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:
Les Farges Mine, Ussel, Corrèze, Nouvelle-Aquitaine, France

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

mindat Locality ID: 1688
mindat URL: http://www.mindat.org/loc-1688.html

Tectonic Settings:

Total number of sublocalities beneath "Les Farges Mine, Ussel, Corrèze, Nouvelle-Aquitaine, France": 0
Total number of bottom-level sublocalities: 0

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: Ag Al As Ba C Ca Cl Cu F Fe H K Mg Mo Na Ni O P Pb S Sb Si V Zn 

Elements from minerals reported directly at this locality: Ag Al As Ba C Ca Cl Cu F Fe H K Mg Mo Na Ni O P Pb S Sb Si V Zn 

Structural Groups for minerals in this locality: 
AcanthiteAllargentumApatiteAragoniteArsenicArsenopyriteBaryteBournoniteCalciteChalcopyrite
ClayCopperCovelliteDescloiziteDiasporeDigeniteEnargiteFluoriteGeocroniteKaolinite
LillianiteMarcasiteMicaNickelineNonePolybasitePyriteQuartzRocksaltScheelite
Smectite-vermiculiteSphaleriteSpinelStanniteTetrahedriteWurtzite

44 IMA Minerals at location:
Acanthite  (*)Arsenic  (*)Arsenopyrite  (*)Baryte  (*)Boulangerite  (*)
Bournonite  (*)Calcite  (*)Cerussite  (*)Chalcopyrite  (*)Covellite  (*)
Descloizite  (*)Digenite  (*)Dyscrasite  (*)Enargite  (*)Famatinite  (*)
Fizélyite  (*)Fluorite  (*)Freibergite  (*)Freieslebenite  (*)Galena  (*)
Geocronite  (*)Goethite  (*)Kaolinite  (*)Magnetite  (*)Marcasite  (*)
Mimetite  (*)Montmorillonite  (*)Muscovite  (*)Gersdorffite-Pa3  (*)Pearceite  (*)
Phosgenite  (*)Proustite  (*)Pyrargyrite  (*)Pyrite  (*)Pyromorphite  (*)
Pyrrhotite  (*)Quartz  (*)Semseyite  (*)Silver  (*)Sphalerite  (*)
Tennantite-(Fe)  (*)Tetrahedrite-(Zn)  (*)Vanadinite  (*)Wulfenite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S52015602793
Arsenic  (*)ArsenicAs5201560379
Arsenopyrite  (*)ArsenopyriteFeAsS52015609052
Baryte  (*)BaryteBa(SO4)520156011547
Boulangerite  (*)NonePb5Sb4S112702700843
Bournonite  (*)BournoniteCuPbSbS327027001089
Calcite  (*)CalciteCa(CO3)520156027770
Cerussite  (*)AragonitePb(CO3)27027004979
Chalcopyrite  (*)ChalcopyriteCuFeS2520156027198
Covellite  (*)CovelliteCuS52015604165
Descloizite  (*)DescloizitePbZn(VO4)(OH)2702700378
Digenite  (*)DigeniteCu1.8S52015601027
Dyscrasite  (*)AllargentumAg3+xSb1-x (x ≈ 0.2)5201560180
Enargite  (*)Enargite WurtziteCu3AsS45201560910
Famatinite  (*)Stannite SphaleriteCu3SbS45201560163
Fizélyite  (*)LillianiteAg5Pb14Sb21S48270270054
Fluorite  (*)FluoriteCaF252015609617
Freibergite  (*)TetrahedriteAg6[Cu4Fe2]Sb4S125201560663
Freieslebenite  (*)NoneAgPbSbS32702700105
Galena  (*)RocksaltPbS520520024243
Geocronite  (*)GeocronitePb14Sb6S232702700133
Goethite  (*)DiasporeFeO(OH)52015607437
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)452015605591
Magnetite  (*)SpinelFe2+Fe3+2O4520156014899
Marcasite  (*)MarcasiteFeS252015605674
Mimetite  (*)ApatitePb5(AsO4)3Cl27027001107
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O52015601508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2520156017380
Gersdorffite-Pa3  (*)PyriteNiAsS5201560767
Pearceite  (*)Polybasite[Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]5201560249
Phosgenite  (*)NonePb2(CO3)Cl22702700142
Proustite  (*)NoneAg3AsS35201560733
Pyrargyrite  (*)NoneAg3SbS352015601425
Pyrite  (*)PyriteFeS2315315039462
Pyromorphite  (*)ApatitePb5(PO4)3Cl27027001725
Pyrrhotite  (*)NickelineFe7S852015609056
Quartz  (*)QuartzSiO2520156061156
Semseyite  (*)NonePb9Sb8S212702700165
Silver  (*)CopperAg52015605186
Sphalerite  (*)SphaleriteZnS520156021482
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S1352015601803
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1352015605317
Vanadinite  (*)ApatitePb5(VO4)3Cl2702700605
Wulfenite  (*)ScheelitePbMoO427027001655


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
R060285Les Farges Mine, Ussel, Corrèze, Nouvelle-Aquitaine, Francehttps://rruff.info/R060285

All locality data graciously provided by mindat.org

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