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Guaniamo, Bolívar, Venezuelai
Regional Level Types
Guaniamo- not defined -
BolívarState
VenezuelaCountry

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Key
Latitude & Longitude (WGS84):
7° 12' North , 65° 43' West
Latitude & Longitude (decimal):
Köppen climate type:


Diamond mining both from kimberlites and placer operations in streams and rivers. The area has produced up to 25-30 million carats of diamonds up to 60 carats in size.

GPS coordinates are currently provisionally set for the Rio Guaniamo.

Another locality with a similar name is the Serrania Guaniamo located at 5°55'0" N 66°7'0" W.

Select Mineral List Type

Standard Detailed Gallery Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

18 valid minerals.

Rock Types Recorded

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

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Sharygin, V. V., Sobolev, N. V., & Channer, D. M. D. (2009). Oscillatory-zoned crystals of pyrochlore-group minerals from the Guaniamo kimberlites, Venezuela. Lithos, 112, 976-985.
Calcite
Formula: CaCO3
Reference: Sharygin, V. V., Sobolev, N. V., & Channer, D. M. D. (2009). Oscillatory-zoned crystals of pyrochlore-group minerals from the Guaniamo kimberlites, Venezuela. Lithos, 112, 976-985.
'Chrome-Spinel (of Dana)'
Reference: Canadian Mineralogist (2000) Vol. 38, pp. 1347-137
Chromite
Formula: Fe2+Cr3+2O4
Reference: Zdenek, J., Ohnenstetter, D. (2010) Zincochromite from the Guaniamo River diamondiferous placers, Venezuela: evidence of its metasomatic origin. The Canadian Mineralogist, 48:2, 361-374.
Coesite
Formula: SiO2
Reference: Canadian Mineralogist 38:1347-1370
Diamond
Formula: C
Localities: Reported from at least 9 localities in this region.
Reference: Canadian Mineralogist 38:1347-1370
Dolomite
Formula: CaMg(CO3)2
Reference: Sharygin, V. V., Sobolev, N. V., & Channer, D. M. D. (2009). Oscillatory-zoned crystals of pyrochlore-group minerals from the Guaniamo kimberlites, Venezuela. Lithos, 112, 976-985.
'Fayalite-Forsterite Series'
Reference: Canadian Mineralogist (2000) Vol. 38, pp. 1347-137
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Canadian Mineralogist (2000) Vol. 38, pp. 1347-137
Ilmenite
Formula: Fe2+TiO3
Reference: Canadian Mineralogist (2000) Vol. 38, pp. 1347-137
Magnesiochromite
Formula: MgCr2O4
Reference: Zdenek, J., Ohnenstetter, D. (2010) Zincochromite from the Guaniamo River diamondiferous placers, Venezuela: evidence of its metasomatic origin. The Canadian Mineralogist, 48:2, 361-374.
Magnesite
Formula: MgCO3
Reference: Sharygin, V. V., Sobolev, N. V., & Channer, D. M. D. (2009). Oscillatory-zoned crystals of pyrochlore-group minerals from the Guaniamo kimberlites, Venezuela. Lithos, 112, 976-985.
Omphacite
Formula: (NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
Reference: Canadian Mineralogist (2000) Vol. 38, pp. 1347-137
Periclase
Formula: MgO
Reference: Canadian Mineralogist (2000) Vol. 38, pp. 1347-137
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: Sharygin, V. V., Sobolev, N. V., & Channer, D. M. D. (2009). Oscillatory-zoned crystals of pyrochlore-group minerals from the Guaniamo kimberlites, Venezuela. Lithos, 112, 976-985.
'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
Reference: Sharygin, V. V., Sobolev, N. V., & Channer, D. M. D. (2009). Oscillatory-zoned crystals of pyrochlore-group minerals from the Guaniamo kimberlites, Venezuela. Lithos, 112, 976-985.
Pyrope
Formula: Mg3Al2(SiO4)3
Reference: Canadian Mineralogist (2000) Vol. 38, pp. 1347-137
Pyrrhotite
Formula: Fe1-xS
Reference: Canadian Mineralogist (2000) Vol. 38, pp. 1347-137
Rutile
Formula: TiO2
Reference: Canadian Mineralogist (2000) Vol. 38, pp. 1347-137
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Reference: Sharygin, V. V., Sobolev, N. V., & Channer, D. M. D. (2009). Oscillatory-zoned crystals of pyrochlore-group minerals from the Guaniamo kimberlites, Venezuela. Lithos, 112, 976-985.
Spinel
Formula: MgAl2O4
Reference: Canadian Mineralogist (2000) Vol. 38, pp. 1347-137
Tetraferriphlogopite
Formula: KMg3(Fe3+Si3O10)(OH,F)2
Reference: Sharygin, V. V., Sobolev, N. V., & Channer, D. M. D. (2009). Oscillatory-zoned crystals of pyrochlore-group minerals from the Guaniamo kimberlites, Venezuela. Lithos, 112, 976-985.
Yimengite
Formula: K(Cr,Ti,Fe,Mg)12O19
Reference: Nixon, P. H., & Condliffe, E. (1989). Yimengite of K–Ti metasomatic origin in kimberlitic rocks from Venezuela. Mineralogical Magazine. 53:305-309
Zincochromite
Formula: ZnCr2O4
Reference: Zdenek, J., Ohnenstetter, D. (2010) Zincochromite from the Guaniamo River diamondiferous placers, Venezuela: evidence of its metasomatic origin. The Canadian Mineralogist, 48:2, 361-374.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Diamond1.CB.10aC
Group 2 - Sulphides and Sulfosalts
Pyrrhotite2.CC.10Fe1-xS
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Coesite4.DA.35SiO2
Ilmenite4.CB.05Fe2+TiO3
Magnesiochromite4.BB.05MgCr2O4
Periclase4.AB.25MgO
'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
Rutile4.DB.05TiO2
Spinel4.BB.05MgAl2O4
Yimengite4.CC.45K(Cr,Ti,Fe,Mg)12O19
Zincochromite4.BB.05ZnCr2O4
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Magnesite5.AB.05MgCO3
Group 9 - Silicates
Omphacite9.DA.20(NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Pyrope9.AD.25Mg3Al2(SiO4)3
Tetraferriphlogopite9.EC.20KMg3(Fe3+Si3O10)(OH,F)2
Unclassified Minerals, Rocks, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Chrome-Spinel (of Dana)'-
'Fayalite-Forsterite Series'-
'Garnet Group'-X3Z2(SiO4)3
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Diamond1.3.6.1C
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe1-xS
Group 4 - SIMPLE OXIDES
AX
Periclase4.2.1.1MgO
A2X3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Magnesiochromite7.2.3.1MgCr2O4
Spinel7.2.1.1MgAl2O4
Zincochromite7.2.3.6ZnCr2O4
AB12X19
Yimengite7.4.1.2K(Cr,Ti,Fe,Mg)12O19
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
A2B2O6(O,OH,F)
'Pyrochlore Group'8.2.1.1A2Nb2(O,OH)6Z
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Magnesite14.1.1.2MgCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Pyrope51.4.3a.1Mg3Al2(SiO4)3
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Omphacite65.1.3b.1(NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Coesite75.1.4.1SiO2
Unclassified Minerals, Mixtures, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Chrome-Spinel (of Dana)'-
'Fayalite-Forsterite Series'-
'Garnet Group'-X3Z2(SiO4)3
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Tetraferriphlogopite-KMg3(Fe3+Si3O10)(OH,F)2

