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Icabarú River placers (Kilometer 88 District), Santa Elena de Uairen, Bolívar, Venezuelai
Regional Level Types
Icabarú River placers (Kilometer 88 District)Group of Placers
Santa Elena de Uairen- not defined -
BolívarState
VenezuelaCountry

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Key
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Latitude & Longitude (WGS84): 4° 15' North , 61° 45' West
Latitude & Longitude (decimal): 4.25000,-61.75000
GeoHash:G#: d8u04ven0
Locality type:Group of Placers
Köppen climate type:Af : Tropical rainforest climate


No description has been added for this locality. Can you add one?

Regions containing this locality

South America PlateTectonic Plate
South AmericaContinent
Amazonian Craton, South AmericaCraton

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

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

12 valid minerals.

Detailed Mineral List:

Chalcopyrite
Formula: CuFeS2
Reference: USGS Bull 2124
Diamond
Formula: C
Reference: NEWMAN, José Albino et al. Mineralogicalcharacterization of the diamond of the alluvial placer from Icabaru River, Santa Elena de Uairén, Bolivar State, Venezuela. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 472-480.
Diamond var: Carbonado
Formula: C
Reference: NEWMAN, José Albino et al. Mineralogical characterization of the diamond of the alluvial placer from Icabaru River, Santa Elena de Uairén, Bolivar State, Venezuela. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 472-480.
Dolomite
Formula: CaMg(CO3)2
Reference: USGS Bull 2124
Forsterite
Formula: Mg2SiO4
Reference: NEWMAN, José Albino et al. Mineralogicalcharacterization of the diamond of the alluvial placer from Icabaru River, Santa Elena de Uairén, Bolivar State, Venezuela. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 472-480.
Gold
Formula: Au
Gold var: Palladian Gold ?
Formula: (Au,Pd)
Description: When Pd contents are around 5-10% the gold is quite brown and these are not. Larger concentrations of Pd produce white gold which these are not, https://www.mindat.org/locentry-928881.html There are specimens from here that look brown enough to qualify, but so far there is only one unconfirmed analysis. Please see: https://www.mindat.org/mesg-55-118936.html
Reference: Rob Lavinsky
Goyazite
Formula: SrAl3(PO4)(PO3OH)(OH)6
Reference: XRF analysis by Alfredo Petrov
Hematite
Formula: Fe2O3
Reference: USGS Bull 2124
Molybdenite
Formula: MoS2
Reference: USGS Bull 2124
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: USGS Bull 2124
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: USGS Bull 2124
Pyrite
Formula: FeS2
Reference: USGS Bull 2124
Pyrope
Formula: Mg3Al2(SiO4)3
Reference: NEWMAN, José Albino et al. Mineralogicalcharacterization of the diamond of the alluvial placer from Icabaru River, Santa Elena de Uairén, Bolivar State, Venezuela. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 472-480.
Quartz
Formula: SiO2
Reference: USGS Bull 2124
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: USGS Bull 2124

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Diamond1.CB.10aC
var: Carbonado1.CB.10aC
Gold1.AA.05Au
var: Palladian Gold ?1.AA.05(Au,Pd)
Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Dolomite5.AB.10CaMg(CO3)2
Group 8 - Phosphates, Arsenates and Vanadates
Goyazite8.BL.10SrAl3(PO4)(PO3OH)(OH)6
Group 9 - Silicates
Forsterite9.AC.05Mg2SiO4
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Pyrope9.AD.25Mg3Al2(SiO4)3
Unclassified Minerals, Rocks, etc.
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Semi-metals and non-metals
Diamond1.3.6.1C
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 14 - ANHYDROUS NORMAL CARBONATES
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq·xH2O
Goyazite42.7.3.3SrAl3(PO4)(PO3OH)(OH)6
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Forsterite51.3.1.2Mg2SiO4
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Pyrope51.4.3a.1Mg3Al2(SiO4)3
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Diamond
var: Carbonado
-C
Gold
var: Palladian Gold ?
-(Au,Pd)
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H GoyaziteSrAl3(PO4)(PO3OH)(OH)6
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
CCarbon
C DolomiteCaMg(CO3)2
C DiamondC
C Diamond (var: Carbonado)C
OOxygen
O QuartzSiO2
O DolomiteCaMg(CO3)2
O HematiteFe2O3
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O ForsteriteMg2SiO4
O PyropeMg3Al2(SiO4)3
O MuscoviteKAl2(AlSi3O10)(OH)2
O GoyaziteSrAl3(PO4)(PO3OH)(OH)6
MgMagnesium
Mg DolomiteCaMg(CO3)2
Mg ForsteriteMg2SiO4
Mg PyropeMg3Al2(SiO4)3
AlAluminium
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al PyropeMg3Al2(SiO4)3
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al GoyaziteSrAl3(PO4)(PO3OH)(OH)6
SiSilicon
Si QuartzSiO2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si ForsteriteMg2SiO4
Si PyropeMg3Al2(SiO4)3
Si MuscoviteKAl2(AlSi3O10)(OH)2
PPhosphorus
P GoyaziteSrAl3(PO4)(PO3OH)(OH)6
SSulfur
S PyriteFeS2
S ChalcopyriteCuFeS2
S MolybdeniteMoS2
KPotassium
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca DolomiteCaMg(CO3)2
FeIron
Fe PyriteFeS2
Fe ChalcopyriteCuFeS2
Fe HematiteFe2O3
CuCopper
Cu ChalcopyriteCuFeS2
SrStrontium
Sr GoyaziteSrAl3(PO4)(PO3OH)(OH)6
MoMolybdenum
Mo MolybdeniteMoS2
PdPalladium
Pd Gold (var: Palladian Gold)(Au,Pd)
AuGold
Au GoldAu
Au Gold (var: Palladian Gold)(Au,Pd)

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Paleoproterozoic
1600 - 2500 Ma



ID: 3189858
Paleoproterozoic volcanic rocks

Age: Proterozoic (1600 - 2500 Ma)

Lithology: Intermediate-felsic volcanic rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
NEWMAN, José Albino et al. Mineralogicalcharacterization of the diamond of the alluvial placer from Icabaru River, Santa Elena de Uairén, Bolivar State, Venezuela. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 472-480.

Localities in this Region
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