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Itasy, Madagascari
Regional Level Types
ItasyRegion
MadagascarCountry

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PhotosMapsSearch
08896930017272271156279.jpg
View of the Vohiambo gold mining area, ca. 1907.

Vohiambo gold mine, Arivonimamo District, Itasy, Madagascar
01096620017272271179252.jpg
View of the Vohiambo gold mining area, ca. 1907.

Vohiambo gold mine, Arivonimamo District, Itasy, Madagascar
08397420017272271172935.jpg
View of the Vohinambo gold mining area, ca. 1907.

Vohiambo gold mine, Arivonimamo District, Itasy, Madagascar
08896930017272271156279.jpg
View of the Vohiambo gold mining area, ca. 1907.

Vohiambo gold mine, Arivonimamo District, Itasy, Madagascar
01096620017272271179252.jpg
View of the Vohiambo gold mining area, ca. 1907.

Vohiambo gold mine, Arivonimamo District, Itasy, Madagascar
08397420017272271172935.jpg
View of the Vohinambo gold mining area, ca. 1907.

Vohiambo gold mine, Arivonimamo District, Itasy, Madagascar
08896930017272271156279.jpg
View of the Vohiambo gold mining area, ca. 1907.

Vohiambo gold mine, Arivonimamo District, Itasy, Madagascar
01096620017272271179252.jpg
View of the Vohiambo gold mining area, ca. 1907.

Vohiambo gold mine, Arivonimamo District, Itasy, Madagascar
Type:
Largest Settlements:
PlacePopulation
Soavinandriana40,453 (2018)
Arivonimamo21,982 (2018)
Mindat Locality ID:
157488
Long-form identifier:
mindat:1:2:157488:6
GUID (UUID V4):
0
Other Languages:
French:
Itasy, Madagascar
German:
Itasy, Madagaskar
Italian:
Regione di Itasy, Madagascar
Malagasy:
Faritr'Itasy, Madagasikara
Russian:
Итаcи, Мадагаскар
Simplified Chinese:
伊達西區, 马达加斯加
Spanish:
Región de Itasy, Madagascar
Arabic:
منطقة إيتاسي, مدغشقر
Bengali:
ইটাসি, মাদাগাস্কার
Breton:
Itasy, Madagaskar
Bulgarian:
Итаси, Мадагаскар
Cebuano:
Itasy Region, Madagascar
Danish:
Itasy, Madagaskar
Dutch:
Itasy, Madagaskar
Farsi/Persian:
ایتاسی, ماداگاسکار
Finnish:
Itasy, Madagaskar
Greek:
Ιτάσι, Μαδαγασκάρη
Gujarati:
ઇટેસી, મડાગાસ્કર
Hindi:
इटैसी, मेडागास्कर
Indonesian:
Kawasan Itasy, Madagaskar
Japanese:
イタシ地域圏, マダガスカル
Kannada:
ಇಟಾಸಿ, ಮಡಗಾಸ್ಕರ್
Korean:
이타시 구, 마다가스카르
Latvian:
Itasi prefektūra, Madagaskara
Lithuanian:
Isijo regionas, Madagaskaras
Malay:
Itasy, Madagaskar
Malayalam:
ഇറ്റസി മേഖല, മഡഗാസ്കർ
Marathi:
इटॅसी, मादागास्कर
Minnan / Hokkien-Taiwanese:
Itasy Khu
Norwegian:
Itasy, Madagaskar
Polish:
Itasy, Madagaskar
Portuguese:
Itasy, Madagáscar
Romanian:
Regiunea Itasy, Madagascar
Serbo-Croatian:
Regija Itasi, Madagaskar
Sinhalese:
ඉටසි, මැඩගස්කරය
Swahili:
Itasy, Madagaska
Swedish:
Itasyregionen, Madagaskar
Tamil:
இட்டசி, மடகாசுகர்
Telugu:
ఇటాసీ, మడగాస్కర్
Thai:
ไอเทซี, ประเทศมาดากัสการ์
Turkish:
Itasy, Madagaskar
Ukrainian:
Ітасі, Мадагаскар
Urdu:
ایتاسی علاقہ, مڈغاسکر
Vietnamese:
Itasy, Madagascar


Previously part of Antananarivo Province.

