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:
Meymac, Corrèze, Nouvelle-Aquitaine, France

Oldest recorded age at locality: 520
Youngest recorded age at locality: 156

mindat Locality ID: 22705
mindat URL: http://www.mindat.org/loc-22705.html

Tectonic Settings:

Total number of sublocalities beneath "Meymac, Corrèze, Nouvelle-Aquitaine, France": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
La Grange Mine
Le Pont Neuf
Les Chaises (Les Chèzes)

Latitude: 45°31'56"N
Longitude: 2°10'58"E
Decimal Degree (lat, lon): 45.532222222222,2.1827777777778

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 B Ba Bi C Ca Cl Cu F Fe H K Mn Mo Na Nb O P Pb S Si Sn Ta Ti U W Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AluniteAmorphousApatiteAragoniteArsenicArsenopyriteAutuniteBaryteBismutiteChalcopyrite
ClayColumbiteDiasporeFeldsparFluoriteMicaMolybdeniteNoneNot in a structural groupPyrite
PyrochloreQuartzRaspiteRocksaltRutileScheeliteSphaleriteStanniteStibniteSulphur
Tourmaline

43 IMA Minerals at location:
Albite  (*)Anatase  (*)Arsenopyrite  (*)Autunite  (*)Baryte  (*)
Beudantite  (*)Bismuth  (*)Bismuthinite  (*)Bismutite  (*)Cannonite  (*)
Cassiterite  (*)Cerussite  (*)Chalcopyrite  (*)Ferberite  (*)Ferrimolybdite  (*)
Fluorite  (*)Galena  (*)Goethite  (*)Hübnerite  (*)Hydrokenoelsmoreite  (*)
Hydrotungstite  (*)Jarosite  (*)Koragoite  (*)Meymacite  (*)Molybdenite  (*)
Muscovite  (*)Natrojarosite  (*)Opal  (*)Preisingerite  (*)Pyrite  (*)
Pyromorphite  (*)Quartz  (*)Raspite  (*)Russellite  (*)Rutile  (*)
Scheelite  (*)Schorl  (*)Scorodite  (*)Sphalerite  (*)Stannite  (*)
Sulphur  (*)Torbernite  (*)Wulfenite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)5201561546138803
Anatase  (*)Not in a structural groupTiO25201561546112162
Arsenopyrite  (*)ArsenopyriteFeAsS5201561546139052
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O2762761546121272
Baryte  (*)BaryteBa(SO4)52015615461111547
Beudantite  (*)AlunitePbFe3+3(AsO4)(SO4)(OH)6270270154613413
Bismuth  (*)ArsenicBi520156254611,546131966
Bismuthinite  (*)StibniteBi2S3520156254611,546131935
Bismutite  (*)BismutiteBi2O2(CO3)520156154611716
Cannonite  (*)NoneBi2O(SO4)(OH)2520156254611,5461326
Cassiterite  (*)RutileSnO25201561546135171
Cerussite  (*)AragonitePb(CO3)2702701546134979
Chalcopyrite  (*)ChalcopyriteCuFeS2520156254611,5461327198
Ferberite  (*)ColumbiteFe2+(WO4)520156254611,54613551
Ferrimolybdite  (*)NoneFe3+2(Mo6+O4)3·7H2O520156154611345
Fluorite  (*)FluoriteCaF25201561546139617
Galena  (*)RocksaltPbS52052015461124243
Goethite  (*)DiasporeFeO(OH)5201561546117437
Hübnerite  (*)ColumbiteMn2+(WO4)520156154611469
Hydrokenoelsmoreite  (*)Pyrochlore   2W2O6(H2O)52015615461157
Hydrotungstite  (*)NoneWO2(OH)2·H2O52015615461113
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)65201561546112228
Koragoite  (*)NoneMn2+2Mn3+Nb2(Nb,Ta)3W2O205201561546112
Meymacite  (*)NoneWO3·2H2O520156254611,5461310
Molybdenite  (*)MolybdeniteMoS2520156254611,546135800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2520156254611,5461317380
Natrojarosite  (*)AluniteNaFe3+3(SO4)2(OH)6520156154611254
Opal  (*)AmorphousSiO2·nH2O5201561546112994
Preisingerite  (*)NoneBi3O(AsO4)2(OH)52015615461353
Pyrite  (*)PyriteFeS2315315254611,5461339462
Pyromorphite  (*)ApatitePb5(PO4)3Cl2702701546131725
Quartz  (*)QuartzSiO2520156254611,5461361156
Raspite  (*)RaspitePb(WO4)27027015461126
Russellite  (*)NoneBi2WO652015615461140
Rutile  (*)RutileTiO25201561546135614
Scheelite  (*)ScheeliteCa(WO4)520156254611,546134894
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)520156254611,546132705
Scorodite  (*)NoneFe3+(AsO4)·2H2O5201561546131153
Sphalerite  (*)SphaleriteZnS520156254611,5461321482
Stannite  (*)Stannite SphaleriteCu2FeSnS4520156154613668
Sulphur  (*)SulphurS5201561546112045
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O2762761546121059
Wulfenite  (*)ScheelitePbMoO4270270254611,546131655



