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:
Saint-Thonan, Finistère, Brittany, France


mindat Locality ID: 285532
mindat URL: http://www.mindat.org/loc-285532.html

Tectonic Settings:

Total number of sublocalities beneath "Saint-Thonan, Finistère, Brittany, France": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Kerarsaoz Quarry

Latitude: 48°29'11"N
Longitude: 4°20'10"W
Decimal Degree (lat, lon): 48.486388888889,-4.3361111111111

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: As Cu Fe H K O P S Si Sn U 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ArsenopyriteChalcopyriteCovelliteNonePharmacosideritePyriteQuartzRutile

10 IMA Minerals at location:
Arsenopyrite  (*)Cassiterite  (*)Chalcopyrite  (*)Covellite  (*)Metatorbernite  (*)
Pharmacosiderite  (*)Pyrite  (*)Quartz  (*)Scorodite  (*)Torbernite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Arsenopyrite  (*)ArsenopyriteFeAsS1531089052
Cassiterite  (*)RutileSnO21531085171
Chalcopyrite  (*)ChalcopyriteCuFeS215310827198
Covellite  (*)CovelliteCuS1531084165
Metatorbernite  (*)NoneCu(UO2)2(PO4)2·8H2O153108443
Pharmacosiderite  (*)PharmacosideriteKFe3+4(AsO4)3(OH)4·6-7H2O153108428
Pyrite  (*)PyriteFeS215310839462
Quartz  (*)QuartzSiO215310861156
Scorodite  (*)NoneFe3+(AsO4)·2H2O1531081153
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O1531081059



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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