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:
Cap Andrahomana, Andranobory, Taolañaro (Fort Dauphin), Anosy, Madagascar


mindat Locality ID: 5803
mindat URL: http://www.mindat.org/loc-5803.html

Tectonic Settings:

Total number of sublocalities beneath "Cap Andrahomana, Andranobory, Taolañaro (Fort Dauphin), Anosy, Madagascar": 0
Total number of bottom-level sublocalities: 0

Latitude: 25°11'57"S
Longitude: 46°37'56"E
Decimal Degree (lat, lon): -25.199166666667,46.632222222222
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 B Fe K Mg O Si Ti 

Elements from minerals reported directly at this locality: Al B Fe K Mg O Si Ti 

Structural Groups for minerals in this locality: 
AndalusiteBerylCorundumFeldsparGarnetNoneNot in a structural groupPyroxeneQuartzSpinel

12 IMA Minerals at location:
Almandine  (*)Andalusite  (*)Cordierite  (*)Enstatite  (*)Grandidierite  (*)
Hercynite  (*)Ilmenite  (*)Microcline  (*)Quartz  (*)Sillimanite  (*)
Spinel  (*)Werdingite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Almandine  (*)GarnetFe2+3Al2(SiO4)302353
Andalusite  (*)AndalusiteAl2SiO501310
Cordierite  (*)BerylMg2Al4Si5O1801008
Enstatite  (*)PyroxeneMg2Si2O60944
Grandidierite  (*)NoneMgAl3O2(BO3)(SiO4)040
Hercynite  (*)SpinelFe2+Al2O40407
Ilmenite  (*)CorundumFe2+Ti4+O305433
Microcline  (*)FeldsparK(AlSi3O8)04924
Quartz  (*)QuartzSiO2061156
Sillimanite  (*)Not in a structural groupAl2SiO501516
Spinel  (*)SpinelMgAl2O401934
Werdingite  (*)NoneMg2Al14Si4B4O3708


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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