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:
Thyon, Hérens Valley, Valais, Switzerland


mindat Locality ID: 283572
mindat URL: http://www.mindat.org/loc-283572.html

Tectonic Settings:

Total number of sublocalities beneath "Thyon, Hérens Valley, Valais, Switzerland": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Crête De Thyon

Latitude: 46°10'18"N
Longitude: 7°22'14"E
Decimal Degree (lat, lon): 46.171666666667,7.3705555555556

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 Fe H K Mg Na Nb O P Si Ta Th Ti U Y Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllaniteCalciteClayClinozoisiteColumbiteCorundumEpidoteFeldsparMicaNone
QuartzRutileScheeliteStilpnomelaneTitaniteZircon

17 IMA Minerals at location:
Albite  (*)Allanite-(Ce)  (*)Annite  (*)Calcite  (*)Epidote  (*)
Euxenite-(Y)  (*)Fergusonite-(Y)  (*)Ilmenite  (*)Microcline  (*)Muscovite  (*)
Quartz  (*)Rutile  (*)Siderophyllite  (*)Stilpnomelane  (*)Titanite  (*)
Xenotime-(Y)  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)11151028803
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)1115102706
Annite  (*)Mica ClayKFe2+3(AlSi3O10)(OH)21115102356
Calcite  (*)CalciteCa(CO3)111510227770
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)11151028173
Euxenite-(Y)  (*)ColumbiteY(NbTi)O61115102414
Fergusonite-(Y)  (*)ScheeliteYNbO41115102196
Ilmenite  (*)CorundumFe2+Ti4+O311151025433
Microcline  (*)FeldsparK(AlSi3O8)11151024924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2111510217380
Quartz  (*)QuartzSiO2111510261156
Rutile  (*)RutileTiO211151025614
Siderophyllite  (*)MicaKFe2+2Al(Si2Al2)O10(OH)2111510292
Stilpnomelane  (*)Stilpnomelane Clay(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O1115102456
Titanite  (*)TitaniteCaTi(SiO4)O11151024899
Xenotime-(Y)  (*)ZirconY(PO4)1115102939
Zircon  (*)ZirconZr(SiO4)11151025251



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...