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Ampanihy District, Atsimo-Andrefana, Madagascari
Regional Level Types
Ampanihy DistrictDistrict
Atsimo-AndrefanaRegion
MadagascarCountry

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PhotosMapsSearch
Largest Settlements:
PlacePopulation
Ampanihy25,686 (2018)
Mindat Locality ID:
134292
Long-form identifier:
mindat:1:2:134292:8
GUID (UUID V4):
0
Other Languages:
French:
Ampanihy, Atsimo-Andrefana, Madagascar
German:
Ampanihy, Atsimo-Andrefana, Madagaskar
Malagasy:
Distrikan' Ampanihy, Faritr' Atsimo Andrefana, Madagasikara
Simplified Chinese:
安帕尼希, 阿齊莫-安德列發那區, 马达加斯加
Czech:
Ampanihy, Madagaskar
Dutch:
Ampanihy, Atsimo-Andrefana, Madagaskar
Farsi/Persian:
امپانیهی, آتسیمو-آندرفانا, ماداگاسکار
Japanese:
アンパニヒ, アッチモ=アンドレファナ地域圏, マダガスカル
Norwegian:
Ampanihy, Atsimo-Andrefana, Madagaskar
Polish:
Ampanihy, Atsimo-Andrefana, Madagaskar
Swedish:
Ampanihy, Atsimo-Andrefanaregionen, Madagaskar


Note on the Madagascar labradorite:
The polished labradorite specimens from Madagascar, often labelled as coming from "Tulear" or "Atsimo-Andrefana Region" or just "Madagascar" all originates from several quarries, all in anorthosite bodies, in the Ampanihy district, in the Fotadrevo commune (Ianapera anorthosite body), and in the Maniry commune (Maniry anorthosite body) respectively.

00142030017272258783261.jpg
Ampanihy Geological Sketch

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

57 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:

ⓘ Alabandite
Formula: MnS
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Albite var. Andesine
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
ⓘ Almandine
Formula: Fe2+3Al2(SiO4)3
ⓘ Alunite
Formula: KAl3(SO4)2(OH)6
Colour: white
Description: Compact masses of several kg.
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ Analcime
Formula: Na(AlSi2O6) · H2O
References:
ⓘ Anorthite
Formula: Ca(Al2Si2O8)
Localities: Reported from at least 7 localities in this region.
ⓘ Anorthite var. Labradorite
Formula: (Ca,Na)[Al(Al,Si)Si2O8]
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ Baryte
Formula: BaSO4
ⓘ Berdesinskiite ?
Formula: V3+2TiO5
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ Calcite
Formula: CaCO3
ⓘ Chrysoberyl
Formula: BeAl2O4
ⓘ Chrysotile
Formula: Mg3(Si2O5)(OH)4
ⓘ Corundum
Formula: Al2O3
Localities: Reported from at least 8 localities in this region.
ⓘ Corundum var. Ruby
Formula: Al2O3
ⓘ Cryptomelane
Formula: K(Mn4+7Mn3+)O16
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Ecandrewsite
Formula: ZnTiO3
ⓘ Enstatite
Formula: Mg2Si2O6
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ 'Fayalite-Forsterite Series'
References:
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
ⓘ Gahnite
Formula: ZnAl2O4
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Graphite
Formula: C
Localities: Reported from at least 9 localities in this region.
ⓘ Grossular
Formula: Ca3Al2(SiO4)3
Localities: Reported from at least 7 localities in this region.
ⓘ Grossular var. Tsavorite
Formula: Ca3Al2(SiO4)3
Localities: Reported from at least 7 localities in this region.
Description: - Small, good quality tsavorite in quartz - Larger (1-2cm) nodules in gneiss - scattered within the bedrock where the tsavorite is both small size and rarely of good quality
ⓘ Halloysite
Formula: Al2(Si2O5)(OH)4
ⓘ Hematite
Formula: Fe2O3
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ 'Hypersthene'
Formula: (Mg,Fe)SiO3
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Jacobsite
Formula: Mn2+Fe3+2O4
ⓘ Karelianite
Formula: V3+2O3
Description: in contact with vanadium-bearing pyrrhotite
ⓘ Kyanite
Formula: Al2(SiO4)O
ⓘ 'Limonite'
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ 'Manganese Oxides'
ⓘ Melanostibite
Formula: Mn2+2Fe3+Sb5+O6
ⓘ 'Mica Group'
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Fuchsite
Formula: K(Al,Cr)3Si3O10(OH)2
ⓘ Nepheline
Formula: Na3K(Al4Si4O16)
References:
ⓘ 'Orthopyroxene Subgroup'
ⓘ Oxyvanite
Formula: V3+2V4+O5
Description: Grains adjacent to pyrrhotite
ⓘ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ 'Psilomelane'
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrolusite
Formula: Mn4+O2
ⓘ Pyrope
Formula: Mg3Al2(SiO4)3
ⓘ 'Pyrope-Spessartine Series var. Umbalite'
Formula: Mg3Al2(SiO4)3 - Mn3Al2(SiO4)3
ⓘ Pyrophanite
Formula: Mn2+TiO3
ⓘ 'Pyroxene Group'
Formula: ADSi2O6
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
Localities: Reported from at least 6 localities in this region.
ⓘ Quartz var. Chalcedony
Formula: SiO2
ⓘ Rhodonite
Formula: CaMn3Mn[Si5O15]
ⓘ 'Roméite Group' ?
Formula: A2(Sb5+)2O6Z
ⓘ Rutile
Formula: TiO2
ⓘ 'Scapolite'
ⓘ Schreyerite
Formula: V3+2Ti4+3O9
Description: As intergrowths within rutile
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ Sillimanite
Formula: Al2(SiO4)O