Select Mineral List Type

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

42 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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Aeschynite-(Y)
Formula: Y(TiNb)O6
Description: Described as "priorite"
Albite
Formula: Na(AlSi3O8)
Albite var. Andesine
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Albite var. Anorthoclase
Formula: (Na,K)AlSi3O8
Albite var. Cleavelandite
Formula: Na(AlSi3O8)
Albite var. Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Albite var. Pericline
Formula: Na(AlSi3O8)
'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
Habit: as masses, often rod-like
Description: Described as "orthite". Often altered to a reddish pulverulent substance.
'Almandine-Spessartine Series'
Anatase
Formula: TiO2
Description: Variety xanthitane. Found as microscopic crystals in pseudomorphs after titanite.
Anatase var. Xanthitane
Formula: TiO2
Anorthite
Formula: Ca(Al2Si2O8)
Anorthite var. Labradorite
Formula: (Ca,Na)[Al(Al,Si)Si2O8]
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Aragonite
Formula: CaCO3
Description: white oolitic blocks, var ctypeite or as zoned fibro-radial blocks
Aragonite var. Ctypéite
Formula: CaCO3
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Augite var. Titanium-bearing Augite
Formula: (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Bertrandite
Formula: Be4(Si2O7)(OH)2
Description: Small mm-sized crystals found in a corroded cavity in beryl
Beryl
Formula: Be3Al2(Si6O18)
Localities: Reported from at least 6 localities in this region.
Beryl var. Aquamarine
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Localities: Reported from at least 10 localities in this region.
Bismuthinite
Formula: Bi2S3
Description: Pseudomorphed to bismutite
Bismutite
Formula: (BiO)2CO3
'Chabazite'
Chevkinite-(Ce)
Formula: Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Churchite-(Y)
Formula: Y(PO4) · 2H2O
'Columbite-(Fe)-Columbite-(Mn) Series'
'Columbite-Tantalite'
Cosalite
Formula: Pb2Bi2S5
Enstatite
Formula: Mg2Si2O6
Enstatite var. Bronzite
Formula: (Mg,Fe2+)2[SiO3]2
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Colour: black
Description: Prismatic epidote crystals, up to 7mm, found in the sand at the bottom of the waterfall
Euclase
Formula: BeAl(SiO4)(OH)
Euxenite-(Y)
Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Localities: Reported from at least 9 localities in this region.
'Fayalite-Forsterite Series'
'Feldspar Group'
Description: Giant crystals of perthite measuring 190 x 50m (!)has been observed here
'Feldspar Group var. Perthite'
Description: Giant crystals of perthite measuring 190 x 50m (!)has been observed here
'Fergusonite'
Fergusonite-(Y)
Formula: YNbO4
Fluorapatite
Formula: Ca5(PO4)3F
Galena
Formula: PbS
'Garnet Group'
Formula: X3Z2(SiO4)3
Graphite
Formula: C
Haüyne
Formula: Na3Ca(Si3Al3)O12(SO4)
Hematite
Formula: Fe2O3
'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
Magnetite
Formula: Fe2+Fe3+2O4
Magnetite var. Titanium-bearing Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
Microcline
Formula: K(AlSi3O8)
Localities: Reported from at least 10 localities in this region.
Microcline var. Amazonite
Formula: K(AlSi3O8)
'Microlite Group'
Formula: A2-mTa2X6-wZ-n
'Monazite Group'
Formula: REE(PO4)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Native Gold
Formula: Au
Nepheline
Formula: Na3K(Al4Si4O16)
Nosean
Formula: Na8(Al6Si6O24)(SO4) · H2O
'Phillipsite Subgroup'
Formula: (Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Pyrite
Formula: FeS2
'Pyrochlore Supergroup'
Formula: A2-mD2X6-wZ1-n
Localities: Reported from at least 13 localities in this region.
Description: The betafites occurs in pockets in biotite
'Pyrochlore Supergroup var. Betafite (of Hogarth 1977)'
Formula: (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Localities: Reported from at least 13 localities in this region.
Pyromorphite
Formula: Pb5(PO4)3Cl
'Pyroxene Group'
Formula: ADSi2O6
Quartz
Formula: SiO2
Localities: Reported from at least 11 localities in this region.
Quartz var. Amethyst
Formula: SiO2
Quartz var. Smoky Quartz
Formula: SiO2
Rutile
Formula: TiO2
Description: As pseudomorphs after titanite. The pseudomorphs consists (in parts) of microscopic rutile crystals
