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Itremo, Ambatofinandrahana District, Amoron'i Mania, Madagascari
Regional Level Types
ItremoCommune
Ambatofinandrahana DistrictDistrict
Amoron'i ManiaRegion
MadagascarCountry

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Type:
Mindat Locality ID:
159148
Long-form identifier:
mindat:1:2:159148:7
GUID (UUID V4):
0
Other Languages:
French:
Itremo, District d'Ambatofinandrahana, Amoron'i Mania, Madagascar
Italian:
Itremo, distretto di Ambatofinandrahana, regione di Amoron'i Mania, Madagascar
Malagasy:
Kaominin' Itremo, Distrikan' Ambatofinandrahana, Faritra Amoron'i Mania, Madagasikara
Dutch:
Itremo, Ambatofinandrahana, Amoron'i Mania, Madagaskar


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Standard Detailed Gallery Strunz 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

52 valid minerals. 1 erroneous literature entry.

Rock Types Recorded


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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘ Aegirine
Formula: NaFe3+Si2O6
ⓘ Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
ⓘ Amblygonite
Formula: LiAl(PO4)F
ⓘ 'Amphibole Supergroup'
Formula: AB2C5(T8O22)W2
ⓘ 'Apatite'
Formula: Ca5(PO4)3A
ⓘ Augelite
Formula: Al2(PO4)(OH)3
ⓘ Baryte
Formula: BaSO4
ⓘ 'Bastnäsite'
Formula: (Ce/Nd/Y/REE)(CO3)F
ⓘ Bastnäsite-(Ce)
Formula: Ce(CO3)F
ⓘ Berlinite
Formula: AlPO4
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Cassiterite
Formula: SnO2
ⓘ Celadonite
Formula: K(MgFe3+◻)(Si4O10)(OH)2
Description: The green inclusions in the quartz crystals are showed to be fuchsite, see reference unnder that entry.
ⓘ Celestine
Formula: SrSO4
ⓘ Cerussite
Formula: PbCO3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Chevkinite-(Ce)
Formula: Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
ⓘ 'Chevkinite Group'
ⓘ 'Chlorite Group'
ⓘ Chromite
Formula: Fe2+Cr3+2O4
ⓘ 'Clinopyroxene Subgroup'
ⓘ Cobaltite
Formula: CoAsS
ⓘ Crichtonite
Formula: Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
ⓘ Dumortierite
Formula: Al(Al2O)(Al2O)2(SiO4)3(BO3)
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
ⓘ Fluorapatite var. Manganese-bearing Fluorapatite
Formula: (Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
ⓘ Fluorite
Formula: CaF2
ⓘ Galena
Formula: PbS
ⓘ Gersdorffite
Formula: NiAsS
ⓘ Glaucophane
Formula: ◻Na2(Mg3Al2)Si8O22(OH)2
ⓘ Goyazite
Formula: SrAl3(PO4)(PO3OH)(OH)6
Habit: as a rim of grains around lazulite
ⓘ Graphite
Formula: C
ⓘ Hematite
Formula: Fe2O3
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ 'K Feldspar'
ⓘ Kyanite
Formula: Al2(SiO4)O
Habit: euhedral to subhedral grains
ⓘ Lazulite
Formula: MgAl2(PO4)2(OH)2
ⓘ Magnesio-riebeckite
Formula: ◻Na2(Mg3Fe3+2)(Si8O22)(OH)2
Description: described as Torendrikite
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Magnetite var. Titanium-bearing Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
ⓘ Molybdenite
Formula: MoS2
ⓘ Monazite-(Ce)
Formula: Ce(PO4)
ⓘ 'Monazite Group'
Formula: REE(PO4)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Habit: small grains
Description: Small anhedral inclusions of goyazite is common
ⓘ Muscovite var. Fuchsite
Formula: K(Al,Cr)3Si3O10(OH)2
ⓘ 'Olivine Group'
Formula: M2SiO4
ⓘ 'Orthochevkinite'
Formula: (Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
ⓘ 'Parisite'
Formula: Ca(Ce/La/Nd/REE)2(CO3)3F2
ⓘ Parisite-(Ce)
Formula: CaCe2(CO3)3F2
ⓘ Pentlandite
Formula: (NixFey)Σ9S8
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ 'Psilomelane'
ⓘ 'Pumpellyite Subgroup'
