Arizona: 37, 108.

Keith, Stanton B. (1973), Arizona Bureau of Mines Bull. 187, Index of Mining Properties in Cochise County, AZ: 89 (Table 4).

Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 6 (Table 1).

Graeme, R. (1993), Bisbee revisited, Mineralogical Record: 24: 421-436.

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 130, 131, 134, 175, 183, 196, 213, 217, 298, 308, 321, 332, 351, 376, 398.

Grant, Raymond W., Richard A. Bideaux & Sidney A. Williams (2006), Minerals Added to the Arizona List 1995 to 2005: 2.

MRDS database Dep. ID file #10046236, MRDS ID #M241100; and, Dep. ID #10185320, MAS ID #0040030328.

A former medium output underground Cu-Pb-Zn-Au-Ag mine located in the SW ¼ sec. 9, T.23S., R.24E. (Bisbee 7.5 minute topo map), on the S edge of Bisbee, on private land. Owned by the Phelps Dodge Corp.

Mineralization is mostly oxidized and enriched copper, lead and zinc ores in irregular replacement bodies in Devonian Martin Limestone along the Czar fault in association with porphyry dikes and sills and clustered around a leached silica core. Ore control was nearby dikes and sills, and faulting and associated brecciation. Ore concentration was bornite replacing pyrite. In the silica, gold was both mechanically and chemically concentrated during leaching. Alteration was gossan with Mn and Fe oxides induced by hydrothermal metamorphism.

Local structures include common pre-mineralization faulting and tilting. Main fault directions are N10W to N40E and S30W to N50W.

Workings are underground openings. Several hundred thousand tons of copper and lead carbonate ore were produced in the late 1800's and in the 1900's. Production statistics were included under the Copper Queen Branch of Phelps Dodge in USBM-ABGMT file data.





 Map Reference: 31°26'23"N , 109°54'56"W

This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.



Mineral List:
  		•  Aragonite
    CaCO
     
    3
    Reference: [No reference listed]
    Site Photo
    Southwest Mine, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA
    © Rob Lavinsky
  		•  Atacamite
    Cu
     
    2
    		[(OH)
     
    3
    		|Cl]
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 175, 298; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.]
    Site Photo
    Southwest Mine, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA
    © Brent Thorne 2008
  		•  Aurichalcite
    (Zn,Cu)
     
    5
    		[(OH)
     
    3
    		|CO
     
    3
    		]
     
    2
    Reference: [Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.]
    Site Photo
    Southwest Mine, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA
    © Rob Lavinsky
  		•  Azurite
    Cu
     
    3
    		[OH|CO
     
    3
    		]
     
    2
    Reference: [No reference listed]
  		•  Bayldonite
    Cu
     
    3
    		Pb[OH|AsO
     
    4
    		]
     
    2
    Colour: Greenish-yellow.
    Description: Occurs on the 6th level as spongy, resinous linings of small voids in a quartz breccia.
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 130; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.]
  		•  Beaverite
    Pb(Fe
    3+
     
    		,Cu,Al)
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    Description: Occurs on the 6th level.
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 134; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.]
  		•  Beudantite
    PbFe
     
    3
    		[(OH)
     
    6
    		|SO
     
    4
    		|AsO
     
    4
    		]
    Description: Abundant.
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 134; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.]
  		•  Boothite
    CuSO
     
    4
    		·7H
     
    2
    		O
    Habit: As cm-wide clusters of radiating acicular crystals
    Colour: Light blue
    Description: Also as small granular masses composed of 1 to 2 mm crystals.
    Reference: [Grant, Raymond W., Richard A. Bideaux & Sidney A. Williams (2006), Minerals Added to the Arizona List 1995 to 2005: 2.]
  		•  Bornite
    Cu
     
    5
    		FeS
     
    4
    Reference: [MRDS database Dep. ID file #10046236, MRDS ID #M241100.]
  		•  Botallackite
    Cu
     
    2
    		[(OH)
     
    3
    		|Cl]
    Reference: [Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.]
  		•  Calcite
    CaCO
     
    3
    Reference: [No reference listed]
    Site Photo
    Southwest Mine, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA
    © J.Ralph
  		•  Chalcocite
    Cu
     
