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:
Montbrison, Loire, Auvergne-Rhône-Alpes, France


mindat Locality ID: 144380
mindat URL: http://www.mindat.org/loc-144380.html

Tectonic Settings:

Total number of sublocalities beneath "Montbrison, Loire, Auvergne-Rhône-Alpes, France": 12
Total number of bottom-level sublocalities: 7

Number of Child Localities: 7
Child Localities:
Ecotay-l'Olme
Essertines-en-Châtelneuf
Imbert's Pegmatite
Lezigneux
Saint-Georges-Haute-Ville
Verrières-en-Forez
Vizézy Brook Alluvials

Latitude: 45°32'58"N
Longitude: 4°2'19"E
Decimal Degree (lat, lon): 45.549444444444,4.0386111111111

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 C Ca Fe H K Mg Mo Na O S Si Ti Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AndalusiteCalciteChabaziteClayCorundumFeldsparMicaMolybdeniteNatroliteNone
Not in a structural groupPyroxeneQuartzRutileSpinelTitaniteTourmalineZircon

19 IMA Minerals at location:
Anatase  (*)Andalusite  (*)Anorthite  (*)Augite  (*)Calcite  (*)
Chabazite-Na  (*)Corundum  (*)Hematite  (*)Ilmenite  (*)Magnetite  (*)
Microcline  (*)Molybdenite  (*)Muscovite  (*)Natrolite  (*)Quartz  (*)
Rutile  (*)Schorl  (*)Titanite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anatase  (*)Not in a structural groupTiO21514662162
Andalusite  (*)AndalusiteAl2SiO51514591310
Anorthite  (*)FeldsparCa(Al2Si2O8)1514651036
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O6251463,514662060
Calcite  (*)CalciteCa(CO3)251463,5146527770
Chabazite-Na  (*)Chabazite(Na3K)[Al4Si8O24]·11H2O15146366
Corundum  (*)CorundumAl2O31514661797
Hematite  (*)CorundumFe2O315146614640
Ilmenite  (*)CorundumFe2+Ti4+O31514665433
Magnetite  (*)SpinelFe2+Fe3+2O415146614899
Microcline  (*)FeldsparK(AlSi3O8)351456,51458,514594924
Molybdenite  (*)MolybdeniteMoS21514615800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2251458,5145917380
Natrolite  (*)NatroliteNa2(Si3Al2)O10·2H2O1514651236
Quartz  (*)QuartzSiO2651456,51457,51458,51459,51461,5146661156
Rutile  (*)RutileTiO21514665614
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)251456,514592705
Titanite  (*)TitaniteCaTi(SiO4)O1514664899
Zircon  (*)ZirconZr(SiO4)1514665251



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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