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Monte Cristo Mine (Julian Merger Mining property; Amethyst vein), Morgan Butte, Wickenburg Mts, Yavapai Co., Arizona, USA

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‡Ref.: USGS Mineral Resources of the US (1907): Part 1: 182.

Weed, W.H. (1920) The Mines Handbook, Vol. XIV: 360.

Bastin, E.S. (1922), Primary native-silver ores near Wickenburg, Arizona, and their bearing on the genesis of the silver ores of Cobalt, Ontario, USGS Bull. 735: 131-155.

Galbraith, F.W. (1947), Minerals of Arizona, Arizona Bureau of Mines Bull. 153: 9, 15, 20, 25, 27, 28.

Bilbrey, J.H., Jr. (1962) Cobalt. U.S. Bureau of Mines Information Circular 8103: 28.

Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Rept. 92-10: 17 (Table 1).

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 101, 129, 167, 213, 313, 335, 373, 390, 393.

Grant, Raymond W., Richard A. Bideaux & Sidney A. Williams (2006), Minerals Added to the Arizona List 1995 to 2005: 1.

USGS Morgan Butte Quadrangle map.

Arizona Department of Mineral Resources Monte Cristo Mine and Mill file.

MRDS database Dep. ID #10027541, MRDS ID #M003309; and, Dep. ID #10283899, MAS ID #0040251444.

A former underground Ag-Au-Cu-Ni-Co-As mine located in the W½ sec. 4, T8N, R3W (Morgan Butte 7.5 minute topo map), near Wickenburg. Claims also extend into the NE¼NW¼SW¼ of sec. 4.

Mineralization is ore in bands and lenses. Ore control was faulting, shearing and igneous activity - dikes. Ore concentration was oxidation at near surface. Alteration was minor to none.

Area structures include veins (and genetically related [?] dikes) that trend N10W to N40W and crosscut Precambrian fabric. Foliation in Precambrian schist and gneiss trends N25E to N65E.





 Map Reference: 34°3'52"N , 112°34'58"W

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Mineral List:
  		•  Acanthite
    Ag
     
    2
    		S
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 101; Bastin, E.S. (1922), Primary native-silver ores near Wickenburg, AZ, and their bearing on the genesis of the silver ores of Cobalt, Ontario, USGS Bull. 735: 131-155; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 15, 27..]
  		•  Annabergite
    Ni
     
    3
    		(AsO
     
    4
    		)
     
    2
    		·8H
     
    2
    		O
    Description: Occurs as an alteration of nickeline and skutterudite.
    Reference: [Grant, Raymond W., Richard A. Bideaux & Sidney A. Williams (2006), Minerals Added to the Arizona List 1995 to 2005: 1; Bastin, E.S. (1922).]
  		•  Baryte
    BaSO
     
    4
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 129; Bastin, E.S. (1922), Primary native-silver ores near Wickenburg, AZ, and their bearing on the genesis of the silver ores of Cobalt, Ontario, USGS Bull. 735: 131-155;]
  		•  Chalcopyrite
    CuFeS
     
    2
    Description: Occurs with silver and nickel arsenides.
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 129, 167; Bastin, E.S. (1922), Primary native-silver ores near Wickenburg, AZ, and their bearing on the genesis of the silver ores of Cobalt, Ontario, USGS Bull. 735: 131-155;]
  		•  Enargite
    Cu
     
    3
    		AsS
     
    4
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 213, 390, 393; Bastin, E.S. (1922), Primary native-silver ores near Wickenburg, AZ, and their bearing on the genesis of the silver ores of Cobalt, Ontario, USGS Bull. 735: 131-155; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 27, 28.]
  		•  Nickeline
    NiAs
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 335, 390, 393; Bastin, E.S. (1922), Primary native-silver ores near Wickenburg, AZ, and their bearing on the genesis of the silver ores of Cobalt, Ontario, USGS Bull. 735: 131-155; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 9, 15, 20, 27, 28.]
  		•  Nickelskutterudite
    var: Chloanthite
    NiAs
     
    2
    		 - excess As up to As
     
    2.5
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 313; Bastin, E.S. (1922), Primary native-silver ores near Wickenburg, AZ, and their bearing on the genesis of the silver ores of Cobalt, Ontario, USGS Bull. 735: 131-155; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 9, 15, 20, 25.]
  		•  Proustite
    Ag
     
    3
    		AsS
     
    3
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 101; Bastin, E.S. (1922), Primary native-silver ores near Wickenburg, AZ, and their bearing on the genesis of the silver ores of Cobalt, Ontario, USGS Bull. 735: 131-155; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 15, 27.]
  		•  Pyrite
    FeS
     
    2
    Reference: [MRDS database Dep. ID #10027541, MRDS ID #M003309.]
  		•  Silver
    Ag
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 390, 393; Bastin, E.S. (1922), Primary native-silver ores near Wickenburg, AZ, and their bearing on the genesis of the silver ores of Cobalt, Ontario, USGS Bull. 735: 131-155; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 9, 15, 20, 25, 27, 28.]
  		•  Skutterudite
    (Co,Fe,Ni)As
     
    2-3
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 101; Bastin, E.S. (1922), Primary native-silver ores near Wickenburg, AZ, and their bearing on the genesis of the silver ores of Cobalt, Ontario, USGS Bull. 735: 131-155.]
  		•  Tennantite
    var: Argentiferous Tennantite
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 213, 390, 393; Bastin, E.S. (1922), Primary native-silver ores near Wickenburg, AZ, and their bearing on the genesis of the silver ores of Cobalt, Ontario, USGS Bull. 735: 131-155; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 27, 28.]
  		•  Tetrahedrite
    (Cu,Fe,Ag,Zn)
     
    12
    		Sb
     
    4
    		S
     
    13
    Reference: [Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 390, 393; Bastin, E.S. (1922), Primary native-silver ores near Wickenburg, AZ, and their bearing on the genesis of the silver ores of Cobalt, Ontario, USGS Bull. 735: 131-155; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 27.]


    13 entries listed. 11 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: 13th Nov 2009 15:47:56