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Landsman claim (Landsman prospect; Iron Reef prospect), Landsman Camp (Landsman group), Aravaipa, Santa Teresa Mts, Aravaipa District, Graham Co., Arizona, USA

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A Fluorspar-Baryte-Pb-Zn-Cu-Ag occurrence located in sec. 29, T5S, R20E.

Mineralization is hosted in limestone and rhyolite.

A former surface and underground Pb-Ag-Zn-Cu-Mn-Au-Fe prospect/mine located on 37 unpatented claims within the group (1943), in sec. 29, T5S, R20E, 2 miles NE of Aravaipa, on National Forest land. Owned and operated by Mr. Frank Landsmen (1925).

Mineralization is a replacement deposit with an irregular ore body hosted in limestone, striking NW and dipping SW. Ore control was bedding, fractures of limestone, shattered rhyolite dikes and some mineralization in schist. An associated rock unit is quartz monzonite.

Area structures include fracturing transverse to bedding and the Landsman Camp Fault.

No ore has been shipped. Assay data: 1% Cu, a little Au.



References:
Ross, Clyde P. (1925b) Geology and Ore Deposits of Aravaipa and Stanley Mining Districts, Graham County, Arizona USGS Bull. 763: 10 (?).

Van Alstine, R.E. and Moore, R.T. (1969) Fluorspar, in Arizona Bureau of Mines Bull. 180 (USGS Bull. 871): 353.

Elevatorski, E.A. (1971), Arizona Department of Mineral Resources (ADMR), Arizona Fluorspar.

Phillips, K.A. (1987), Arizona Industrial Minerals, 2nd. Edition, Arizona Department of Mines & Minerals Mineral Report 4, 185 pp.

Peirce, H. Wesley (1990), Arizona Geological Survey Industrial Minerals card file.

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 190, 288.

MRDS database Dep. ID #10027133, MRDS ID #M002202; and, Dep. ID #10060275, MRDS ID #TC10282.





 Map Reference: 32°58'6"N , 110°19'32"W

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Mineral List:
  		•  Acanthite
    Ag
     
    2
    		S
    Reference: [MRDS database Dep. ID #10060275, MRDS ID #TC10282.]
  		•  Actinolite
    ☐Ca
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    5
    		(Si
     
    8
    		O
     
    22
    		)(OH)
     
    2
    Reference: [MRDS database Dep. ID #10027133, MRDS ID #M002202.]
  		•  'Axinite'
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 288.]
  		•  Baryte
    BaSO
     
    4
    Reference: [MRDS database Dep. ID #10060275, MRDS ID #TC10282.]
  		•  Calcite
    CaCO
     
    3
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 190.]
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [MRDS database Dep. ID #10027133, MRDS ID #M002202.]
  		•  Cosalite
    Pb
     
    2
    		Bi
     
    2
    		S
     
    5
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 190.]
  		•  Covellite
    CuS
    Reference: [MRDS database Dep. ID #10027133, MRDS ID #M002202.]
  		•  Cuprite
    Cu
     
    2
    		O
    Reference: [MRDS database Dep. ID #10027133, MRDS ID #M002202.]
  		•  Diopside
    CaMg[Si
     
    2
    		O
     
    6
    		]
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 190.]
  		•  Epidote
    {Ca
     
    2
    		}{Al
     
    2
    		Fe
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [MRDS database Dep. ID #10027133, MRDS ID #M002202.]
  		•  Fluorite
    CaF
     
    2
    Reference: [MRDS database Dep. ID #10060275, MRDS ID #TC10282.]
  		•  Galena
    PbS
    Description: Occurs in a vein containing sphalerite & manganbabingtonite in a contact metamorphosed zone developed in limestone & shale.
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 288.]
  		•  'Garnet Group'
    X
     
    3
    		Z
     
    2
    		(TO
     
    4
    		)
     
    3
    		 (X = Ca, Fe, etc·, Z = Al, Cr, etc·, T = Si, As, V)
    Colour: Yellow
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 288.]
  		•  Hematite
    var: Specularite
    Reference: [MRDS database Dep. ID #10027133, MRDS ID #M002202.]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [MRDS database Dep. ID #10027133, MRDS ID #M002202.]
  		•  Malachite
    Cu
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
    Reference: [MRDS database Dep. ID #10027133, MRDS ID #M002202.]
  		•  Manganbabingtonite
    Ca
     
    2
    		(Mn,Fe)FeSi
     
    5
    		O
     
    14
    		(OH)
    Habit: Exceptional bladed, euhedral crystals to 7 mm long.
    Colour: Dark brown
    Description: Occurs in a vein containing galena & sphalerite in a contact metamorphosed zone developed in limestone and shale.
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 288.]
  		•  Polylithionite
    KLi
     
    2
    		Al[(F,OH)
     
    2
    		|Si
     
    4
    		O
     
    10
    		]
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 288.]
  		•  Pyrite
    FeS
     
    2
    Reference: [MRDS database Dep. ID #10027133, MRDS ID #M002202.]
  		•  Sphalerite
    (Zn,Fe
    2+
     
    		)S
    Description: Occurs in a vein containing galena & manganbabingtonite in a contact metamorphosed zone developed in limestone & shale.
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 288.]


    21 entries listed. 18 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: 10th Nov 2009 06:13:09