    2
    		S
    Reference: [MRDS database Dep. ID file #10046236, MRDS ID #M241100.]
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [MRDS database Dep. ID file #10046236, MRDS ID #M241100.]
  		•  Claringbullite
    Cu
     
    4
    		[(OH)
     
    7
    		|Cl] · nH
     
    2
    		O
    Habit: Crystals to 6 mm
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 175; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.]
  		•  Connellite
    Cu
     
    19
    		[(OH)
     
    32
    		|SO
     
    4
    		|Cl
     
    4
    		] · 3H
     
    2
    		O
    Habit: Acicular
    Description: Ocurs as crystals in cuprite with paratacamite.
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 175, 183; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.]
  		•  Copper
    Cu
    Reference: [No reference listed]
  		•  Cuprite
    Cu
     
    2
    		O
    Habit: Modified cubic crystals to 5 cm
    Description: Transparent crystals.
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 183, 196, 298; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.]
    Site Photo
    Southwest Mine, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA
    © J.Ralph
  		•  Delafossite
    CuFeO
     
    2
    Habit: Small
    Description: Crystal aggregates and botryoidal crusts at lower zone of oxidation.
    Reference: [Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 108.]
  		•  Endellite
    Description: A product of hydrothermal alteration.
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 213; Schwartz, G.M. (1956), Argillic alteration and ore deposits, Econ.Geol.: 51: 407-414.]
  		•  Eugenite
    Ag
     
    11
    		Hg
     
    2
    Description: Grains about 1 micron or less in massive cuprite.
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 217.]
  		•  Halloysite
    Al
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    Description: Occurs in small quantities.
    Reference: [Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 108.]
  		•  Hematite
    Fe
     
    2
    		O
     
    3
    Reference: [No reference listed]
  		•  Hemimorphite
    Zn
     
    4
    		[(OH)
     
    2
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    Reference: [Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.]
  		•  Limonite
    FeO(OH)·nH
     
    2
    		O
    Reference: [MRDS database Dep. ID file #10046236, MRDS ID #M241100.]
  		•  Malachite
    Cu
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 298; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.]
    Site Photo
    Southwest Mine, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA
    © Rob Lavinsky
  		•  Miersite
    (Ag,Cu)I
    Habit: Small crystals
    Colour: lemon-yellow
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 298; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.]
  		•  Murdochite
    PbCu
     
    6
    		O
     
    8-x
    		(Cl,Br)
     
    2x
    		 x<=0.5
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 308; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.]
    Site Photo
    Southwest Mine, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA
    © Michael Cline
  		•  Nantokite
    CuCl
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 398; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.]
  		•  Paratacamite
    Cu
     
    3
    		(Cu,Zn)[(OH)
     
    3
    		|Cl]
     
    2
    Habit: Crystals to 1.5 cm long.
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 175, 321, 351; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.]
    Site Photo
    Southwest Mine, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA
    © 2005 M. Kampf
  		•  Plattnerite
    PbO
     
    2
    Reference: [Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.]
  		•  Plumbojarosite
    PbFe
    3+
    6
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    4
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 332.]
  		•  Pyrite
    FeS
     
    2
    Reference: [MRDS database Dep. ID file #10046236, MRDS ID #M241100.]
  		•  Ralstonite
    NaMgAl(F,OH)
     
    6
    		·H
     
    2
    		O
    Description: One specimen found by R. Graeme in a void associated with paratacamite.
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 351; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.]
  		•  Rammelsbergite
    NiAs
     
    2
    Reference: [Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.]
  		•  Spangolite
    Cu
     
    6
    		Al[(OH)
     
    12
    		|Cl|SO
     
    4
    		] · 3H
     
    2
    		O
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 175, 376; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.]
  		•  Sphalerite
    (Zn,Fe
    2+
     
    		)S
    Reference: [MRDS database Dep. ID file #10046236, MRDS ID #M241100.]
  		•  Tolbachite
    CuCl
     
    2
    Colour: Brown
    Description: Filmy crusts on masses of nantokite.
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 398; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.]


    37 entries listed. 34 valid minerals.

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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in Arizona, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 6th Nov 2009 19:30:19