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:
Maromby, Amboasary Sud, Anosy, Madagascar


mindat Locality ID: 27795
mindat URL: http://www.mindat.org/loc-27795.html

Tectonic Settings:

Total number of sublocalities beneath "Maromby, Amboasary Sud, Anosy, Madagascar": 37
Total number of bottom-level sublocalities: 34

Number of Child Localities: 23
Child Localities:
Ambakitany Thorianite Deposit
Ambandanira Thorianite Deposit
Ambonaivo Group
Andranondambo Phlogopite Deposit
Andranondambo Sapphire Deposits
Andriandambo Thorianite Deposit
Anikilivalo Thorianite Deposit
Ankazoabo Sapphire Deposit
Ankazoabo Thorianite Deposit
Bekitoly
Belafa Area
Bemanteza Thorianite Deposit
Besakoa
Betanimena Thorianite Deposit
Esiva
Mt Vohitrosy Area
N-W Maromby
Papango Thorianite Deposit
Sakahala Phlogopite Deposit
Soafia Thorianite Deposit
Tranomaro-Maromby Area
Unnamed Fluorophlogopite Occurrence
Unnamed Wollastonite Occurrence

Latitude: 24°24'27"S
Longitude: 46°33'2"E
Decimal Degree (lat, lon): -24.4075,46.550555555556

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 C Ca Ce F Fe H K Mg O P Si Th Ti Y Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ApatiteBaddeleyiteCalciteClayCorundumDiasporeFeldsparFluoriteHumiteMagnetoplumbite
MicaNoneOlivinePyroxeneQuartzRutileSpinelTitaniteWollastoniteZircon
Zirconolite

24 IMA Minerals at location:
Anorthite  (*)Baddeleyite  (*)Calcite  (*)Corundum  (*)Diaspore  (*)
Diopside  (*)Dolomite  (*)Fluorapatite  (*)Fluorite  (*)Fluorophlogopite  (*)
Forsterite  (*)Hedenbergite  (*)Hibonite  (*)Humite  (*)Muscovite  (*)
Phlogopite  (*)Quartz  (*)Rutile  (*)Spinel  (*)Thorianite  (*)
Titanite  (*)Wollastonite  (*)Zircon  (*)Zirconolite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anorthite  (*)FeldsparCa(Al2Si2O8)578712,78713,78718,78727,787341036
Baddeleyite  (*)BaddeleyiteZrO2178713238
Calcite  (*)CalciteCa(CO3)1178708,78709,78712,78713,78716,78720,78721,78723,78727,78731,7874127770
Corundum  (*)CorundumAl2O3678708,78712,78713,78716,78727,787341797
Diaspore  (*)DiasporeAlO(OH)178713481
Diopside  (*)PyroxeneCaMgSi2O6878708,78709,78712,78713,78723,78726,78730,787314135
Dolomite  (*)NoneCaMg(CO3)21787279895
Fluorapatite  (*)ApatiteCa5(PO4)3F1787132740
Fluorite  (*)FluoriteCaF2278708,787139617
Fluorophlogopite  (*)MicaKMg3(Si3Al)O10F217874147
Forsterite  (*)OlivineMg2(SiO4)1787271188
Hedenbergite  (*)PyroxeneCaFe2+Si2O6178713741
Hibonite  (*)MagnetoplumbiteCaAl12O19878708,78712,78713,78718,78719,78730,78734,7873680
Humite  (*)HumiteMg7(SiO4)3F217871680
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)217873117380
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)21478708,78709,78712,78713,78714,78716,78720,78724,78725,78727,78731,78733,78738,787392273
Quartz  (*)QuartzSiO2278712,7871361156
Rutile  (*)RutileTiO21787135614
Spinel  (*)SpinelMgAl2O41078709,78712,78713,78714,78716,78723,78727,78728,78733,787341934
Thorianite  (*)FluoriteThO22478706,78707,78708,78709,78710,78711,78712,78714,78715,78717,78720,78721,78723,78724,78725,78726,78727,78728,78729,78731,78733,78734,78737,78739236
Titanite  (*)TitaniteCaTi(SiO4)O778708,78712,78713,78723,78727,78734,787364899
Wollastonite  (*)WollastoniteCaSiO3478712,78713,78719,787421247
Zircon  (*)ZirconZr(SiO4)578708,78709,78712,78713,787265251
Zirconolite  (*)Zirconolite(Ca,Y)Zr(Ti,Mg,Al)2O7178713140



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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