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:
Lorient, Morbihan, Brittany, France


mindat Locality ID: 155612
mindat URL: http://www.mindat.org/loc-155612.html

Tectonic Settings:

Total number of sublocalities beneath "Lorient, Morbihan, Brittany, France": 2
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Port-Louis

Latitude: 47°41'35"N
Longitude: 3°20'43"W
Decimal Degree (lat, lon): 47.693055555556,-3.3452777777778

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 Ca Fe H Mg Na O Si Ti Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleAndalusiteBrookiteChloritoidClinozoisiteCorundumEpidoteNoneNot in a structural groupRutile
SpinelStauroliteTitaniteTourmalineZircon

18 IMA Minerals at location:
Actinolite  (*)Anatase  (*)Andalusite  (*)Brookite  (*)Chloritoid  (*)
Corundum  (*)Epidote  (*)Glaucophane  (*)Ilmenite  (*)Kyanite  (*)
Magnetite  (*)Rutile  (*)Schorl  (*)Sillimanite  (*)Spinel  (*)
Staurolite  (*)Titanite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)21533643419
Anatase  (*)Not in a structural groupTiO21533642162
Andalusite  (*)AndalusiteAl2SiO51533641310
Brookite  (*)BrookiteTiO2153364700
Chloritoid  (*)ChloritoidFe2+Al2O(SiO4)(OH)2153364376
Corundum  (*)CorundumAl2O31533641797
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)1533648173
Glaucophane  (*)Amphibole   Na2(Mg3Al2)Si8O22(OH)2153364286
Ilmenite  (*)CorundumFe2+Ti4+O31533645433
Kyanite  (*)Not in a structural groupAl2OSiO41533641507
Magnetite  (*)SpinelFe2+Fe3+2O415336414899
Rutile  (*)RutileTiO21533645614
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)1533642705
Sillimanite  (*)Not in a structural groupAl2SiO51533641516
Spinel  (*)SpinelMgAl2O41533641934
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)153364978
Titanite  (*)TitaniteCaTi(SiO4)O1533644899
Zircon  (*)ZirconZr(SiO4)1533645251



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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