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Giersdorf_00000671Mines are found in the La Crouzille district, in the Saint-Sylvestre granitic complex
Giersdorf_00000672Mines are found in the La Crouzille district, in the Saint-Sylvestre granitic complex
Giersdorf_00000673Mines are found in the La Crouzille district, in the Saint-Sylvestre granitic complex
Giersdorf_00000674Mines are found in the La Crouzille district, in the Saint-Sylvestre granitic complex
Giersdorf_00000675Mines are found in the La Crouzille district, in the Saint-Sylvestre granitic complex
Giersdorf_00000676Mines are found in the La Crouzille district, in the Saint-Sylvestre granitic complex
Giersdorf_00000677Mines are found in the La Crouzille district, in the Saint-Sylvestre granitic complex
Giersdorf_00000678Mines are found in the La Crouzille district, in the Saint-Sylvestre granitic complex
Giersdorf_00000679Mines are found in the La Crouzille district, in the Saint-Sylvestre granitic complex
Giersdorf_00000680Mines are found in the La Crouzille district, in the Saint-Sylvestre granitic complex
Giersdorf_00000681Mines are found in the La Crouzille district, in the Saint-Sylvestre granitic complex
Giersdorf_00000682Mines are found in the La Crouzille district, in the Saint-Sylvestre granitic complex
Giersdorf_00000683Mines are found in the La Crouzille district, in the Saint-Sylvestre granitic complex
Giersdorf_00000684Mines are found in the La Crouzille district, in the Saint-Sylvestre granitic complex
Giersdorf_00000685Mines are found in the La Crouzille district, in the Saint-Sylvestre granitic complex
Giersdorf_00000686Mines are found in the La Crouzille district, in the Saint-Sylvestre granitic complex
Giersdorf_00000687Mines are found in the La Crouzille district, in the Saint-Sylvestre granitic complex
Giersdorf_00000688Mines are found in the La Crouzille district, in the Saint-Sylvestre granitic complex
Giersdorf_00000689Mines are found in the La Crouzille district, in the Saint-Sylvestre granitic complex