Samarskite-(Y)
Formula: YFe3+Nb2O8
Spessartine
Formula: Mn2+3Al2(SiO4)3
Description: altered
Tengerite-(Y)
Formula: Y2(CO3)3 · 2-3H2O
Description: Showed to be churchite (Behier 1960b)
Thorite
Formula: Th(SiO4)
Localities: Reported from at least 9 localities in this region.
Thorite var. Ferrithorite
Formula: (Th,Fe3+)[Si(O,OH)4]
Thorite var. Orangite
Formula: Th(SiO4)
Localities: Reported from at least 7 localities in this region.
Thorite var. Thorogummite
Formula: (Th,U)(SiO4)1-x(OH)4x
Thorite var. Uranothorite
Formula: (Th,U)SiO4
Titanite
Formula: CaTi(SiO4)O
Description: Described as "Sphene". Also pseudomorphs after sphene crystals (up to 5 cm large)
Topaz
Formula: Al2(SiO4)(F,OH)2
'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
Vermiculite
Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Xenotime-(Y)
Formula: Y(PO4)
Zircon
Formula: Zr(SiO4)
Localities: Reported from at least 8 localities in this region.
Zircon var. Cyrtolite
Formula: Zr[(SiO4),(OH)4]
Zircon var. Malacon
Formula: Zr(SiO4)
Localities: Reported from at least 7 localities in this region.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Gold1.AA.05Au
Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
Galena2.CD.10PbS
Bismuthinite2.DB.05Bi2S3
Pyrite2.EB.05aFeS2
Cosalite2.JB.10Pb2Bi2S5
Group 4 - Oxides and Hydroxides
'Microlite Group'4.00.A2-mTa2X6-wZ-n
Magnetite4.BB.05Fe2+Fe3+2O4
var. Titanium-bearing Magnetite4.BB.05Fe2+(Fe3+,Ti)2O4
Hematite4.CB.05Fe2O3
Quartz
var. Amethyst
4.DA.05SiO2
4.DA.05SiO2
var. Smoky Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Samarskite-(Y)4.DB.25YFe3+Nb2O8
Anatase4.DD.05TiO2
var. Xanthitane4.DD.05TiO2
Aeschynite-(Y)4.DF.05Y(TiNb)O6
Euxenite-(Y)4.DG.05(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
var. Ctypéite5.AB.15CaCO3
Bismutite5.BE.25(BiO)2CO3
Tengerite-(Y) ?5.CC.10Y2(CO3)3 · 2-3H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Fergusonite-(Y)7.GA.05YNbO4
Group 8 - Phosphates, Arsenates and Vanadates
Xenotime-(Y)8.AD.35Y(PO4)
Fluorapatite8.BN.05Ca5(PO4)3F
Pyromorphite8.BN.05Pb5(PO4)3Cl
Churchite-(Y)8.CJ.50Y(PO4) · 2H2O
Group 9 - Silicates
Spessartine9.AD.25Mn2+3Al2(SiO4)3
Thorite
var. Orangite
9.AD.30Th(SiO4)
9.AD.30Th(SiO4)
var. Thorogummite9.AD.30(Th,U)(SiO4)1-x(OH)4x
Zircon9.AD.30Zr(SiO4)
var. Cyrtolite9.AD.30Zr[(SiO4),(OH)4]
Thorite
var. Uranothorite
9.AD.30(Th,U)SiO4
var. Ferrithorite9.AD.30(Th,Fe3+)[Si(O,OH)4]
Zircon
var. Malacon
9.AD.30Zr(SiO4)
Euclase9.AE.10BeAl(SiO4)(OH)
Topaz9.AF.35Al2(SiO4)(F,OH)2
Titanite9.AG.15CaTi(SiO4)O
Bertrandite9.BD.05Be4(Si2O7)(OH)2
Chevkinite-(Ce)9.BE.70Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Beryl
var. Aquamarine
9.CJ.05Be3Al2(Si6O18)
9.CJ.05Be3Al2(Si6O18)
Enstatite9.DA.05Mg2Si2O6
var. Bronzite9.DA.05(Mg,Fe2+)2[SiO3]2
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
var. Titanium-bearing Augite9.DA.15(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Aegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Vermiculite9.EC.50Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Nepheline9.FA.05Na3K(Al4Si4O16)
Microcline
var. Amazonite
9.FA.30K(AlSi3O8)
9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
var. Andesine9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Anorthite9.FA.35Ca(Al2Si2O8)
Albite
var. Anorthoclase
9.FA.35(Na,K)AlSi3O8
Anorthite
var. Labradorite
9.FA.35(Ca,Na)[Al(Al,Si)Si2O8]
Albite
var. Oligoclase
9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
var. Pericline9.FA.35Na(AlSi3O8)
var. Cleavelandite9.FA.35Na(AlSi3O8)
Haüyne9.FB.10Na3Ca(Si3Al3)O12(SO4)
Nosean9.FB.10Na8(Al6Si6O24)(SO4) · H2O
Unclassified
'Pyrochlore Supergroup
var. Betafite (of Hogarth 1977)'
-(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Chabazite'-
'Feldspar Group'-
'Monazite Group'-REE(PO4)
'Phillipsite Subgroup'-(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
'Feldspar Group
var. Perthite'
-
'Almandine-Spessartine Series'-
'Fayalite-Forsterite Series'-
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
'Pyroxene Group'-ADSi2O6
'Garnet Group'-X3Z2(SiO4)3
'Columbite-Tantalite'-
'Fergusonite'-
'Pyrochlore Supergroup'-A2-mD2X6-wZ1-n
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

