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:
Bongolava, Madagascar


mindat Locality ID: 191984
mindat URL: http://www.mindat.org/loc-191984.html

Tectonic Settings:

Total number of sublocalities beneath "Bongolava, Madagascar": 24
Total number of bottom-level sublocalities: 15

Number of Child Localities: 2
Child Localities:
Fenoarivobe District
Tsiroanomandidy District

Latitude: 18°47'47"S
Longitude: 46°10'22"E
Decimal Degree (lat, lon): -18.796388888889,46.172777777778
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 Be C Ca Cu Fe H K Mg Na Nb O P S Si Th Ti U Y Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AeschyniteAmphiboleAutuniteBerylBrookiteChalcopyriteClayClinozoisiteCorundumEpidote
FeldsparMalachiteMicaNoneNot in a structural groupPyroxeneQuartzSapphirineSmectite-vermiculiteSulphur
TitaniteZircon

25 IMA Minerals at location:
Aegirine  (*)Aenigmatite  (*)Aeschynite-(Y)  (*)Albite  (*)Anatase  (*)
Arfvedsonite  (*)Augite  (*)Autunite  (*)Beryl  (*)Brookite  (*)
Chalcopyrite  (*)Corundum  (*)Diopside  (*)Epidote  (*)Ferro-edenite  (*)
Hedenbergite  (*)Magnesio-arfvedsonite  (*)Malachite  (*)Muscovite  (*)Orthoclase  (*)
Quartz  (*)Sulphur  (*)Titanite  (*)Vermiculite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aegirine  (*)PyroxeneNaFe3+Si2O6279232,792471022
Aenigmatite  (*)SapphirineNa4[Fe2+10Ti2]O4[Si12O36]179232133
Aeschynite-(Y)  (*)Aeschynite(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6179227141
Albite  (*)FeldsparNa(AlSi3O8)1792478803
Anatase  (*)Not in a structural groupTiO21792382162
Arfvedsonite  (*)AmphiboleNaNa2(Fe2+4Fe3+)Si8O22(OH)2179232295
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O61792322060
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O1792401272
Beryl  (*)BerylBe3Al2Si6O181792434286
Brookite  (*)BrookiteTiO2179238700
Chalcopyrite  (*)ChalcopyriteCuFeS217924427198
Corundum  (*)CorundumAl2O31792411797
Diopside  (*)PyroxeneCaMgSi2O61792324135
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)1792328173
Ferro-edenite  (*)AmphiboleNaCa2Fe2+5(Si7Al)O22(OH)217923257
Hedenbergite  (*)PyroxeneCaFe2+Si2O6179232741
Magnesio-arfvedsonite  (*)AmphiboleNaNa2(Mg4Fe3+)Si8O22(OH)217923279
Malachite  (*)MalachiteCu2(CO3)(OH)217924412537
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2279232,7924117380
Orthoclase  (*)FeldsparK(AlSi3O8)1792322349
Quartz  (*)QuartzSiO2479229,79232,79243,7924761156
Sulphur  (*)SulphurS1792442045
Titanite  (*)TitaniteCaTi(SiO4)O1792324899
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O179244652
Zircon  (*)ZirconZr(SiO4)1792325251


No ages have been assigned to this locality yet.
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All locality data graciously provided by mindat.org

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