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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

38 valid minerals. 1 erroneous literature entry.

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

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Alphabetical List Tree Diagram

Detailed Mineral List:

Aegirine
Formula: NaFe3+Si2O6
Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Amblygonite
Formula: LiAl(PO4)F
'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
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'
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
Glaucophane
Formula: ◻[Na2][Mg3Al2]Si8O22(OH)2
Goyazite
Formula: SrAl3(PO4)(PO3OH)(OH)6
Habit: as a rim of grains around lazulite
Hematite
Formula: Fe2O3
'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
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
'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
'Psilomelane'
'Pumpellyite Subgroup'
Formula: Ca2XAl2[Si2O6(OH)][SiO4](OH)2A
Pyrite
Formula: FeS2
Pyromorphite
Formula: Pb5(PO4)3Cl
Quartz
Formula: SiO2
Localities: Reported from at least 7 localities in this region.
Quartz var. Amethyst
Formula: SiO2
Quartz var. Chalcedony
Formula: SiO2
Richterite
Formula: Na(NaCa)Mg5(Si8O22)(OH)2
Rutile
Formula: TiO2
Description: In alterationproducts after chevkinite or bastnäsite
Svanbergite
Formula: SrAl3(PO4)(SO4)(OH)6
'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
Trolleite
Formula: Al4(PO4)3(OH)3
Habit: small grains
Description: Found in the grain boundary between goyazite and lazulite
Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Hematite4.CB.05Fe2O3
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
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
Richterite9.DE.20Na(NaCa)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((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'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
'K Feldspar'-
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Chevkinite Group'-

List of minerals for each chemical element

HHydrogen
H Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)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(NaCa)Mg5(Si8O22)(OH)2
H SvanbergiteSrAl3(PO4)(SO4)(OH)6
H TrolleiteAl4(PO4)3(OH)3
H ApatiteCa5(PO4)3(Cl/F/OH)
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 Parisite-(Ce)CaCe2(CO3)3F2
C ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
OOxygen
O AegirineNaFe3+Si2O6
O Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
O AmblygoniteLiAl(PO4)F
O Quartz var. AmethystSiO2
O Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
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 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 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(NaCa)Mg5(Si8O22)(OH)2
O RutileTiO2
O SvanbergiteSrAl3(PO4)(SO4)(OH)6
O TourmalineAD3G6(T6O18)(BO3)3X3Z
O TrolleiteAl4(PO4)3(OH)3
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 ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
F AmblygoniteLiAl(PO4)F
F Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
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
F ApatiteCa5(PO4)3(Cl/F/OH)
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(NaCa)Mg5(Si8O22)(OH)2
Na Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
MgMagnesium
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(NaCa)Mg5(Si8O22)(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 Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
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 SvanbergiteSrAl3(PO4)(SO4)(OH)6
Al TrolleiteAl4(PO4)3(OH)3
SiSilicon
Si AegirineNaFe3+Si2O6
Si Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Si Quartz var. AmethystSiO2
Si Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
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(NaCa)Mg5(Si8O22)(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
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)3(Cl/F/OH)
SSulfur
S BaryteBaSO4
S CelestineSrSO4
S ChalcopyriteCuFeS2
S GalenaPbS
S MolybdeniteMoS2
S PyriteFeS2
S SvanbergiteSrAl3(PO4)(SO4)(OH)6
ClChlorine
Cl Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
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
Cl ApatiteCa5(PO4)3(Cl/F/OH)
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 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(NaCa)Mg5(Si8O22)(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 ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Ti Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
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 RutileTiO2
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 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 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 CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe HematiteFe2O3
Fe Magnesio-riebeckite◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
Fe Chevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Fe Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
CuCopper
Cu ChalcopyriteCuFeS2
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
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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To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
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