19 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Giersdorf_00000671276276276U-PbPrimary mineralization of pitchblende/uraninite with pyrite associationhigh   YesPyrite, UraniniteU1720Margnac Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, FranceMargnac MineLeroy et al. (1984)10.1016/0009-2541(84)90119-0CG45_121Age is given for the primary mineralization of the Uranium found in the area
Giersdorf_00000672270270270PbAge for coffinitization of the uraninite and remobilization of U   YesGalenaPb1720Margnac Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, FranceMargnac MineLeroy et al. (1984)10.1016/0009-2541(84)90119-0CG45_121Age is derived from a 6 Ma window measured from Pb found in Galena that specifies the duration of the coffinitizaiton process as the source uraninite is altered and remobilized
Giersdorf_00000673315315315Pb-Pb uraniniteNBS 981 1 YesUraniniteUraniniteU1720Margnac Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, FranceMargnac MineLeroy et al. (1984)10.1016/0009-2541(84)90119-0CG45_121Ages are derived from Pb207/Pb206 ratios after correction
Giersdorf_00000674300300300Pb-Pb uraniniteNBS 981 2 YesUraniniteUraniniteU1720Margnac Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, FranceMargnac MineLeroy et al. (1984)10.1016/0009-2541(84)90119-0CG45_121Ages are derived from Pb207/Pb206 ratios after correction
Giersdorf_00000675342342342Pb-Pb uraniniteNBS 981 3 YesUraniniteUraniniteU1720Margnac Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, FranceMargnac MineLeroy et al. (1984)10.1016/0009-2541(84)90119-0CG45_121Ages are derived from Pb207/Pb206 ratios after correction
Giersdorf_00000676390390390Pb-Pb uraniniteNBS 981 4 YesUraniniteUraniniteU1720Margnac Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, FranceMargnac MineLeroy et al. (1984)10.1016/0009-2541(84)90119-0CG45_121Ages are derived from Pb207/Pb206 ratios after correction
Giersdorf_00000677165165165Pb-Pb uraniniteNBS 981 5 YesUraniniteUraniniteU1720Margnac Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, FranceMargnac MineLeroy et al. (1984)10.1016/0009-2541(84)90119-0CG45_121Ages are derived from Pb207/Pb206 ratios after correction
Giersdorf_00000678250250250Pb-Pb uraniniteNBS 981 6 YesUraniniteUraniniteU1720Margnac Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, FranceMargnac MineLeroy et al. (1984)10.1016/0009-2541(84)90119-0CG45_121Ages are derived from Pb207/Pb206 ratios after correction
Giersdorf_00000679256256256Pb-Pb uraniniteNBS 981 7 YesUraniniteUraniniteU1720Margnac Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, FranceMargnac MineLeroy et al. (1984)10.1016/0009-2541(84)90119-0CG45_121Ages are derived from Pb207/Pb206 ratios after correction
Giersdorf_00000680426426426Pb-Pb uraniniteNBS 981 8 YesUraniniteUraniniteU1720Margnac Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, FranceMargnac MineLeroy et al. (1984)10.1016/0009-2541(84)90119-0CG45_121Ages are derived from Pb207/Pb206 ratios after correction
Giersdorf_00000681267267267Pb-Pb uraniniteNBS 981 9 YesUraniniteUraniniteU1720Margnac Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, FranceMargnac MineLeroy et al. (1984)10.1016/0009-2541(84)90119-0CG45_121Ages are derived from Pb207/Pb206 ratios after correction
Giersdorf_00000682262262262Pb-Pb uraniniteNBS 981 10 YesUraniniteUraniniteU1720Margnac Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, FranceMargnac MineLeroy et al. (1984)10.1016/0009-2541(84)90119-0CG45_121Ages are derived from Pb207/Pb206 ratios after correction
Giersdorf_00000683173173173Pb-Pb uraniniteNBS 981 11 YesUraniniteUraniniteU1720Margnac Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, FranceMargnac MineLeroy et al. (1984)10.1016/0009-2541(84)90119-0CG45_121Ages are derived from Pb207/Pb206 ratios after correction
Giersdorf_00000684255255255Pb-Pb uraniniteNBS 981 12 YesUraniniteUraniniteU1720Margnac Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, FranceMargnac MineLeroy et al. (1984)10.1016/0009-2541(84)90119-0CG45_121Ages are derived from Pb207/Pb206 ratios after correction
Giersdorf_00000685156156156Pb-Pb uraniniteNBS 981 13 YesUraniniteUraniniteU1720Margnac Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, FranceMargnac MineLeroy et al. (1984)10.1016/0009-2541(84)90119-0CG45_121Ages are derived from Pb207/Pb206 ratios after correction
Giersdorf_00000686180180180Pb-Pb uraniniteNBS 981 14 YesUraniniteUraniniteU1720Margnac Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, FranceMargnac MineLeroy et al. (1984)10.1016/0009-2541(84)90119-0CG45_121Ages are derived from Pb207/Pb206 ratios after correction
Giersdorf_00000687520520520Pb-PbThe lead release effect of the alteration from uraninite to coffinite is calculated to be 6 Ma on this sample, and is the source of the 6 Ma window of alteration time.galenaFanay 574 Galena YesGalenaGalena 1720Margnac Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, FranceMargnac MineLeroy et al. (1984)10.1016/0009-2541(84)90119-0CG45_121Ages are derived from Pb207/Pb206 ratios after correction
Giersdorf_00000688315315315Pb-Pb pyriteFanay 574 Pyrite YesPyritePyrite 1720Margnac Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, FranceMargnac MineLeroy et al. (1984)10.1016/0009-2541(84)90119-0CG45_121Ages are derived from Pb207/Pb206 ratios after correction
Giersdorf_00000689175170175-170 Age is thought to correspond with the extension tectonism related to the opening of the Atlantic Ocean as well as the Tethys.   Yes  1720Margnac Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, FranceMargnac MineLeroy et al. (1984)10.1016/0009-2541(84)90119-0CG45_121Age is given for a secondary remobilization of the uraninite, which is undetected by mineralogical studies.


SampleSource LocalityReference URL


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