Formula: Ca2XAl2[Si2O6(OH)][SiO4](OH)2A
ⓘ Pyrite
Formula: FeS2
ⓘ Pyromorphite
Formula: Pb5(PO4)3Cl
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
Localities: Reported from at least 7 localities in this region.
ⓘ Quartz var. Amethyst
Formula: SiO2
ⓘ Quartz var. Chalcedony
Formula: SiO2
ⓘ Rheniite
Formula: ReS2
ⓘ Richterite
Formula: Na(CaNa)Mg5(Si8O22)(OH)2
ⓘ Rutile
Formula: TiO2
Description: In alterationproducts after chevkinite or bastnäsite
ⓘ Sphalerite
Formula: ZnS
ⓘ Spinel
Formula: MgAl2O4
ⓘ Svanbergite
Formula: SrAl3(PO4)(SO4)(OH)6
ⓘ Titanite
Formula: CaTiO(SiO4)
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
ⓘ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
ⓘ Trolleite
Formula: Al4(PO4)3(OH)3
Habit: small grains
Description: Found in the grain boundary between goyazite and lazulite
ⓘ Tschermakite
Formula: ◻Ca2(Mg3Al2)(Al2Si6O22)(OH)2
ⓘ Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGraphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
ⓘPentlandite2.BB.15(NixFey)Σ9S8
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘGalena2.CD.10PbS
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
ⓘCobaltite2.EB.25CoAsS
ⓘGersdorffite2.EB.25NiAsS
ⓘRheniite2.EB.35ReS2
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘSpinel4.BB.05MgAl2O4
ⓘMagnetite
var. Titanium-bearing Magnetite
4.BB.05Fe2+(Fe3+,Ti)2O4
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘCrichtonite4.CC.40Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
ⓘQuartz
var. Amethyst
4.DA.05SiO2
ⓘvar. Chalcedony4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘCassiterite4.DB.05SnO2
ⓘRutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
ⓘCerussite5.AB.15PbCO3
ⓘBastnäsite-(Ce)5.BD.20aCe(CO3)F
ⓘParisite-(Ce)5.BD.20bCaCe2(CO3)3F2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
ⓘCelestine7.AD.35SrSO4
Group 8 - Phosphates, Arsenates and Vanadates
ⓘBerlinite8.AA.05AlPO4
ⓘMonazite-(Ce)8.AD.50Ce(PO4)
ⓘAmblygonite8.BB.05LiAl(PO4)F
ⓘLazulite8.BB.40MgAl2(PO4)2(OH)2
ⓘTrolleite8.BB.45Al4(PO4)3(OH)3
ⓘAugelite8.BE.05Al2(PO4)(OH)3
ⓘSvanbergite8.BL.05SrAl3(PO4)(SO4)(OH)6
ⓘGoyazite8.BL.10SrAl3(PO4)(PO3OH)(OH)6
ⓘFluorapatite8.BN.05Ca5(PO4)3F
ⓘvar. Manganese-bearing Fluorapatite8.BN.05(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
ⓘPyromorphite8.BN.05Pb5(PO4)3Cl
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘKyanite9.AF.15Al2(SiO4)O
ⓘTitanite9.AG.15CaTiO(SiO4)
ⓘDumortierite9.AJ.10Al(Al2O)(Al2O)2(SiO4)3(BO3)
ⓘ'Orthochevkinite'9.BE.62(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
ⓘChevkinite-(Ce)9.BE.70Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘAegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
ⓘAegirine9.DA.25NaFe3+Si2O6
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘTremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
ⓘTschermakite9.DE.10◻Ca2(Mg3Al2)(Al2Si6O22)(OH)2
ⓘRichterite9.DE.20Na(CaNa)Mg5(Si8O22)(OH)2
ⓘGlaucophane9.DE.25◻Na2(Mg3Al2)Si8O22(OH)2
ⓘMagnesio-riebeckite9.DE.25◻Na2(Mg3Fe3+2)(Si8O22)(OH)2
ⓘCeladonite ?9.EC.15K(MgFe3+◻)(Si4O10)(OH)2
ⓘMuscovite
var. Fuchsite
9.EC.15K(Al,Cr)3Si3O10(OH)2
ⓘ9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5(T8O22)W2
ⓘ'Bastnäsite'-(Ce/Nd/Y/REE)(CO3)F
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Monazite Group'-REE(PO4)
ⓘ'Psilomelane'-
ⓘ'Pumpellyite Subgroup'-Ca2XAl2[Si2O6(OH)][SiO4](OH)2A
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
ⓘ'Parisite'-Ca(Ce/La/Nd/REE)2(CO3)3F2
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'K Feldspar'-
ⓘ'Apatite'-Ca5(PO4)3A
ⓘ'Olivine Group'-M2SiO4
ⓘ'Chevkinite Group'-