List of minerals for each chemical element

HHydrogen
H BertranditeBe4(Si2O7)(OH)2
H Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H Churchite-(Y)Y(PO4) · 2H2O
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H EuclaseBeAl(SiO4)(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H NoseanNa8(Al6Si6O24)(SO4) · H2O
H Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
H Tengerite-(Y)Y2(CO3)3 · 2-3H2O
H Thorite var. Thorogummite(Th,U)(SiO4)1-x(OH)4x
H TopazAl2(SiO4)(F,OH)2
H VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
H Zircon var. CyrtoliteZr[(SiO4),(OH)4]
H Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
H ApatiteCa5(PO4)3(Cl/F/OH)
H Thorite var. Ferrithorite(Th,Fe3+)[Si(O,OH)4]
H Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
BeBeryllium
Be BertranditeBe4(Si2O7)(OH)2
Be BerylBe3Al2(Si6O18)
Be EuclaseBeAl(SiO4)(OH)
BBoron
B TourmalineAD3G6(T6O18)(BO3)3X3Z
CCarbon
C AragoniteCaCO3
C Bismutite(BiO)2CO3
C GraphiteC
C Tengerite-(Y)Y2(CO3)3 · 2-3H2O
C Aragonite var. CtypéiteCaCO3
OOxygen
O Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
O Aeschynite-(Y)Y(TiNb)O6
O AlbiteNa(AlSi3O8)
O Microcline var. AmazoniteK(AlSi3O8)
O Quartz var. AmethystSiO2
O AnataseTiO2
O Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
O AnorthiteCa(Al2Si2O8)
O Albite var. Anorthoclase(Na,K)AlSi3O8
O AragoniteCaCO3
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O BertranditeBe4(Si2O7)(OH)2
O Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O Bismutite(BiO)2CO3
O BerylBe3Al2(Si6O18)
O Churchite-(Y)Y(PO4) · 2H2O
O EnstatiteMg2Si2O6
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O EuclaseBeAl(SiO4)(OH)
O Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
O Fergusonite-(Y)YNbO4
O FluorapatiteCa5(PO4)3F
O HaüyneNa3Ca(Si3Al3)O12(SO4)
O HematiteFe2O3
O Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
O MagnetiteFe2+Fe23+O4
O MicroclineK(AlSi3O8)
O Monazite GroupREE(PO4)
O MuscoviteKAl2(AlSi3O10)(OH)2
O NephelineNa3K(Al4Si4O16)
O NoseanNa8(Al6Si6O24)(SO4) · H2O
O Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
O Thorite var. OrangiteTh(SiO4)
O Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
O PyromorphitePb5(PO4)3Cl
O QuartzSiO2
O RutileTiO2
O Samarskite-(Y)YFe3+Nb2O8
O Quartz var. Smoky QuartzSiO2
O SpessartineMn32+Al2(SiO4)3
O Tengerite-(Y)Y2(CO3)3 · 2-3H2O
O ThoriteTh(SiO4)
O Thorite var. Thorogummite(Th,U)(SiO4)1-x(OH)4x
O TitaniteCaTi(SiO4)O
O Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
O TopazAl2(SiO4)(F,OH)2
O TourmalineAD3G6(T6O18)(BO3)3X3Z
O VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
O Xenotime-(Y)Y(PO4)
O ZirconZr(SiO4)
O Albite var. PericlineNa(AlSi3O8)
O Anatase var. XanthitaneTiO2
O Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
O Chevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
O Zircon var. CyrtoliteZr[(SiO4),(OH)4]
O Albite var. CleavelanditeNa(AlSi3O8)
O Almandine-Spessartine Series
O Thorite var. Uranothorite(Th,U)SiO4
O Fayalite-Forsterite Series
O Columbite-(Fe)-Columbite-(Mn) Series
O Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
O Pyroxene GroupADSi2O6
O Garnet GroupX3Z2(SiO4)3
O Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
O ApatiteCa5(PO4)3(Cl/F/OH)
O Thorite var. Ferrithorite(Th,Fe3+)[Si(O,OH)4]
O Aragonite var. CtypéiteCaCO3
O Zircon var. MalaconZr(SiO4)
O Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F FluorapatiteCa5(PO4)3F
F TopazAl2(SiO4)(F,OH)2
F Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Na AlbiteNa(AlSi3O8)
Na Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Na Albite var. Anorthoclase(Na,K)AlSi3O8
Na Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Na HaüyneNa3Ca(Si3Al3)O12(SO4)
Na Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Na NephelineNa3K(Al4Si4O16)
Na NoseanNa8(Al6Si6O24)(SO4) · H2O