ⓘ Spessartine
Formula: Mn2+3Al2(SiO4)3
ⓘ Spinel
Formula: MgAl2O4
ⓘ Titanite
Formula: CaTi(SiO4)O
ⓘ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
ⓘ Tschermakite
Formula: ◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2
ⓘ Turquoise
Formula: CuAl6(PO4)4(OH)8 · 4H2O
ⓘ 'Unnamed (Ti-V oxide)'
Formula: Ti2V4+2V3+2O11
ⓘ Vittinkiite ?
Formula: MnMn3Mn[Si5O15]
Description: Offered by Gunnar Färber in his Katalog 2021/1. No analytical data is given in the list, possible only REM-EDX analyzed.
ⓘ Wavellite
Formula: Al3(PO4)2(OH)3 · 5H2O
ⓘ 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
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘAlabandite2.CD.10MnS
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘChrysoberyl4.BA.05BeAl2O4
ⓘGahnite4.BB.05ZnAl2O4
ⓘJacobsite4.BB.05Mn2+Fe3+2O4
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘSpinel4.BB.05MgAl2O4
ⓘCorundum4.CB.05Al2O3
ⓘEcandrewsite4.CB.05ZnTiO3
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘKarelianite4.CB.05V3+2O3
ⓘMelanostibite4.CB.05Mn2+2Fe3+Sb5+O6
ⓘPyrophanite4.CB.05Mn2+TiO3
ⓘCorundum
var. Ruby
4.CB.05Al2O3
ⓘBerdesinskiite ?4.CB.30V3+2TiO5
ⓘOxyvanite4.CB.30V3+2V4+O5
ⓘSchreyerite4.CB.35V3+2Ti4+3O9
ⓘQuartz
var. Chalcedony
4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘPyrolusite4.DB.05Mn4+O2
ⓘRutile4.DB.05TiO2
ⓘ'Roméite Group' ?4.DH.A2(Sb5+)2O6Z
ⓘCryptomelane4.DK.05aK(Mn4+7Mn3+)O16
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘDolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
ⓘAlunite7.BC.10KAl3(SO4)2(OH)6
Group 8 - Phosphates, Arsenates and Vanadates
ⓘFluorapatite8.BN.05Ca5(PO4)3F
ⓘWavellite8.DC.50Al3(PO4)2(OH)3 · 5H2O
ⓘTurquoise8.DD.15CuAl6(PO4)4(OH)8 · 4H2O
Group 9 - Silicates
ⓘChrysotile9.00.Mg3(Si2O5)(OH)4
ⓘAlmandine9.AD.25Fe2+3Al2(SiO4)3
ⓘGrossular9.AD.25Ca3Al2(SiO4)3
ⓘPyrope9.AD.25Mg3Al2(SiO4)3
ⓘSpessartine9.AD.25Mn2+3Al2(SiO4)3
ⓘGrossular
var. Tsavorite
9.AD.25Ca3Al2(SiO4)3
ⓘZircon9.AD.30Zr(SiO4)
ⓘSillimanite9.AF.05Al2(SiO4)O
ⓘKyanite9.AF.15Al2(SiO4)O
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘEnstatite9.DA.05Mg2Si2O6
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘDiopside9.DA.15CaMgSi2O6
ⓘTremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
ⓘTschermakite9.DE.10◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2
ⓘVittinkiite ?9.DK.MnMn3Mn[Si5O15]
ⓘRhodonite9.DK.05CaMn3Mn[Si5O15]
ⓘMuscovite
var. Fuchsite
9.EC.15K(Al,Cr)3Si3O10(OH)2
ⓘ9.EC.15KAl2(AlSi3O10)(OH)2
ⓘPhlogopite9.EC.20KMg3(AlSi3O10)(OH)2
ⓘHalloysite9.ED.10Al2(Si2O5)(OH)4
ⓘNepheline9.FA.05Na3K(Al4Si4O16)
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Andesine9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
ⓘAnorthite9.FA.35Ca(Al2Si2O8)
ⓘvar. Labradorite9.FA.35(Ca,Na)[Al(Al,Si)Si2O8]
ⓘAnalcime9.GB.05Na(AlSi2O6) · H2O
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Hypersthene'-(Mg,Fe)SiO3
ⓘ'Limonite'-
ⓘ'Psilomelane'-
ⓘ'Mica Group'-
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Scapolite'-
ⓘ'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
ⓘ'Orthopyroxene Subgroup'-
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4
ⓘ'Manganese Oxides'-
ⓘ'Pyrope-Spessartine Series
var. Umbalite'
-Mg3Al2(SiO4)3 - Mn3Al2(SiO4)3
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)
ⓘ'Unnamed (Ti-V oxide)'-Ti2V4+2V3+2O11