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ AugeliteAl2(PO4)(OH)3
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Hⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Hⓘ Glaucophane◻Na2(Mg3Al2)Si8O22(OH)2
Hⓘ GoyaziteSrAl3(PO4)(PO3OH)(OH)6
Hⓘ LazuliteMgAl2(PO4)2(OH)2
Hⓘ Magnesio-riebeckite◻Na2(Mg3Fe23+)(Si8O22)(OH)2
Hⓘ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Hⓘ RichteriteNa(CaNa)Mg5(Si8O22)(OH)2
Hⓘ SvanbergiteSrAl3(PO4)(SO4)(OH)6
Hⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hⓘ TrolleiteAl4(PO4)3(OH)3
Hⓘ Tschermakite◻Ca2(Mg3Al2)(Al2Si6O22)(OH)2
LiLithium
Liⓘ AmblygoniteLiAl(PO4)F
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
BBoron
Bⓘ DumortieriteAl(Al2O)(Al2O)2(SiO4)3(BO3)
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
CCarbon
Cⓘ Bastnäsite-(Ce)Ce(CO3)F
Cⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Cⓘ CerussitePbCO3
Cⓘ GraphiteC
Cⓘ Parisite-(Ce)CaCe2(CO3)3F2
Cⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ AegirineNaFe3+Si2O6
Oⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Oⓘ AmblygoniteLiAl(PO4)F
Oⓘ Quartz var. AmethystSiO2
Oⓘ Amphibole SupergroupAB2C5(T8O22)W2
Oⓘ AugeliteAl2(PO4)(OH)3
Oⓘ BaryteBaSO4
Oⓘ Bastnäsite-(Ce)Ce(CO3)F
Oⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Oⓘ BerliniteAlPO4
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ CassiteriteSnO2
Oⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Oⓘ CelestineSrSO4
Oⓘ CerussitePbCO3
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Oⓘ DumortieriteAl(Al2O)(Al2O)2(SiO4)3(BO3)
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Oⓘ Glaucophane◻Na2(Mg3Al2)Si8O22(OH)2
Oⓘ GoyaziteSrAl3(PO4)(PO3OH)(OH)6
Oⓘ HematiteFe2O3
Oⓘ IlmeniteFe2+TiO3
Oⓘ KyaniteAl2(SiO4)O
Oⓘ LazuliteMgAl2(PO4)2(OH)2
Oⓘ Magnesio-riebeckite◻Na2(Mg3Fe23+)(Si8O22)(OH)2
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
Oⓘ Monazite GroupREE(PO4)
Oⓘ Monazite-(Ce)Ce(PO4)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ Parisite-(Ce)CaCe2(CO3)3F2
Oⓘ Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Oⓘ PyromorphitePb5(PO4)3Cl
Oⓘ QuartzSiO2
Oⓘ RichteriteNa(CaNa)Mg5(Si8O22)(OH)2
Oⓘ RutileTiO2
Oⓘ SpinelMgAl2O4
Oⓘ SvanbergiteSrAl3(PO4)(SO4)(OH)6
Oⓘ TitaniteCaTiO(SiO4)
Oⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oⓘ TrolleiteAl4(PO4)3(OH)3
Oⓘ Tschermakite◻Ca2(Mg3Al2)(Al2Si6O22)(OH)2
Oⓘ ZirconZr(SiO4)
Oⓘ Chevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Oⓘ Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
Oⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ ApatiteCa5(PO4)3A
Oⓘ Olivine GroupM2SiO4
FFluorine
Fⓘ AmblygoniteLiAl(PO4)F
Fⓘ Bastnäsite-(Ce)Ce(CO3)F
Fⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluorapatiteCa5(PO4)3F
Fⓘ FluoriteCaF2
Fⓘ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
Fⓘ Parisite-(Ce)CaCe2(CO3)3F2
Fⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
NaSodium
Naⓘ AegirineNaFe3+Si2O6
Naⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Naⓘ Glaucophane◻Na2(Mg3Al2)Si8O22(OH)2
Naⓘ Magnesio-riebeckite◻Na2(Mg3Fe23+)(Si8O22)(OH)2
Naⓘ RichteriteNa(CaNa)Mg5(Si8O22)(OH)2
Naⓘ Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Mgⓘ Glaucophane◻Na2(Mg3Al2)Si8O22(OH)2
