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Yaou deposit, Maripasoula, Arrondissement of Saint-Laurent-du-Maroni, French Guiana, Francei
Regional Level Types
Yaou depositDeposit
MaripasoulaCommune
Arrondissement of Saint-Laurent-du-MaroniArrondissement
French GuianaOverseas Department
FranceCountry

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Latitude & Longitude (WGS84):
3° 40' North , 54° 0' West
Latitude & Longitude (decimal):
3.66667,-54.00000
GeoHash:
G#: db9sg5qru
GRN:
N03W38
Type:
Deposit
Köppen climate type:
Af : Tropical rainforest climate
Nearest Settlements:
PlacePopulationDistance
Kabana-vo120 (2008)9.5km
Benzdorp (Monte Hermon)600 (2008)11.5km


Au-Fe-Cu stratabound and epigenetic deposit, with disseminated sulfides associated with two sets of veins: an early folded quartz-carbonate vein system followed by a late, unfolded quartz-carbonate vein set. These unfolded veins, interpreted as a late D2YA, are associated with widespread albitization and chloritization and are spatially related to small intermediate intrusive bodies historically interpreted as trondjhemite. Three types of pyrite are described by these authors: Py1 is disseminated and shows pressure shadows; coarse Py2 is associated with veining; whereas Py3 is disseminated and fine-grained without pressure shadows. An Au–Te association is mentioned by internal reports on the auriferous pyrite associated with veins. Regarding deformation phases, historically a folding stage is identified, followed by a simple shearing stage associated with the rotation of magmatic bodies.