Na Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Na Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Na Albite var. PericlineNa(AlSi3O8)
Na Albite var. CleavelanditeNa(AlSi3O8)
Na Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Na Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
MgMagnesium
Mg Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg EnstatiteMg2Si2O6
Mg VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Mg Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
Mg Fayalite-Forsterite Series
Mg Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
AlAluminium
Al Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Al AlbiteNa(AlSi3O8)
Al Microcline var. AmazoniteK(AlSi3O8)
Al Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Al AnorthiteCa(Al2Si2O8)
Al Albite var. Anorthoclase(Na,K)AlSi3O8
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al BerylBe3Al2(Si6O18)
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al EuclaseBeAl(SiO4)(OH)
Al HaüyneNa3Ca(Si3Al3)O12(SO4)
Al Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al NephelineNa3K(Al4Si4O16)
Al NoseanNa8(Al6Si6O24)(SO4) · H2O
Al Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Al Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Al SpessartineMn32+Al2(SiO4)3
Al TopazAl2(SiO4)(F,OH)2
Al VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Al Albite var. PericlineNa(AlSi3O8)
Al Albite var. CleavelanditeNa(AlSi3O8)
Al Almandine-Spessartine Series
Al Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Al Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
SiSilicon
Si Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Si AlbiteNa(AlSi3O8)
Si Microcline var. AmazoniteK(AlSi3O8)
Si Quartz var. AmethystSiO2
Si Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Si AnorthiteCa(Al2Si2O8)
Si Albite var. Anorthoclase(Na,K)AlSi3O8
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si BertranditeBe4(Si2O7)(OH)2
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si BerylBe3Al2(Si6O18)
Si EnstatiteMg2Si2O6
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si EuclaseBeAl(SiO4)(OH)
Si HaüyneNa3Ca(Si3Al3)O12(SO4)
Si Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si NephelineNa3K(Al4Si4O16)
Si NoseanNa8(Al6Si6O24)(SO4) · H2O
Si Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Si Thorite var. OrangiteTh(SiO4)
Si Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Si QuartzSiO2
Si Quartz var. Smoky QuartzSiO2
Si SpessartineMn32+Al2(SiO4)3
Si ThoriteTh(SiO4)
Si Thorite var. Thorogummite(Th,U)(SiO4)1-x(OH)4x
Si TitaniteCaTi(SiO4)O
Si TopazAl2(SiO4)(F,OH)2
Si VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Si ZirconZr(SiO4)
Si Albite var. PericlineNa(AlSi3O8)
Si Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
Si Chevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Si Zircon var. CyrtoliteZr[(SiO4),(OH)4]
Si Albite var. CleavelanditeNa(AlSi3O8)
Si Almandine-Spessartine Series
Si Thorite var. Uranothorite(Th,U)SiO4
Si Fayalite-Forsterite Series
Si Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Si Pyroxene GroupADSi2O6
Si Garnet GroupX3Z2(SiO4)3
Si Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Si Thorite var. Ferrithorite(Th,Fe3+)[Si(O,OH)4]
Si Zircon var. MalaconZr(SiO4)
Si Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
PPhosphorus
P Churchite-(Y)Y(PO4) · 2H2O
P FluorapatiteCa5(PO4)3F
P Monazite GroupREE(PO4)
P PyromorphitePb5(PO4)3Cl
P Xenotime-(Y)Y(PO4)
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S BismuthiniteBi2S3
S CosalitePb2Bi2S5
S GalenaPbS
S HaüyneNa3Ca(Si3Al3)O12(SO4)
S NoseanNa8(Al6Si6O24)(SO4) · H2O
S PyriteFeS2
ClChlorine
Cl PyromorphitePb5(PO4)3Cl
Cl Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K Microcline var. AmazoniteK(AlSi3O8)
K Albite var. Anorthoclase(Na,K)AlSi3O8
