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:
Groix Island, Morbihan, Brittany, France


mindat Locality ID: 30105
mindat URL: http://www.mindat.org/loc-30105.html

Tectonic Settings:

Total number of sublocalities beneath "Groix Island, Morbihan, Brittany, France": 46
Total number of bottom-level sublocalities: 39

Number of Child Localities: 2
Child Localities:
Pivisy
Primiture

Latitude: 47°38'16"N
Longitude: 3°27'42"W
Decimal Degree (lat, lon): 47.637777777778,-3.4616666666667

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 Au Bi C Ca Cr Cu F Fe H K Li Mg Mn Na Ni O Pb S Si Sr Ti U V Y Zr 

Elements from minerals reported directly at this locality: Al Ca F Fe H Li Mg Na Ni O S Si 

Structural Groups for minerals in this locality: 
AluniteAmphiboleAndalusiteArsenopyriteBaryteCalciteChalcopyriteChloriteChloritoidClay
ClinozoisiteCopperCoquimbiteCorundumCovelliteCrichtoniteDiasporeEpidoteFeldsparGarnet
LawsoniteMalachiteMicaNickelineNoneNot in a structural groupOlivinePyritePyroxeneQuartz
RocksaltRutileSerpentineSmectite-vermiculiteSpinelStauroliteStilpnomelaneTalcTitaniteZircon

