Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Itasy, Madagascar


mindat Locality ID: 157488
mindat URL: http://www.mindat.org/loc-157488.html

Tectonic Settings:

Total number of sublocalities beneath "Itasy, Madagascar": 40
Total number of bottom-level sublocalities: 27

Number of Child Localities: 3
Child Localities:
Arivonimamo
Miarinarivo
Soavinandriana

Latitude: 19°1'30"S
Longitude: 46°49'27"E
Decimal Degree (lat, lon): -19.025,46.824166666667

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al Au Be Bi C Ca Ce Cl F Fe H K Mg Mn Na Nb O P Pb S Si Ta Th Ti U Y Zr 

Elements from minerals reported directly at this locality: Al F Mg O Si 

Structural Groups for minerals in this locality: 
AeschyniteApatiteAragoniteBerylBismutiteChevkiniteClayClinozoisiteColumbiteCopper
CorundumEpidoteFeldsparGarnetGypsumMicaNoneNot in a structural groupPyritePyroxene
QuartzRocksaltRutileScheeliteSmectite-vermiculiteStibniteTitaniteTopazZircon

36 IMA Minerals at location:
Aeschynite-(Y)  (*)Albite  (*)Anatase  (*)Anorthite  (*)Aragonite  (*)
Bertrandite  (*)Beryl  (*)Bismuthinite  (*)Bismutite  (*)Chevkinite-(Ce)  (*)
Churchite-(Y)  (*)Cosalite  (*)Enstatite  (*)Epidote  (*)Euclase  (*)
Euxenite-(Y)  (*)Fergusonite-(Y)  (*)Fluorapatite  (*)Galena  (*)Gold  (*)
Graphite  (*)Hematite  (*)Microcline  (*)Muscovite  (*)Pyrite  (*)
Pyromorphite  (*)Quartz  (*)Rutile  (*)Samarskite-(Y)  (*)Spessartine  (*)
Thorite  (*)Titanite  (*)Topaz  (*)Vermiculite  (*)Xenotime-(Y)  (*)
Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aeschynite-(Y)  (*)Aeschynite(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6379480,79488,79491141
Albite  (*)FeldsparNa(AlSi3O8)1794918803
Anatase  (*)Not in a structural groupTiO21794912162
Anorthite  (*)FeldsparCa(Al2Si2O8)1795001036
Aragonite  (*)AragoniteCa(CO3)1794713250
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)2179498606
Beryl  (*)BerylBe3Al2Si6O18579472,79480,79481,79491,794984286
Bismuthinite  (*)StibniteBi2S3279491,794981935
Bismutite  (*)BismutiteBi2O2(CO3)379480,79491,79498716
Chevkinite-(Ce)  (*)ChevkiniteCe4(Ti,Fe2+,Fe3+)5O8(Si2O7)217947489
Churchite-(Y)  (*)GypsumY(PO4)·2H2O17949370
Cosalite  (*)NonePb2Bi2S5179484344
Enstatite  (*)PyroxeneMg2Si2O60944
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)1794868173
Euclase  (*)NoneBeAlSiO4(OH)179489120
Euxenite-(Y)  (*)ColumbiteY(NbTi)O6879476,79479,79480,79481,79488,79499,79501,79504414
Fergusonite-(Y)  (*)ScheeliteYNbO4179491196
Fluorapatite  (*)ApatiteCa5(PO4)3F1794962740
Galena  (*)RocksaltPbS17948424243
Gold  (*)CopperAu17948430554
Graphite  (*)NoneC1794732812
Hematite  (*)CorundumFe2O317948014640
Microcline  (*)FeldsparK(AlSi3O8)1079479,79480,79482,79483,79491,79498,79499,79501,79503,795044924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2279472,7949817380
Pyrite  (*)PyriteFeS217948439462
Pyromorphite  (*)ApatitePb5(PO4)3Cl1794841725
Quartz  (*)QuartzSiO21079479,79480,79482,79483,79491,79492,79493,79498,79503,7950461156
Rutile  (*)RutileTiO2379480,79491,795015614
Samarskite-(Y)  (*)ColumbiteYFe3+Nb2O8179493353
Spessartine  (*)GarnetMn2+3Al2(SiO4)31794981214
Thorite  (*)ZirconTh(SiO4)979479,79480,79481,79482,79483,79488,79491,79493,794961006
Titanite  (*)TitaniteCaTi(SiO4)O379480,79491,794964899
Topaz  (*)TopazAl2SiO4F201476
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O479476,79491,79492,79493652
Xenotime-(Y)  (*)ZirconY(PO4)179491939
Zircon  (*)ZirconZr(SiO4)879480,79482,79483,79488,79491,79493,79496,795035251



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...