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:
Troncea Valley, Pragelato, Chisone Valley, Metropolitan City Of Turin, Piedmont, Italy


mindat Locality ID: 189843
mindat URL: http://www.mindat.org/loc-189843.html

Tectonic Settings:

Total number of sublocalities beneath "Troncea Valley, Pragelato, Chisone Valley, Metropolitan City Of Turin, Piedmont, Italy": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Beth Mine (Beth-Ghinivert Deposit)

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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 Ba C Ca Cu Fe H K Mg Mn Na O S Si 

Elements from minerals reported directly at this locality: Al Ca Fe H K Mg Mn Na O Si 

Structural Groups for minerals in this locality: 
AmphiboleAndalusiteAragoniteChalcopyriteClayCorundumCovelliteEpidoteHarmotomeNone
PyritePyroxeneStilpnomelane

15 IMA Minerals at location:
Aegirine  (*)Aragonite  (*)Chalcopyrite  (*)Covellite  (*)Deerite  (*)
Glaucophane  (*)Harmotome  (*)Hematite  (*)Magnesio-riebeckite  (*)Olivenite  (*)
Parsettensite  (*)Piemontite  (*)Pyrite  (*)Riebeckite  (*)Stilpnomelane  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aegirine  (*)PyroxeneNaFe3+Si2O61707471022
Aragonite  (*)AragoniteCa(CO3)1707473250
Chalcopyrite  (*)ChalcopyriteCuFeS217074727198
Covellite  (*)CovelliteCuS1707474165
Deerite  (*)NoneFe2+6Fe3+3(Si6O17)O3(OH)517074727
Glaucophane  (*)Amphibole   Na2(Mg3Al2)Si8O22(OH)20286
Harmotome  (*)HarmotomeBa2(Si12Al4)O32·12H2O170747290
Hematite  (*)CorundumFe2O3014640
Magnesio-riebeckite  (*)Amphibole   Na2(Mg3Fe3+2)Si8O22(OH)217074793
Olivenite  (*)AndalusiteCu2(AsO4)(OH)170747492
Parsettensite  (*)Stilpnomelane Clay(K,Na,Ca)7.5(Mn,Mg)49Si72O168(OH)50·nH2O043
Piemontite  (*)EpidoteCa2(Al2Mn3+)[Si2O7][SiO4]O(OH)170747260
Pyrite  (*)PyriteFeS217074739462
Riebeckite  (*)Amphibole   Na2(Fe2+3Fe3+2)Si8O22(OH)2170747375
Stilpnomelane  (*)Stilpnomelane Clay(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O170747456



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...