70 IMA Minerals at location:
Actinolite  (*)Albite  (*)Almandine  (*)Anatase  (*)Andalusite  (*)
Anglesite  (*)Antigorite  (*)Arsenopyrite  (*)Barroisite  (*)Beidellite  (*)
Bornite  (*)Calcite  (*)Chalcopyrite  (*)Chloritoid  (*)Chrysotile  (*)
Clinochlore  (*)Clinozoisite  (*)Coquimbite  (*)Corundum  (*)Cosalite  (*)
Covellite  (*)Crichtonite  (*)Deerite  (*)Dolomite  (*)Epidote  (*)
Ferro-glaucophane  (*)Forsterite  (*)Galena  (*)Glaucophane  (*)Goethite  (*)
Gold  (*)Graphite  (*)Greenalite  (*)Grossular  (*)Grunerite  (*)
Hectorite  (*)Hematite  (*)Ilmenite  (*)Jacobsite  (*)Jadeite  (*)
Jarosite  (*)Kyanite  (*)Lawsonite  (*)Magnetite  (*)Malachite  (*)
Manganite  (*)Muscovite  (*)Omphacite  (*)Paragonite  (*)Piemontite  (*)
Pyrite  (*)Pyrolusite  (*)Pyroxmangite  (*)Pyrrhotite  (*)Quartz  (*)
Rutile  (*)Saponite  (*)Scorodite  (*)Siderite  (*)Sillimanite  (*)
Smythite  (*)Spessartine  (*)Spinel  (*)Staurolite  (*)Stilpnomelane  (*)
Talc  (*)Tephroite  (*)Titanite  (*)Vermiculite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)21532423419
Albite  (*)FeldsparNa(AlSi3O8)1653242,53247,53248,53249,53251,53254,53255,53263,53265,53270,53271,53272,53273,53274,53281,532848803
Almandine  (*)GarnetFe2+3Al2(SiO4)3853263,53265,53270,53271,53272,53273,53274,532812353
Anatase  (*)Not in a structural groupTiO2253264,532722162
Andalusite  (*)AndalusiteAl2SiO5453264,53275,53276,532831310
Anglesite  (*)BarytePb(SO4)1532842734
Antigorite  (*)Serpentine ClayMg3Si2O5(OH)4153254708
Arsenopyrite  (*)ArsenopyriteFeAsS1532849052
Barroisite  (*)Amphibole   (NaCa)(Mg3Al2)(Si7Al)O22(OH)2049
Beidellite  (*)Clay Smectite-vermiculite(Na,Ca)0.3Al2(Si,Al)4O10(OH)2·nH2O085
Bornite  (*)NoneCu5FeS41532425516
Calcite  (*)CalciteCa(CO3)253242,5324827770
Chalcopyrite  (*)ChalcopyriteCuFeS2453242,53256,53279,5328427198
Chloritoid  (*)ChloritoidFe2+Al2O(SiO4)(OH)21353243,53246,53255,53258,53259,53264,53266,53269,53273,53274,53277,53283,53284376
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)4153254951
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)8353242,53255,532691756
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)1532661025
Coquimbite  (*)CoquimbiteAlFe3(SO4)6(H2O)12·6H2O0136
Corundum  (*)CorundumAl2O3353264,53276,532831797
Cosalite  (*)NonePb2Bi2S5153284344
Covellite  (*)CovelliteCuS1532844165
Crichtonite  (*)CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)3815327327
Deerite  (*)NoneFe2+6Fe3+3(Si6O17)O3(OH)515326027
Dolomite  (*)NoneCaMg(CO3)2353242,53254,532659895
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)1553240,53245,53251,53253,53258,53264,53265,53266,53268,53270,53273,53275,53276,53277,532838173
Ferro-glaucophane  (*)Amphibole   Na2(Fe2+3Al2)Si8O22(OH)2026
Forsterite  (*)OlivineMg2(SiO4)1532641188
Galena  (*)RocksaltPbS15328424243
Glaucophane  (*)Amphibole   Na2(Mg3Al2)Si8O22(OH)22553240,53244,53248,53249,53251,53252,53253,53258,53260,53264,53266,53267,53268,53269,53271,53272,53273,53274,53275,53276,53277,53281,53282,53283,53284286
Goethite  (*)DiasporeFeO(OH)353244,53254,532847437
Gold  (*)CopperAu15328430554
Graphite  (*)NoneC353249,53255,532622812
Greenalite  (*)Clay Serpentine(Fe2+,Fe3+)2-3Si2O5(OH)415325461
Grossular  (*)GarnetCa3Al2(SiO4)31532651544
Grunerite  (*)Amphibole   Fe2+2Fe2+5Si8O22(OH)2153260223
Hectorite  (*)ClayNa0.3(Mg,Li)3Si4O10(F,OH)2·nH2O019
Hematite  (*)CorundumFe2O31053255,53256,53258,53264,53265,53266,53273,53274,53277,5328114640
Ilmenite  (*)CorundumFe2+Ti4+O31153242,53246,53256,53261,53262,53264,53273,53274,53275,53276,532835433
Jacobsite  (*)SpinelMn2+Fe3+2O4153265172
Jadeite  (*)PyroxeneNaAlSi2O6353259,53266,53279154
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)61532562228
Kyanite  (*)Not in a structural groupAl2OSiO4253264,532831507
Lawsonite  (*)LawsoniteCaAl2(Si2O7)(OH)2·H2O753253,53258,53259,53260,53270,53274,53281121
Magnetite  (*)SpinelFe2+Fe3+2O4953241,53242,53254,53256,53264,53269,53275,53276,5328314899
Malachite  (*)MalachiteCu2(CO3)(OH)215324212537
Manganite  (*)RutileMn3+O(OH)153241770
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2553242,53266,53273,53274,5327917380
Omphacite  (*)Pyroxene(Ca,Na)(Mg,Fe,Al)Si2O6253268,53274229
Paragonite  (*)Mica ClayNaAl2(Si3Al)O10(OH)2253240,53273247
Piemontite  (*)EpidoteCa2(Al2Mn3+)[Si2O7][SiO4]O(OH)153265260
Pyrite  (*)PyriteFeS2653241,53253,53256,53264,53275,5328339462
Pyrolusite  (*)RutileMnO2353241,53242,532443106
Pyroxmangite  (*)NoneMn2+SiO3153265147
Pyrrhotite  (*)NickelineFe7S81532569056
Quartz  (*)QuartzSiO21453242,53244,53246,53249,53251,53252,53255,53259,53265,53272,53273,53279,53281,5328461156
Rutile  (*)RutileTiO21353240,53242,53259,53264,53266,53269,53272,53273,53275,53276,53280,53281,532835614
Saponite  (*)Clay Smectite-vermiculite(Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O0301
Scorodite  (*)NoneFe3+(AsO4)·2H2O1532841153
Siderite  (*)CalciteFe(CO3)553242,53246,53252,53255,532566417
Sillimanite  (*)Not in a structural groupAl2SiO5253264,532831516
Smythite  (*)None(Fe,Ni)3+xS4 (x ≈ 0-0.3)077
Spessartine  (*)GarnetMn2+3Al2(SiO4)3553265,53270,53274,53278,532811214
Spinel  (*)SpinelMgAl2O41532641934
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)453264,53275,53276,53283978
Stilpnomelane  (*)Stilpnomelane Clay(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O353269,53278,53281456
Talc  (*)Clay TalcMg3Si4O10(OH)21532413337
Tephroite  (*)OlivineMn2+2(SiO4)153265240
Titanite  (*)TitaniteCaTi(SiO4)O853242,53258,53259,53264,53275,53276,53277,532814899
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O0652
Zircon  (*)ZirconZr(SiO4)453264,53275,53276,532835251



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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