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:
Christa Mine, Großschloppen, Weißenstadt, Wunsiedel In Fichtelgebirge, Upper Franconia, Bavaria, Germany

Oldest recorded age at locality: 324
Youngest recorded age at locality: 0

mindat Locality ID: 14897
mindat URL: http://www.mindat.org/loc-14897.html

Tectonic Settings:

Total number of sublocalities beneath "Christa Mine, Großschloppen, Weißenstadt, Wunsiedel In Fichtelgebirge, Upper Franconia, Bavaria, Germany": 0
Total number of bottom-level sublocalities: 0

Latitude: 50°7'58"N
Longitude: 11°56'48"E
Decimal Degree (lat, lon): 50.132777777778,11.946666666667
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 Au Ba Bi C Ca Cu F Fe H K Mg O P Pb S Se Si U Y 

Elements from minerals reported directly at this locality: Al Au Ba Bi C Ca Cu F Fe H K Mg O P Pb S Se Si U Y 

Structural Groups for minerals in this locality: 
ArsenicAutuniteBaryteCalciteChalcopyriteClayClinozoisiteCopperCorundumCovellite
EpidoteFluoriteGypsumMicaNoneNot in a structural groupPhosphuranylitePyriteQuartzRocksalt
SchoepiteStibniteWölsendorfiteZircon

39 IMA Minerals at location:
Autunite  (*)Baryte  (*)Berzelianite  (*)Bismuth  (*)Bornite  (*)
Calcite  (*)Chalcocite  (*)Chalcopyrite  (*)Churchite-(Y)  (*)Clausthalite  (*)
Coffinite  (*)Copper  (*)Covellite  (*)Cuprite  (*)Dewindtite  (*)
Dolomite  (*)Epidote  (*)Fluorite  (*)Fourmarierite  (*)Galena  (*)
Gold  (*)Guanajuatite  (*)Hematite  (*)Klockmannite  (*)Metatorbernite  (*)
Muscovite  (*)Phosphuranylite  (*)Pyrite  (*)Quartz  (*)Sabugalite  (*)
Saléeite  (*)Sklodowskite  (*)Torbernite  (*)Umangite  (*)Uraninite  (*)
Uranophane-α  (*)Uranosphaerite  (*)Vandendriesscheite  (*)Wölsendorfite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O319001272
Baryte  (*)BaryteBa(SO4)3240011547
Berzelianite  (*)NoneCu2-xSe (x ≈ 0.12)3240066
Bismuth  (*)ArsenicBi324001966
Bornite  (*)NoneCu5FeS4324005516
Calcite  (*)CalciteCa(CO3)3240027770
Chalcocite  (*)NoneCu2S324005707
Chalcopyrite  (*)ChalcopyriteCuFeS23240027198
Churchite-(Y)  (*)GypsumY(PO4)·2H2O3240070
Clausthalite  (*)RocksaltPbSe32400281
Coffinite  (*)ZirconU(SiO4)·nH2O31900566
Copper  (*)CopperCu324003846
Covellite  (*)CovelliteCuS324004165
Cuprite  (*)Not in a structural groupCu2O324002970
Dewindtite  (*)PhosphuranyliteH2Pb3(UO2)6O4(PO4)4·12H2O3190082
Dolomite  (*)NoneCaMg(CO3)2324009895
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)324008173
Fluorite  (*)FluoriteCaF2324009617
Fourmarierite  (*)SchoepitePb1-xO3-2x(UO2)4(OH)4+2x·4H2O3190061
Galena  (*)RocksaltPbS3240024243
Gold  (*)CopperAu3240030554
Guanajuatite  (*)StibniteBi2Se33240037
Hematite  (*)CorundumFe2O33240014640
Klockmannite  (*)CovelliteCu5.2Se63240063
Metatorbernite  (*)NoneCu(UO2)2(PO4)2·8H2O31900443
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)23240017380
Phosphuranylite  (*)PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4·8H2O31900182
Pyrite  (*)PyriteFeS23240039462
Quartz  (*)QuartzSiO23240061156
Sabugalite  (*)NoneHAl(UO2)4(PO4)4·16H2O3190087
Saléeite  (*)NoneMg(UO2)2(PO4)2(H2O)103190095
Sklodowskite  (*)NoneMg(UO2)2(SiO3OH)2·6H2O3190056
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O7.14.901059
Umangite  (*)NoneCu3Se23240071
Uraninite  (*)FluoriteUO2319002718
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O31900890
Uranosphaerite  (*)NoneBi(UO2)O2(OH)3190018
Vandendriesscheite  (*)NonePb1.6(UO2)10O6(OH)11·11H2O3190052
Wölsendorfite  (*)WölsendorfitePb7(UO2)14O19(OH)4·12H2O3190043


