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De Lamar Mine (Wahl; Sommercamp; Voschay), De Lamar District, Owyhee Co., Idaho, USA

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Ref.: Dana 7:I:181. Located on Section 5, Township 5S, Range 4W. A silver mine closed 1916 as an underground working and reopened 1977 as an open pit mine. Owned by Earth Resources Co.





 Map Reference: 43°0'42"N , 116°50'3"W

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Mineral List:
  		•  Acanthite
    Ag
     
    2
    		S
    Reference: [Idaho Minerals (2004) L. Ream 2nd ed]
  		•  Aenigmatite
    Na
     
    2
    		Fe
    2+
    5
    		TiO
     
    2
    		(Si
     
    6
    		O
     
    18
    		)
    Reference: [Mineralogical Record, Sep 1995]
  		•  Aguilarite
    Ag
     
    4
    		SeS
    Reference: [Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated]
  		•  Baryte
    BaSO
     
    4
    Reference: [Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated]
  		•  Beidellite
    (Na,Ca
     
    0.5
    		)
     
    0.3
    		Al
     
    2
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
    Reference: [Chipera & Bish, Clays and Clay Minerals 45:226]
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated]
  		•  Chlorargyrite
    AgCl
    Reference: [R&M 70:4 pp 242-263]
  		•  Copper
    Cu
    Reference: [Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated]
  		•  Covellite
    CuS
    Reference: [Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated]
  		•  Fischesserite
    Ag
     
    3
    		AuSe
     
    2
    Reference: [Extra Lapis English No. 5 Gold]
    Site Photo
    De Lamar Mine (Wahl; Sommercamp; Voschay), De Lamar District, Owyhee Co., Idaho, USA
    © 2007, JGW
  		•  Goethite
    α-Fe
    3+
     
    		O(OH)
    Reference: [Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated]
  		•  Gold
    Au
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.]
  		•  Gold
    var: Electrum
    (Au, Ag)
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.]
  		•  Jamesonite
    Pb
     
    4
    		FeSb
     
    6
    		S
     
    14
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.]
  		•  Jarosite
    KFe
    3+
     
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    Reference: [Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated]
  		•  Kaolinite
    Al
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    Reference: [Idaho Minerals (2004) L. Ream 2nd ed]
  		•  Mandarinoite
    Fe
     
    2
    		Se
     
    3
    		O
     
    9
    		·4H
     
    2
    		O
    Reference: [Rocks & Min.:64:48.]
    Site Photo
    De Lamar Mine (Wahl; Sommercamp; Voschay), De Lamar District, Owyhee Co., Idaho, USA
    © Brent Thorne
  		•  Marcasite
    FeS
     
    2
    Reference: [Shannon (1920) The American Journal of Science pp 390-391]
  		•  Miargyrite
    AgSbS
     
    2
    Reference: [Idaho Minerals (2004) L. Ream 2nd ed]
  		•  Naumannite
    Ag
     
    2
    		Se
    Reference: [R&M 70:4 pp 242-263]
    Site Photo
    De Lamar Mine (Wahl; Sommercamp; Voschay), De Lamar District, Owyhee Co., Idaho, USA
    © Karl Volkman 08/05
  		•  Polybasite
    [(Ag,Cu)
     
    6
    		(Sb,As)
     
    2
    		S
     
    7
    		][Ag
     
    9
    		CuS
     
    4
    		]
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.]
  		•  Proustite
    Ag
     
    3
    		AsS
     
    3
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.]
  		•  Pyrargyrite
    Ag
     
    3
    		SbS
     
    3
    Reference: [Idaho Minerals (2004) L. Ream 2nd ed]
  		•  Pyrite
    FeS
     
    2
    Reference: [R&M 70:4 pp 242-263]
  		•  Quartz
    SiO
     
    2
    Reference: [R&M 70:4 pp 242-263]
  		•  Selenopolybasite (TL)
    [(Ag,Cu)
     
    6
    		(Sb,As)
     
    2
    		(S,Se)
     
    7
    		][Ag
     
    9
    		Cu(S,Se)
     
    2
    		Se
     
    2
    		]
    Type Locality: De Lamar Mine (Wahl; Sommercamp; Voschay), De Lamar District, Owyhee Co., Idaho, USA
    Reference: [Bindi, L., Evain, M., Menchetti, S. (2007): Selenopolybasite, [(Ag,Cu)6(Sb,As)2(S,Se)7][Ag9Cu(S,Se)2Se2], a new member of the pearceite–polybasite group from the De Lamar mine, Owyhee County, Idaho, USA. Canadian Mineralogist, 45, 1525-1528. ]
  		•  Silver
    Ag
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.]
  		•  Sphalerite
    (Zn,Fe
    2+
     
    		)S
    Reference: [Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated]


    28 entries listed. 27 valid minerals. 1 type locality (valid mineral).

    The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in Idaho, 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: 2nd Nov 2009 18:27:01