List of minerals for each chemical element

HHydrogen
Hⓘ AluniteKAl3(SO4)2(OH)6
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ AnalcimeNa(AlSi2O6) · H2O
Hⓘ ChrysotileMg3(Si2O5)(OH)4
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Hⓘ GoethiteFe3+O(OH)
Hⓘ HalloysiteAl2(Si2O5)(OH)4
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Hⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hⓘ Tschermakite◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2
Hⓘ TurquoiseCuAl6(PO4)4(OH)8 · 4H2O
Hⓘ WavelliteAl3(PO4)2(OH)3 · 5H2O
Hⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
Beⓘ ChrysoberylBeAl2O4
CCarbon
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ GraphiteC
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AluniteKAl3(SO4)2(OH)6
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ AnalcimeNa(AlSi2O6) · H2O
Oⓘ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Oⓘ AnorthiteCa(Al2Si2O8)
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ AlmandineFe32+Al2(SiO4)3
Oⓘ BaryteBaSO4
Oⓘ BerdesinskiiteV23+TiO5
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ CalciteCaCO3
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ ChrysotileMg3(Si2O5)(OH)4
Oⓘ ChrysoberylBeAl2O4
Oⓘ CorundumAl2O3
Oⓘ CryptomelaneK(Mn74+Mn3+)O16
Oⓘ DiopsideCaMgSi2O6
Oⓘ DolomiteCaMg(CO3)2
Oⓘ EcandrewsiteZnTiO3
Oⓘ EnstatiteMg2Si2O6
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Oⓘ GahniteZnAl2O4
Oⓘ GoethiteFe3+O(OH)
Oⓘ GrossularCa3Al2(SiO4)3
Oⓘ HalloysiteAl2(Si2O5)(OH)4
Oⓘ HematiteFe2O3
Oⓘ Hypersthene(Mg,Fe)SiO3
Oⓘ IlmeniteFe2+TiO3
Oⓘ JacobsiteMn2+Fe23+O4
Oⓘ KarelianiteV23+O3
Oⓘ KyaniteAl2(SiO4)O
Oⓘ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MelanostibiteMn22+Fe3+Sb5+O6
Oⓘ MicroclineK(AlSi3O8)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ NephelineNa3K(Al4Si4O16)
Oⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Oⓘ PyrolusiteMn4+O2
Oⓘ PyropeMg3Al2(SiO4)3
Oⓘ PyrophaniteMn2+TiO3
Oⓘ QuartzSiO2
Oⓘ RhodoniteCaMn3Mn[Si5O15]
Oⓘ Roméite GroupA2(Sb5+)2O6Z
Oⓘ Corundum var. RubyAl2O3
Oⓘ RutileTiO2
Oⓘ SchreyeriteV23+Ti34+O9
Oⓘ SillimaniteAl2(SiO4)O
Oⓘ SpessartineMn32+Al2(SiO4)3
Oⓘ SpinelMgAl2O4
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oⓘ Tschermakite◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2
Oⓘ TurquoiseCuAl6(PO4)4(OH)8 · 4H2O
Oⓘ WavelliteAl3(PO4)2(OH)3 · 5H2O
Oⓘ ZirconZr(SiO4)
Oⓘ Grossular var. TsavoriteCa3Al2(SiO4)3
Oⓘ Fayalite-Forsterite 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ⓘ Serpentine SubgroupD3[Si2O5](OH)4
Oⓘ Pyrope-Spessartine Series var. UmbaliteMg3Al2(SiO4)3 - Mn3Al2(SiO4)3
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Oⓘ OxyvaniteV23+V4+O5
Oⓘ Unnamed (Ti-V oxide)Ti2V24+V23+O11
Oⓘ VittinkiiteMnMn3Mn[Si5O15]
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ FluorapatiteCa5(PO4)3F
Fⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ AnalcimeNa(AlSi2O6) · H2O
Naⓘ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Naⓘ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Naⓘ NephelineNa3K(Al4Si4O16)
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ ChrysotileMg3(Si2O5)(OH)4
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ EnstatiteMg2Si2O6
Mgⓘ Hypersthene(Mg,Fe)SiO3
Mgⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Mgⓘ PyropeMg3Al2(SiO4)3
Mgⓘ SpinelMgAl2O4
Mgⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Mgⓘ Tschermakite◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2
Mgⓘ Fayalite-Forsterite Series
Mgⓘ Pyrope-Spessartine Series var. UmbaliteMg3Al2(SiO4)3 - Mn3Al2(SiO4)3
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ AluniteKAl3(SO4)2(OH)6
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ AnalcimeNa(AlSi2O6) · H2O
Alⓘ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Alⓘ AnorthiteCa(Al2Si2O8)
Alⓘ AlmandineFe32+Al2(SiO4)3
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ ChrysoberylBeAl2O4
Alⓘ CorundumAl2O3
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Alⓘ GahniteZnAl2O4
Alⓘ GrossularCa3Al2(SiO4)3
Alⓘ HalloysiteAl2(Si2O5)(OH)4
Alⓘ KyaniteAl2(SiO4)O
Alⓘ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ NephelineNa3K(Al4Si4O16)
Alⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Alⓘ PyropeMg3Al2(SiO4)3
Alⓘ Corundum var. RubyAl2O3
Alⓘ SillimaniteAl2(SiO4)O
Alⓘ SpessartineMn32+Al2(SiO4)3
Alⓘ SpinelMgAl2O4
Alⓘ Tschermakite◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2
Alⓘ TurquoiseCuAl6(PO4)4(OH)8 · 4H2O
Alⓘ WavelliteAl3(PO4)2(OH)3 · 5H2O
Alⓘ Grossular var. TsavoriteCa3Al2(SiO4)3
Alⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alⓘ Pyrope-Spessartine Series var. UmbaliteMg3Al2(SiO4)3 - Mn3Al2(SiO4)3
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ AnalcimeNa(AlSi2O6) · H2O
Siⓘ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Siⓘ AnorthiteCa(Al2Si2O8)
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ AlmandineFe32+Al2(SiO4)3
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ ChrysotileMg3(Si2O5)(OH)4
Siⓘ DiopsideCaMgSi2O6
Siⓘ EnstatiteMg2Si2O6
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Siⓘ GrossularCa3Al2(SiO4)3
Siⓘ HalloysiteAl2(Si2O5)(OH)4
Siⓘ Hypersthene(Mg,Fe)SiO3
Siⓘ KyaniteAl2(SiO4)O
Siⓘ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ NephelineNa3K(Al4Si4O16)
Siⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Siⓘ PyropeMg3Al2(SiO4)3
Siⓘ QuartzSiO2
Siⓘ RhodoniteCaMn3Mn[Si5O15]
Siⓘ SillimaniteAl2(SiO4)O
Siⓘ SpessartineMn32+Al2(SiO4)3
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siⓘ Tschermakite◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2
Siⓘ ZirconZr(SiO4)
Siⓘ Grossular var. TsavoriteCa3Al2(SiO4)3
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ⓘ Serpentine SubgroupD3[Si2O5](OH)4
Siⓘ Pyrope-Spessartine Series var. UmbaliteMg3Al2(SiO4)3 - Mn3Al2(SiO4)3
Siⓘ VittinkiiteMnMn3Mn[Si5O15]
PPhosphorus
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ TurquoiseCuAl6(PO4)4(OH)8 · 4H2O
Pⓘ WavelliteAl3(PO4)2(OH)3 · 5H2O
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ AlabanditeMnS
Sⓘ AluniteKAl3(SO4)2(OH)6
Sⓘ BaryteBaSO4
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ AluniteKAl3(SO4)2(OH)6
Kⓘ CryptomelaneK(Mn74+Mn3+)O16
Kⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ NephelineNa3K(Al4Si4O16)
Kⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Caⓘ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Caⓘ AnorthiteCa(Al2Si2O8)
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ CalciteCaCO3
Caⓘ DiopsideCaMgSi2O6
Caⓘ DolomiteCaMg(CO3)2
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ GrossularCa3Al2(SiO4)3
Caⓘ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Caⓘ RhodoniteCaMn3Mn[Si5O15]
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Caⓘ Tschermakite◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2
Caⓘ Grossular var. TsavoriteCa3Al2(SiO4)3
Caⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ BerdesinskiiteV23+TiO5
Tiⓘ EcandrewsiteZnTiO3
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ PyrophaniteMn2+TiO3
Tiⓘ RutileTiO2
Tiⓘ SchreyeriteV23+Ti34+O9
Tiⓘ TitaniteCaTi(SiO4)O
Tiⓘ Unnamed (Ti-V oxide)Ti2V24+V23+O11
VVanadium
Vⓘ BerdesinskiiteV23+TiO5
Vⓘ KarelianiteV23+O3
Vⓘ SchreyeriteV23+Ti34+O9
Vⓘ OxyvaniteV23+V4+O5
Vⓘ Unnamed (Ti-V oxide)Ti2V24+V23+O11
CrChromium
Crⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
MnManganese
Mnⓘ AlabanditeMnS
Mnⓘ CryptomelaneK(Mn74+Mn3+)O16
Mnⓘ JacobsiteMn2+Fe23+O4
Mnⓘ MelanostibiteMn22+Fe3+Sb5+O6
Mnⓘ PyrolusiteMn4+O2
Mnⓘ PyrophaniteMn2+TiO3
Mnⓘ RhodoniteCaMn3Mn[Si5O15]
Mnⓘ SpessartineMn32+Al2(SiO4)3
Mnⓘ Pyrope-Spessartine Series var. UmbaliteMg3Al2(SiO4)3 - Mn3Al2(SiO4)3
Mnⓘ VittinkiiteMnMn3Mn[Si5O15]
FeIron
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ AlmandineFe32+Al2(SiO4)3
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ GoethiteFe3+O(OH)
Feⓘ HematiteFe2O3
Feⓘ Hypersthene(Mg,Fe)SiO3
Feⓘ IlmeniteFe2+TiO3
Feⓘ JacobsiteMn2+Fe23+O4
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ MelanostibiteMn22+Fe3+Sb5+O6
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ Fayalite-Forsterite Series
CuCopper
Cuⓘ TurquoiseCuAl6(PO4)4(OH)8 · 4H2O
ZnZinc
Znⓘ EcandrewsiteZnTiO3
Znⓘ GahniteZnAl2O4
ZrZirconium
Zrⓘ ZirconZr(SiO4)
SbAntimony
Sbⓘ MelanostibiteMn22+Fe3+Sb5+O6
Sbⓘ Roméite GroupA2(Sb5+)2O6Z
BaBarium
Baⓘ BaryteBaSO4

Geochronology

Mineralization age: Late/Upper Cretaceous : 71 ± 3 Ma to 66 ± 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
Phanerozoic
 Cenozoic
  Paleogene
   Paleocene
ⓘ Basanite (youngest age)66 ± 1 MaMahafaly dike swarm, Fotadrevo, Ampanihy District, Atsimo-Andrefana, Madagascar
 Mesozoic
  Cretaceous
   Late/Upper Cretaceous
ⓘ Basanite (oldest age)71 ± 3 MaMahafaly dike swarm, Fotadrevo, Ampanihy District, Atsimo-Andrefana, 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/Ampanihy
Wikidata ID:Q2844105
GeoNames ID:8693311

Localities in this Region

Other Regions, Features and Areas that Intersect

AfricaContinent
African Plate
Madagascar
Somali PlateTectonic Plate

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.

References

 
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