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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


Mineral List:
  		•  Albite
    Na[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [www.mineralogicalassociation.ca/doc/abstracts/cm3_Vol37_Jun99.pdf.; Economic Geology; December 1999; v. 94; no. 8; p. 1277-1303]
  		•  Altaite
    PbTe
    Reference: [www.mineralogicalassociation.ca/doc/abstracts/cm3_Vol37_Jun99.pdf.]
  		•  Ankerite
    Ca(Fe
    2+
     
    		 ,Mg,Mn
    2+
     
    		)(CO
     
    3
    		)
     
    2
    Reference: [Voicu, G., Bardoux, M., Stevenson, R., and Jébrak, M. (2000): Mineralium Deposita 35, 302-314.]
  		•  Calaverite
    AuTe
     
    2
    Reference: [www.mineralogicalassociation.ca/doc/abstracts/cm3_Vol37_Jun99.pdf.]
  		•  Calcite
    CaCO
     
    3
    Reference: [Voicu, G., Bardoux, M., Stevenson, R., and Jébrak, M. (2000): Mineralium Deposita 35, 302-314.]
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [Voicu, G., Bardoux, M., Stevenson, R., and Jébrak, M. (2000): Mineralium Deposita 35, 302-314.]
  		•  'Chlorite Group'
    Reference: [Economic Geology 94(8), 1277-1303 (1999); Voicu, G., Bardoux, M., Stevenson, R., and Jébrak, M. (2000): Mineralium Deposita 35, 302-314.]
  		•  Coloradoite
    HgTe
    Reference: [www.mineralogicalassociation.ca/doc/abstracts/cm3_Vol37_Jun99.pdf.]
  		•  Epidote
    {Ca
     
    2
    		}{Al
     
    2
    		Fe
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [Economic Geology 94(8), 1277-1303 (1999); Voicu, G., Bardoux, M., Stevenson, R., and Jébrak, M. (2000): Mineralium Deposita 35, 302-314.]
  		•  Galena
    PbS
    Reference: [Voicu, G., Bardoux, M., Stevenson, R., and Jébrak, M. (2000): Mineralium Deposita 35, 302-314.]
  		•  Gold
    Au
    Reference: [Voicu, G., Bardoux, M., Stevenson, R., and Jébrak, M. (2000): Mineralium Deposita 35, 302-314.]
  		•  Hessite
    Ag
     
    2
    		Te
    Reference: [www.mineralogicalassociation.ca/doc/abstracts/cm3_Vol37_Jun99.pdf.]
  		•  Melonite
    NiTe
     
    2
    Reference: [www.mineralogicalassociation.ca/doc/abstracts/cm3_Vol37_Jun99.pdf.]
  		•  'Mica Group'
    Reference: [www.mineralogicalassociation.ca/doc/abstracts/cm3_Vol37_Jun99.pdf.]
  		•  Molybdenite
    MoS
     
    2
    Reference: [Voicu, G., Bardoux, M., Stevenson, R., and Jébrak, M. (2000): Mineralium Deposita 35, 302-314.]
  		•  Petzite
    Ag
     
    3
    		AuTe
     
    2
    Reference: [www.mineralogicalassociation.ca/doc/abstracts/cm3_Vol37_Jun99.pdf.]
  		•  Pyrite
    FeS
     
    2
    Reference: [Economic Geology 94(8), 1277-1303 (1999); Voicu, G., Bardoux, M., Stevenson, R., and Jébrak, M. (2000): Mineralium Deposita 35, 302-314.]
  		•  Pyrrhotite
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
    Reference: [Economic Geology 94(8), 1277-1303 (1999)]
  		•  Quartz
    SiO
     
    2
    Reference: [Voicu, G., Bardoux, M., Stevenson, R., and Jébrak, M. (2000): Mineralium Deposita 35, 302-314.]
  		•  Rutile
    TiO
     
    2
    Reference: [Economic Geology 94(8), 1277-1303 (1999)]
  		•  Scheelite
    Ca[WO
     
    4
    		]
    Reference: [Voicu, G., Bardoux, M., Stevenson, R., and Jébrak, M. (2000): Mineralium Deposita 35, 302-314.]
  		•  'Sericite'
    Reference: [Economic Geology 94(8), 1277-1303 (1999); Voicu, G., Bardoux, M., Stevenson, R., and Jébrak, M. (2000): Mineralium Deposita 35, 302-314.]
  		•  Sphalerite
    (Zn,Fe
    2+
     
    		)S
    Reference: [Voicu, G., Bardoux, M., Stevenson, R., and Jébrak, M. (2000): Mineralium Deposita 35, 302-314.]
  		•  Tellurobismuthite
    Bi
     
    2
    		Te
     
    3
    Reference: [www.mineralogicalassociation.ca/doc/abstracts/cm3_Vol37_Jun99.pdf.]
  		•  'Tourmaline'
    AD
     
    3
    		G
     
    6
    		(BO
     
    3
    		)
     
    3
    		[T
     
    6
    		O
     
    18
    		]Y
     
    3
    		Z
    Reference: [Economic Geology 94(8), 1277-1303 (1999); Voicu, G., Bardoux, M., Stevenson, R., and Jébrak, M. (2000): Mineralium Deposita 35, 302-314.]
  		•  Volynskite
    AgBiTe
     
    2
    Reference: [www.mineralogicalassociation.ca/doc/abstracts/cm3_Vol37_Jun99.pdf.]


    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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