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:
Rio Graia, Trontano, Vigezzo Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy


mindat Locality ID: 30182
mindat URL: http://www.mindat.org/loc-30182.html

Tectonic Settings:

Total number of sublocalities beneath "Rio Graia, Trontano, Vigezzo Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy": 0
Total number of bottom-level sublocalities: 0

Latitude: 46°7'1"N
Longitude: 8°20'57"E
Decimal Degree (lat, lon): 46.116944444444,8.3491666666667
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 As Be Ca Ce F Fe H K Na Nb O P S Si Ta Th Ti U Y Zr 

Elements from minerals reported directly at this locality: Al As Be Ca Ce Fe H K Nb O P S Si Ta Ti U Y Zr 

Structural Groups for minerals in this locality: 
AmorphousArsenopyriteAutuniteBerylClayClinozoisiteColumbiteEpidoteFeldsparFluorite
KaoliniteMicaMonaziteNoneNot in a structural groupPhosphuranyliteQuartzScheeliteTapioliteZircon

23 IMA Minerals at location:
Arsenopyrite  (*)Autunite  (*)Bavenite  (*)Beryl  (*)Clinozoisite  (*)
Euxenite-(Y)  (*)Fergusonite-(Y)  (*)Fersmite  (*)Kaolinite  (*)Laumontite  (*)
Microcline  (*)Monazite-(Ce)  (*)Muscovite  (*)Opal  (*)Orthoclase  (*)
Phosphuranylite  (*)Quartz  (*)Samarskite-(Y)  (*)Tapiolite-(Fe)  (*)Uraninite  (*)
Uranophane-α  (*)Xenotime-(Y)  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Arsenopyrite  (*)ArsenopyriteFeAsS09052
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O01272
Bavenite  (*)NoneCa4Be2+xAl2-xSi9O26-x(OH)2+x (x = 0 to 1)0255
Beryl  (*)BerylBe3Al2Si6O1804286
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)01025
Euxenite-(Y)  (*)ColumbiteY(NbTi)O60414
Fergusonite-(Y)  (*)ScheeliteYNbO40196
Fersmite  (*)ColumbiteCaNb2O6083
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)405591
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O01271
Microcline  (*)FeldsparK(AlSi3O8)04924
Monazite-(Ce)  (*)MonaziteCe(PO4)0945
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2017380
Opal  (*)AmorphousSiO2·nH2O02994
Orthoclase  (*)FeldsparK(AlSi3O8)02349
Phosphuranylite  (*)PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4·8H2O0182
Quartz  (*)QuartzSiO2061156
Samarskite-(Y)  (*)ColumbiteYFe3+Nb2O80353
Tapiolite-(Fe)  (*)TapioliteFe2+Ta2O6088
Uraninite  (*)FluoriteUO202718
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O0890
Xenotime-(Y)  (*)ZirconY(PO4)0939
Zircon  (*)ZirconZr(SiO4)05251


No ages have been assigned to this locality yet.
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