List of minerals for each chemical element

HHydrogen
H TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
H PhlogopiteKMg3(AlSi3O10)(OH)2
H Pyrochlore GroupA2Nb2(O,OH)6Z
H Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
H ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
C DiamondC
C MagnesiteMgCO3
C DolomiteCaMg(CO3)2
C CalciteCaCO3
OOxygen
O Garnet GroupX3Z2(SiO4)3
O Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
O RutileTiO2
O IlmeniteFe2+TiO3
O PyropeMg3Al2(SiO4)3
O CoesiteSiO2
O PericlaseMgO
O ZincochromiteZnCr2O4
O ChromiteFe2+Cr23+O4
O MagnesiochromiteMgCr2O4
O YimengiteK(Cr,Ti,Fe,Mg)12O19
O SpinelMgAl2O4
O TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
O PhlogopiteKMg3(AlSi3O10)(OH)2
O Pyrochlore GroupA2Nb2(O,OH)6Z
O Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
O MagnesiteMgCO3
O DolomiteCaMg(CO3)2
O ApatiteCa5(PO4)3(Cl/F/OH)
O CalciteCaCO3
FFluorine
F TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
MgMagnesium
Mg Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Mg PyropeMg3Al2(SiO4)3
Mg PericlaseMgO
Mg MagnesiochromiteMgCr2O4
Mg YimengiteK(Cr,Ti,Fe,Mg)12O19
Mg SpinelMgAl2O4
Mg TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Mg MagnesiteMgCO3
Mg DolomiteCaMg(CO3)2
AlAluminium
Al Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Al PyropeMg3Al2(SiO4)3
Al SpinelMgAl2O4
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
SiSilicon
Si Garnet GroupX3Z2(SiO4)3
Si Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Si PyropeMg3Al2(SiO4)3
Si CoesiteSiO2
Si TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S PyrrhotiteFe1-xS
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K YimengiteK(Cr,Ti,Fe,Mg)12O19
K TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Ca DolomiteCaMg(CO3)2
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca CalciteCaCO3
TiTitanium
Ti RutileTiO2
Ti IlmeniteFe2+TiO3
Ti YimengiteK(Cr,Ti,Fe,Mg)12O19
CrChromium
Cr ZincochromiteZnCr2O4
Cr ChromiteFe2+Cr23+O4
Cr MagnesiochromiteMgCr2O4
Cr YimengiteK(Cr,Ti,Fe,Mg)12O19
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Fe IlmeniteFe2+TiO3
Fe PyrrhotiteFe1-xS
Fe ChromiteFe2+Cr23+O4
Fe YimengiteK(Cr,Ti,Fe,Mg)12O19
Fe TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
Fe Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
NiNickel
Ni Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Zn ZincochromiteZnCr2O4
Zn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
NbNiobium
Nb Pyrochlore GroupA2Nb2(O,OH)6Z

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Kaminsky, Felix V., Zakharchenko, Olga D., Griffin, William L., DeR. Channer, Dominic M., Khachatryan-Blinova, Galina K. (2000) Diamond from the Guaniamo area, Venezuela. Canadian Mineralogist, 38(6), 1347-1370.
Channer, D.M.D., Egorov, A., Kaminsky, F. (2017) Geology and structure of the Guaniamo diamondiferous kimberlite sheets, south-west Venezuela. Revista Brasileira de Geociências, 31(4), 615-630.

External Links


Localities in this Region

Other Regions, Features and Areas containing this locality


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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