Mgⓘ LazuliteMgAl2(PO4)2(OH)2
Mgⓘ Magnesio-riebeckite◻Na2(Mg3Fe23+)(Si8O22)(OH)2
Mgⓘ RichteriteNa(CaNa)Mg5(Si8O22)(OH)2
Mgⓘ SpinelMgAl2O4
Mgⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Mgⓘ Tschermakite◻Ca2(Mg3Al2)(Al2Si6O22)(OH)2
Mgⓘ Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
AlAluminium
Alⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Alⓘ AmblygoniteLiAl(PO4)F
Alⓘ AugeliteAl2(PO4)(OH)3
Alⓘ BerliniteAlPO4
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ DumortieriteAl(Al2O)(Al2O)2(SiO4)3(BO3)
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Alⓘ Glaucophane◻Na2(Mg3Al2)Si8O22(OH)2
Alⓘ GoyaziteSrAl3(PO4)(PO3OH)(OH)6
Alⓘ KyaniteAl2(SiO4)O
Alⓘ LazuliteMgAl2(PO4)2(OH)2
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Alⓘ SpinelMgAl2O4
Alⓘ SvanbergiteSrAl3(PO4)(SO4)(OH)6
Alⓘ TrolleiteAl4(PO4)3(OH)3
Alⓘ Tschermakite◻Ca2(Mg3Al2)(Al2Si6O22)(OH)2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ AegirineNaFe3+Si2O6
Siⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Siⓘ Quartz var. AmethystSiO2
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ DumortieriteAl(Al2O)(Al2O)2(SiO4)3(BO3)
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Siⓘ Glaucophane◻Na2(Mg3Al2)Si8O22(OH)2
Siⓘ KyaniteAl2(SiO4)O
Siⓘ Magnesio-riebeckite◻Na2(Mg3Fe23+)(Si8O22)(OH)2
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Siⓘ QuartzSiO2
Siⓘ RichteriteNa(CaNa)Mg5(Si8O22)(OH)2
Siⓘ TitaniteCaTiO(SiO4)
Siⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siⓘ Tschermakite◻Ca2(Mg3Al2)(Al2Si6O22)(OH)2
Siⓘ ZirconZr(SiO4)
Siⓘ Chevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Siⓘ Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Olivine GroupM2SiO4
PPhosphorus
Pⓘ AmblygoniteLiAl(PO4)F
Pⓘ AugeliteAl2(PO4)(OH)3
Pⓘ BerliniteAlPO4
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ GoyaziteSrAl3(PO4)(PO3OH)(OH)6
Pⓘ LazuliteMgAl2(PO4)2(OH)2
Pⓘ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
Pⓘ Monazite GroupREE(PO4)
Pⓘ Monazite-(Ce)Ce(PO4)
Pⓘ PyromorphitePb5(PO4)3Cl
Pⓘ SvanbergiteSrAl3(PO4)(SO4)(OH)6
Pⓘ TrolleiteAl4(PO4)3(OH)3
Pⓘ ApatiteCa5(PO4)3A
SSulfur
Sⓘ BaryteBaSO4
Sⓘ CelestineSrSO4
Sⓘ ChalcopyriteCuFeS2
Sⓘ CobaltiteCoAsS
Sⓘ GalenaPbS
Sⓘ GersdorffiteNiAsS
Sⓘ MolybdeniteMoS2
Sⓘ Pentlandite(NixFey)Σ9S8
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
Sⓘ SvanbergiteSrAl3(PO4)(SO4)(OH)6
Sⓘ RheniiteReS2
ClChlorine
Clⓘ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
Clⓘ PyromorphitePb5(PO4)3Cl
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Kⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ FluoriteCaF2
Caⓘ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
Caⓘ Parisite-(Ce)CaCe2(CO3)3F2
Caⓘ Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Caⓘ RichteriteNa(CaNa)Mg5(Si8O22)(OH)2
Caⓘ TitaniteCaTiO(SiO4)
Caⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Caⓘ Tschermakite◻Ca2(Mg3Al2)(Al2Si6O22)(OH)2
Caⓘ Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
Caⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ ApatiteCa5(PO4)3A
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ RutileTiO2
Tiⓘ TitaniteCaTiO(SiO4)
Tiⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Tiⓘ Chevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Tiⓘ Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
VVanadium
Vⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
Crⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Crⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
MnManganese
Mnⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Mnⓘ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ AegirineNaFe3+Si2O6
Feⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Feⓘ ChalcopyriteCuFeS2
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ HematiteFe2O3
Feⓘ IlmeniteFe2+TiO3
Feⓘ Magnesio-riebeckite◻Na2(Mg3Fe23+)(Si8O22)(OH)2
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ Pentlandite(NixFey)Σ9S8
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Feⓘ Chevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Feⓘ Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
CoCobalt
Coⓘ CobaltiteCoAsS
NiNickel
Niⓘ GersdorffiteNiAsS
Niⓘ Pentlandite(NixFey)Σ9S8
CuCopper
Cuⓘ ChalcopyriteCuFeS2
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ CobaltiteCoAsS
Asⓘ GersdorffiteNiAsS
SrStrontium
Srⓘ CelestineSrSO4
Srⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Srⓘ GoyaziteSrAl3(PO4)(PO3OH)(OH)6
Srⓘ SvanbergiteSrAl3(PO4)(SO4)(OH)6
YYttrium
Yⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Yⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
ZrZirconium
Zrⓘ ZirconZr(SiO4)
MoMolybdenum
Moⓘ MolybdeniteMoS2
SnTin
Snⓘ CassiteriteSnO2
BaBarium
Baⓘ BaryteBaSO4
LaLanthanum
Laⓘ Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
Laⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
CeCerium
Ceⓘ Bastnäsite-(Ce)Ce(CO3)F
Ceⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Ceⓘ Monazite-(Ce)Ce(PO4)
Ceⓘ Parisite-(Ce)CaCe2(CO3)3F2
Ceⓘ Chevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Ceⓘ Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
Ceⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
NdNeodymium
Ndⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Ndⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
ReRhenium
Reⓘ RheniiteReS2
PbLead
Pbⓘ CerussitePbCO3
Pbⓘ GalenaPbS
Pbⓘ PyromorphitePb5(PO4)3Cl
ThThorium
Thⓘ Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
UUranium
Uⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38

Geochronology

Mineralization age: Neoproterozoic : 800 Ma to 570 ± 1 Ma

Important note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic TimeRocks, Minerals and Events
Precambrian
 Proterozoic
  Neoproterozoic
   Ediacaran
ⓘ Zircon570 ± 1 MaMarovoalavo, Itremo, Ambatofinandrahana District, Amoron'i Mania, Madagascar
    
    
   Tonian
ⓘ Gabbro791.2 ± 0.8 MaNorth Ifasina area, Itremo, Ambatofinandrahana District, Amoron'i Mania, Madagascar
ⓘ Orthogneiss800 MaImorona valley, Itremo, Ambatofinandrahana District, Amoron'i Mania, Madagascar

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Itremo
Wikidata ID:Q3155987
GeoNames ID:1063896

Localities in this Region

Other Regions, Features and Areas that Intersect

AfricaContinent
African Plate
Madagascar
Somali PlateTectonic Plate

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