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


14 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
Reference: Combes, V., Eglinger, A., André-Mayer, A. S., Teitler, Y., Heuret, A., Gibert, P., & Béziat, D. (2022). Polyphase gold mineralization at the Yaou deposit, French Guiana. Geological Society, London, Special Publications, 516(1), 177-210.
ⓘ Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Reference: Combes, V., Eglinger, A., André-Mayer, A. S., Teitler, Y., Heuret, A., Gibert, P., & Béziat, D. (2022). Polyphase gold mineralization at the Yaou deposit, French Guiana. Geological Society, London, Special Publications, 516(1), 177-210.
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Combes, V., Eglinger, A., André-Mayer, A. S., Teitler, Y., Heuret, A., Gibert, P., & Béziat, D. (2022). Polyphase gold mineralization at the Yaou deposit, French Guiana. Geological Society, London, Special Publications, 516(1), 177-210.
ⓘ Baryte
Formula: BaSO4
Reference: Combes, V., Eglinger, A., André-Mayer, A. S., Teitler, Y., Heuret, A., Gibert, P., & Béziat, D. (2022). Polyphase gold mineralization at the Yaou deposit, French Guiana. Geological Society, London, Special Publications, 516(1), 177-210.
ⓘ Calcite
Formula: CaCO3
Reference: Combes, V., Eglinger, A., André-Mayer, A. S., Teitler, Y., Heuret, A., Gibert, P., & Béziat, D. (2022). Polyphase gold mineralization at the Yaou deposit, French Guiana. Geological Society, London, Special Publications, 516(1), 177-210.
ⓘ Chalcopyrite
Formula: CuFeS2
Reference: Combes, V., Eglinger, A., André-Mayer, A. S., Teitler, Y., Heuret, A., Gibert, P., & Béziat, D. (2022). Polyphase gold mineralization at the Yaou deposit, French Guiana. Geological Society, London, Special Publications, 516(1), 177-210.
ⓘ 'Chlorite Group'
Reference: Combes, V., Eglinger, A., André-Mayer, A. S., Teitler, Y., Heuret, A., Gibert, P., & Béziat, D. (2022). Polyphase gold mineralization at the Yaou deposit, French Guiana. Geological Society, London, Special Publications, 516(1), 177-210.
ⓘ 'Feldspar Group'
Reference: Combes, V., Eglinger, A., André-Mayer, A. S., Teitler, Y., Heuret, A., Gibert, P., & Béziat, D. (2022). Polyphase gold mineralization at the Yaou deposit, French Guiana. Geological Society, London, Special Publications, 516(1), 177-210.
ⓘ Galena
Formula: PbS
Reference: Combes, V., Eglinger, A., André-Mayer, A. S., Teitler, Y., Heuret, A., Gibert, P., & Béziat, D. (2022). Polyphase gold mineralization at the Yaou deposit, French Guiana. Geological Society, London, Special Publications, 516(1), 177-210.
ⓘ Gold
Formula: Au
Reference: Combes, V., Eglinger, A., André-Mayer, A. S., Teitler, Y., Heuret, A., Gibert, P., & Béziat, D. (2022). Polyphase gold mineralization at the Yaou deposit, French Guiana. Geological Society, London, Special Publications, 516(1), 177-210.
ⓘ Hematite
Formula: Fe2O3
Reference: Combes, V., Eglinger, A., André-Mayer, A. S., Teitler, Y., Heuret, A., Gibert, P., & Béziat, D. (2022). Polyphase gold mineralization at the Yaou deposit, French Guiana. Geological Society, London, Special Publications, 516(1), 177-210.
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
Reference: Combes, V., Eglinger, A., André-Mayer, A. S., Teitler, Y., Heuret, A., Gibert, P., & Béziat, D. (2022). Polyphase gold mineralization at the Yaou deposit, French Guiana. Geological Society, London, Special Publications, 516(1), 177-210.
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Combes, V., Eglinger, A., André-Mayer, A. S., Teitler, Y., Heuret, A., Gibert, P., & Béziat, D. (2022). Polyphase gold mineralization at the Yaou deposit, French Guiana. Geological Society, London, Special Publications, 516(1), 177-210.
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Combes, V., Eglinger, A., André-Mayer, A. S., Teitler, Y., Heuret, A., Gibert, P., & Béziat, D. (2022). Polyphase gold mineralization at the Yaou deposit, French Guiana. Geological Society, London, Special Publications, 516(1), 177-210.
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Reference: Combes, V., Eglinger, A., André-Mayer, A. S., Teitler, Y., Heuret, A., Gibert, P., & Béziat, D. (2022). Polyphase gold mineralization at the Yaou deposit, French Guiana. Geological Society, London, Special Publications, 516(1), 177-210.
ⓘ Pyrite
Formula: FeS2
Reference: Combes, V., Eglinger, A., André-Mayer, A. S., Teitler, Y., Heuret, A., Gibert, P., & Béziat, D. (2022). Polyphase gold mineralization at the Yaou deposit, French Guiana. Geological Society, London, Special Publications, 516(1), 177-210.
ⓘ Quartz
Formula: SiO2
Reference: Combes, V., Eglinger, A., André-Mayer, A. S., Teitler, Y., Heuret, A., Gibert, P., & Béziat, D. (2022). Polyphase gold mineralization at the Yaou deposit, French Guiana. Geological Society, London, Special Publications, 516(1), 177-210.
ⓘ Rutile
Formula: TiO2
Reference: Combes, V., Eglinger, A., André-Mayer, A. S., Teitler, Y., Heuret, A., Gibert, P., & Béziat, D. (2022). Polyphase gold mineralization at the Yaou deposit, French Guiana. Geological Society, London, Special Publications, 516(1), 177-210.
ⓘ Sphalerite
Formula: ZnS
Reference: Combes, V., Eglinger, A., André-Mayer, A. S., Teitler, Y., Heuret, A., Gibert, P., & Béziat, D. (2022). Polyphase gold mineralization at the Yaou deposit, French Guiana. Geological Society, London, Special Publications, 516(1), 177-210.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
ⓘSphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
ⓘHematite4.CB.05Fe2O3
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘQuartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
ⓘAnkerite5.AB.10Ca(Fe2+,Mg)(CO3)2
ⓘCalcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
Group 9 - Silicates
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)
ⓘ'Chlorite Group'-
ⓘ'Feldspar Group'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8

List of minerals for each chemical element

HHydrogen
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
Cⓘ CalciteCaCO3
Cⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
OOxygen
Oⓘ CalciteCaCO3
Oⓘ RutileTiO2
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Oⓘ BaryteBaSO4
Oⓘ HematiteFe2O3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ QuartzSiO2
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ QuartzSiO2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
PPhosphorus
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ PyriteFeS2
Sⓘ ChalcopyriteCuFeS2
Sⓘ BaryteBaSO4
Sⓘ GalenaPbS
Sⓘ SphaleriteZnS
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ RutileTiO2
FeIron
Feⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Feⓘ PyriteFeS2
Feⓘ ChalcopyriteCuFeS2
Feⓘ HematiteFe2O3
Feⓘ MagnetiteFe2+Fe23+O4
CuCopper
Cuⓘ ChalcopyriteCuFeS2
ZnZinc
Znⓘ SphaleriteZnS
BaBarium
Baⓘ BaryteBaSO4
AuGold
Auⓘ GoldAu
PbLead
Pbⓘ GalenaPbS

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A) In-text Citation No.
Combes, V., Eglinger, A., André-Mayer, A. S., Teitler, Y., Heuret, A., Gibert, P., & Béziat, D. (2022). Polyphase gold mineralization at the Yaou deposit, French Guiana. Geological Society, London, Special Publications, 516(1), 177-210.

Other Regions, Features and Areas containing this locality

South AmericaContinent
South America PlateTectonic Plate

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