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Fennell pit, Omai gold mine, Omai, Cuyuni-Mazaruni Region, Guyana i
Regional Level Types
Fennell pit Pit
Omai gold mine Mine
Omai - not defined -
Cuyuni-Mazaruni Region Region
Guyana Country

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Latitude & Longitude (WGS84):

5° 26' 39'' North , 58° 45' 49'' West

Latitude & Longitude (decimal):

5.44424,-58.76375

G#: d8ynyz1e1

Type:

Köppen climate type:

Af : Tropical rainforest climate

Nearest Settlements:

Place	Population	Distance
Mahdia	4,200 (2013)	47.1km

Mindat Locality ID:

204524

Long-form identifier:

mindat:1:2:204524:8

GUID (UUID V4):

7f5abf3e-3f9e-40a3-8cde-351cb49c8d5d

A water filled pit.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

Mineral List

28 valid minerals.

Detailed Mineral List:

ⓘ Aikinite ?

Formula: PbCuBiS₃

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Formula: Na(AlSi₃O₈)

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Formula: PbTe

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Formula: Ca(Fe²⁺,Mg)(CO₃)₂

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Formula: AuTe₂

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Formula: CaCO₃

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

ⓘ Chalcopyrite

Formula: CuFeS₂

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

ⓘ 'Chlorite Group'

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

ⓘ Coloradoite

Formula: HgTe

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Formula: Cu

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Formula: (CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Formula: PbS

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Formula: Au

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Voicu, G., Bardoux, M., Stevenson, R., and Jébrak, M. (2000): Mineralium Deposita 35, 302-314.

Formula: Fe₂O₃

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Formula: Ag₂Te

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Formula: Fe²⁺Fe³⁺₂O₄

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Formula: NiTe₂

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

ⓘ Molybdenite

Formula: MoS₂

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

ⓘ Muscovite var. Sericite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

ⓘ Nagyágite ?

Formula: [Pb₃(Pb,Sb)₃S₆](Au,Te)₃

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Formula: Ag₃AuTe₂

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Formula: FeS₂

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Formula: Fe_1-xS

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Formula: SiO₂

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Voicu, G., Bardoux, M., Stevenson, R., and Jébrak, M. (2000): Mineralium Deposita 35, 302-314.

ⓘ Quartz var. Milky Quartz

Formula: SiO₂

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

ⓘ Quartz var. Smoky Quartz

Formula: SiO₂

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Formula: TiO₂

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Formula: Ca(WO₄)

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Voicu, G., Bardoux, M., Stevenson, R., and Jébrak, M. (2000): Mineralium Deposita 35, 302-314.

Formula: ZnS

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

ⓘ Tellurobismuthite

Formula: Bi₂Te₃

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

ⓘ 'Tourmaline'

Formula: AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Formula: AgBiTe₂

References:

Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Gold	1.AA.05	Au
ⓘ	Copper	1.AA.05	Cu
Group 2 - Sulphides and Sulfosalts
ⓘ	Hessite	2.BA.60	Ag₂Te
ⓘ	Petzite	2.BA.75	Ag₃AuTe₂
ⓘ	Coloradoite	2.CB.05a	HgTe
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
ⓘ	Altaite	2.CD.10	PbTe
ⓘ	Galena	2.CD.10	PbS
ⓘ	Tellurobismuthite	2.DC.05	Bi₂Te₃
ⓘ	Calaverite	2.EA.10	AuTe₂
ⓘ	Melonite	2.EA.20	NiTe₂
ⓘ	Molybdenite	2.EA.30	MoS₂
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Aikinite ?	2.HB.05a	PbCuBiS₃
ⓘ	Nagyágite ?	2.HB.20a	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
ⓘ	Volynskite	2.JA.20	AgBiTe₂
Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Quartz var. Milky Quartz	4.DA.05	SiO₂
ⓘ		4.DA.05	SiO₂
ⓘ	var. Smoky Quartz	4.DA.05	SiO₂
ⓘ	Rutile	4.DB.05	TiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Ankerite	5.AB.10	Ca(Fe²⁺,Mg)(CO₃)₂
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Scheelite	7.GA.05	Ca(WO₄)
Group 9 - Silicates
ⓘ	Epidote	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Muscovite var. Sericite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ		9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
Unclassified
ⓘ	'Tourmaline'	-	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z
ⓘ	'Chlorite Group'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
B	Boron
B	ⓘ Tourmaline	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z
C	Carbon
C	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
C	ⓘ Calcite	CaCO₃
O	Oxygen
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
O	ⓘ Calcite	CaCO₃
O	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Rutile	TiO₂
O	ⓘ Scheelite	Ca(WO₄)
O	ⓘ Quartz var. Smoky Quartz	SiO₂
O	ⓘ Tourmaline	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z
O	ⓘ Quartz var. Milky Quartz	SiO₂
O	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Mg	Magnesium
Mg	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	Silicon
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Quartz var. Smoky Quartz	SiO₂
Si	ⓘ Quartz var. Milky Quartz	SiO₂
Si	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
S	Sulfur
S	ⓘ Aikinite	PbCuBiS₃
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Galena	PbS
S	ⓘ Molybdenite	MoS₂
S	ⓘ Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
S	ⓘ Pyrite	FeS₂
S	ⓘ Pyrrhotite	Fe_1-xS
S	ⓘ Sphalerite	ZnS
K	Potassium
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Scheelite	Ca(WO₄)
Ti	Titanium
Ti	ⓘ Rutile	TiO₂
Fe	Iron
Fe	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Pyrrhotite	Fe_1-xS
Ni	Nickel
Ni	ⓘ Melonite	NiTe₂
Cu	Copper
Cu	ⓘ Aikinite	PbCuBiS₃
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Copper	Cu
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
Mo	Molybdenum
Mo	ⓘ Molybdenite	MoS₂
Ag	Silver
Ag	ⓘ Hessite	Ag₂Te
Ag	ⓘ Petzite	Ag₃AuTe₂
Ag	ⓘ Volynskite	AgBiTe₂
Sb	Antimony
Sb	ⓘ Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
Te	Tellurium
Te	ⓘ Altaite	PbTe
Te	ⓘ Calaverite	AuTe₂
Te	ⓘ Coloradoite	HgTe
Te	ⓘ Hessite	Ag₂Te
Te	ⓘ Melonite	NiTe₂
Te	ⓘ Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
Te	ⓘ Petzite	Ag₃AuTe₂
Te	ⓘ Tellurobismuthite	Bi₂Te₃
Te	ⓘ Volynskite	AgBiTe₂
W	Tungsten
W	ⓘ Scheelite	Ca(WO₄)
Au	Gold
Au	ⓘ Calaverite	AuTe₂
Au	ⓘ Gold	Au
Au	ⓘ Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
Au	ⓘ Petzite	Ag₃AuTe₂
Hg	Mercury
Hg	ⓘ Coloradoite	HgTe
Pb	Lead
Pb	ⓘ Aikinite	PbCuBiS₃
Pb	ⓘ Altaite	PbTe
Pb	ⓘ Galena	PbS
Pb	ⓘ Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
Bi	Bismuth
Bi	ⓘ Aikinite	PbCuBiS₃
Bi	ⓘ Tellurobismuthite	Bi₂Te₃
Bi	ⓘ Volynskite	AgBiTe₂

Other Regions, Features and Areas containing this locality

South AmericaContinent

South America PlateTectonic Plate

Amazonian CratonCraton

This page 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. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

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