Locality Notes from all Ages at Locality:
Age IDLocality Notes
Giersdorf_00000735The Grossschloppen-Hebanz U Occurence is a uranium prospect found in the Fichtelgebirge Mountains of Bavaria, Germany. The locality is associated with the Variscan orogenic event
Giersdorf_00000736The Grossschloppen-Hebanz U Occurence is a uranium prospect found in the Fichtelgebirge Mountains of Bavaria, Germany. The locality is associated with the Variscan orogenic event
Giersdorf_00000737The Grossschloppen-Hebanz U Occurence is a uranium prospect found in the Fichtelgebirge Mountains of Bavaria, Germany. The locality is associated with the Variscan orogenic event
Giersdorf_00000738The Grossschloppen-Hebanz U Occurence is a uranium prospect found in the Fichtelgebirge Mountains of Bavaria, Germany. The locality is associated with the Variscan orogenic event
Giersdorf_00000739The Grossschloppen-Hebanz U Occurence is a uranium prospect found in the Fichtelgebirge Mountains of Bavaria, Germany. The locality is associated with the Variscan orogenic event
Giersdorf_00000740The Grossschloppen-Hebanz U Occurence is a uranium prospect found in the Fichtelgebirge Mountains of Bavaria, Germany. The locality is associated with the Variscan orogenic event
Giersdorf_00000741The Grossschloppen-Hebanz U Occurence is a uranium prospect found in the Fichtelgebirge Mountains of Bavaria, Germany. The locality is associated with the Variscan orogenic event
Giersdorf_00000742The Grossschloppen-Hebanz U Occurence is a uranium prospect found in the Fichtelgebirge Mountains of Bavaria, Germany. The locality is associated with the Variscan orogenic event


8 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_00000735324296310±14 Upper limit for the age of the formation of the uranium deposit   Yes  279412Großschloppen, Weißenstadt, Wunsiedel In Fichtelgebirge, Upper Franconia, Bavaria, GermanyGrossschloppenDill et al. (1986) IAEA_TECDOC_361Age is attributed to the Weissenstadt-Markleuthen Granite found in the Grossschloppen area
Giersdorf_00000736292284288±4 Upper limit for the age of the formation of the uranium deposit   Yes  279412Großschloppen, Weißenstadt, Wunsiedel In Fichtelgebirge, Upper Franconia, Bavaria, GermanyGrossschloppenDill et al. (1986) IAEA_TECDOC_361One of two ages is attributed to the Peripheral, Central, and Tin Granites found in the Grossschloppen area
Giersdorf_00000737291279285±6 Upper limit for the age of the formation of the uranium deposit   Yes  279412Großschloppen, Weißenstadt, Wunsiedel In Fichtelgebirge, Upper Franconia, Bavaria, GermanyGrossschloppenDill et al. (1986) IAEA_TECDOC_361One of two ages is attributed to the Peripheral, Central, and Tin Granites found in the Grossschloppen area
Giersdorf_00000738245221233±12 Age is attributed to the development of the pitchblende of the mine, although the sample studied was not pitchblendelowtorbernite  YesTorberniteUraniniteU279412Großschloppen, Weißenstadt, Wunsiedel In Fichtelgebirge, Upper Franconia, Bavaria, GermanyGrossschloppenDill et al. (1986) IAEA_TECDOC_361Discordant age for the primary emplacement of the U minerals
Giersdorf_000007397.14.96±1.1 Age is interpreted to be the true age of the torbernitetorbernite  YesTorberniteTorberniteU279412Großschloppen, Weißenstadt, Wunsiedel In Fichtelgebirge, Upper Franconia, Bavaria, GermanyGrossschloppenDill et al. (1986) IAEA_TECDOC_361Age of reshuffling of the uranium minerals, alteration from pitchblende into the secondary U minerals of the area
Giersdorf_00000740319220268+51/-48 Age is attributed to the type-I uranophane which is sourced from altered pitchblendeuranophane  YesUraniniteU279412Großschloppen, Weißenstadt, Wunsiedel In Fichtelgebirge, Upper Franconia, Bavaria, GermanyGrossschloppenDill et al. (1986) IAEA_TECDOC_361Age is provided as 268+51/-48, and is from uranophane which is an altered product of the pitchblende
Giersdorf_000007413.603.6-0 Age is attributed to the type-I uranophane which is sourced from altered pitchblendeuranophane  YesUraniniteU279412Großschloppen, Weißenstadt, Wunsiedel In Fichtelgebirge, Upper Franconia, Bavaria, GermanyGrossschloppenDill et al. (1986) IAEA_TECDOC_361Secondary age from the type-I uranophane, which is noted to be isotopically distinct from another type labelled type-II
Giersdorf_00000742202.0-0 The source of the uranophane is described as having two possible methods, being either hydrothermal fluid processes or derivation from secondary U minerals. The latter option is preferred as there is no evidence for hydrothermal activity during the suspecuranophane  Yes U279412Großschloppen, Weißenstadt, Wunsiedel In Fichtelgebirge, Upper Franconia, Bavaria, GermanyGrossschloppenDill et al. (1986) IAEA_TECDOC_361Age is given for uranophane which is referred to as type-II

SampleSource LocalityReference URL

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