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Omai gold mine, Omai, Upper Takutu-Upper Essequibo Region, Guyana

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References:
- Voicu, G., Bardoux, M., Stevenson, R., and Jébrak, M. (2000): Nd and Sr isotope study of hydrothermal scheelite and host rocks at Omai, Guiana Shield: implications for ore fluid source and flow path during the formation of orogenic gold deposits. Mineralium Deposita 35, 302-314.

- http://segweb.org/EG/papers/Abs94-8_files/Voicu.pdf




Mineral list contains entries from the region specified including sub-localities

Group 1 - Elements
  		• Gold1.AA.05
    Au
    Group 2 - Sulphides and Sulfosalts
  		• Altaite2.CD.10
    PbTe
  		• Calaverite2.EA.10
    AuTe
     
    2
  		• Chalcopyrite2.CB.10a
    CuFeS
     
    2
  		• Coloradoite2.CB.05a
    HgTe
  		• Galena2.CD.10
    PbS
  		• Hessite2.BA.60
    Ag
     
    2
    		Te
  		• Melonite2.EA.20
    NiTe
     
    2
  		• Molybdenite2.EA.30
    MoS
     
    2
  		• Petzite2.BA.75
    Ag
     
    3
    		AuTe
     
    2
  		• Pyrite2.EB.05a
    FeS
     
    2
  		• Pyrrhotite2.CC.10
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
  		• Sphalerite2.CB.05a
    (Zn,Fe
    2+
     
    		)S
  		• Tellurobismuthite2.DC.05
    Bi
     
    2
    		Te
     
    3
  		• Volynskite2.JA.20
    AgBiTe
     
    2
    Group 4 - Oxides and Hydroxides
  		• Quartz4.DA.05
    SiO
     
    2
  		• Rutile4.DB.05
    TiO
     
    2
    Group 5 - Nitrates and Carbonates
  		• Ankerite5.AB.10
    Ca(Fe
    2+
     
    		 ,Mg,Mn
    2+
     
    		)(CO
     
    3
    		)
     
    2
  		• Calcite5.AB.05
    CaCO
     
    3
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Scheelite7.GA.05
    Ca[WO
     
    4
    		]
    Group 9 - Silicates
  		• Albite9.FA.35
    Na[AlSi
     
    3
    		O
     
    8
    		]
  		• Epidote9.BG.05
    {Ca
     
    2
    		}{Al
     
    2
    		Fe
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Unclassified Minerals
  		• 'Chlorite Group'-
  		• 'Mica Group'-
  		• 'Sericite'-
  		• 'Tourmaline'-
    AD
     
    3
    		G
     
    6
    		(BO
     
    3
    		)
     
    3
    		[T
     
    6
    		O
     
    18
    		]Y
     
    3
    		Z


    26 entries listed. 22 valid minerals.

    Localities in this Region:
    Guyana
     
    • Upper Takutu-Upper Essequibo Region
      • Omai
        • Omai gold mine

    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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