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
K NephelineNa3K(Al4Si4O16)
K Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
CaCalcium
Ca Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Ca Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Ca AnorthiteCa(Al2Si2O8)
Ca AragoniteCaCO3
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ca FluorapatiteCa5(PO4)3F
Ca HaüyneNa3Ca(Si3Al3)O12(SO4)
Ca Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Ca Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Ca Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Ca TitaniteCaTi(SiO4)O
Ca Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Ca Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca Aragonite var. CtypéiteCaCO3
TiTitanium
Ti Aeschynite-(Y)Y(TiNb)O6
Ti AnataseTiO2
Ti Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ti RutileTiO2
Ti TitaniteCaTi(SiO4)O
Ti Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Ti Anatase var. XanthitaneTiO2
Ti Chevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Ti Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
MnManganese
Mn SpessartineMn32+Al2(SiO4)3
Mn Almandine-Spessartine Series
Mn Columbite-(Fe)-Columbite-(Mn) Series
FeIron
Fe Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe HematiteFe2O3
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
Fe Samarskite-(Y)YFe3+Nb2O8
Fe Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Fe VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Fe Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
Fe Chevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Fe Almandine-Spessartine Series
Fe Fayalite-Forsterite Series
Fe Columbite-(Fe)-Columbite-(Mn) Series
Fe Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Fe Thorite var. Ferrithorite(Th,Fe3+)[Si(O,OH)4]
YYttrium
Y Aeschynite-(Y)Y(TiNb)O6
Y Churchite-(Y)Y(PO4) · 2H2O
Y Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Y Fergusonite-(Y)YNbO4
Y Samarskite-(Y)YFe3+Nb2O8
Y Tengerite-(Y)Y2(CO3)3 · 2-3H2O
Y Xenotime-(Y)Y(PO4)
ZrZirconium
Zr ZirconZr(SiO4)
Zr Zircon var. CyrtoliteZr[(SiO4),(OH)4]
Zr Zircon var. MalaconZr(SiO4)
NbNiobium
Nb Aeschynite-(Y)Y(TiNb)O6
Nb Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Nb Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Nb Fergusonite-(Y)YNbO4
Nb Samarskite-(Y)YFe3+Nb2O8
Nb Columbite-(Fe)-Columbite-(Mn) Series
BaBarium
Ba Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
CeCerium
Ce Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ce Chevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
TaTantalum
Ta Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Ta Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ta Microlite GroupA2-mTa2X6-wZ-n
AuGold
Au Native GoldAu
PbLead
Pb CosalitePb2Bi2S5
Pb GalenaPbS
Pb PyromorphitePb5(PO4)3Cl
BiBismuth
Bi BismuthiniteBi2S3
Bi Bismutite(BiO)2CO3
Bi CosalitePb2Bi2S5
ThThorium
Th Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Th Thorite var. OrangiteTh(SiO4)
Th ThoriteTh(SiO4)
Th Thorite var. Thorogummite(Th,U)(SiO4)1-x(OH)4x
Th Thorite var. Uranothorite(Th,U)SiO4
Th Thorite var. Ferrithorite(Th,Fe3+)[Si(O,OH)4]
UUranium
U Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
U Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
U Thorite var. Thorogummite(Th,U)(SiO4)1-x(OH)4x
U Thorite var. Uranothorite(Th,U)SiO4

Geochronology

Mineralization age: Neoproterozoic : 620 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
ⓘ Euxenite-(Y)620 MaAmbodivoandelaka, Ankisabe, Soavinandriana District, Itasy, 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/Itasy_Region
Wikidata ID:Q573931
GeoNames ID:7670855

Localities in this Region

Other Regions, Features and Areas that Intersect

AfricaContinent
African Plate
Madagascar
Somali PlateTectonic Plate

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