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:
El Entredicho Mine, Almadenejos, Almadén District, Ciudad Real, Castile-La Mancha, Spain

Oldest recorded age at locality: 363.1
Youngest recorded age at locality: 358.2

mindat Locality ID: 130643
mindat URL: http://www.mindat.org/loc-130643.html

Tectonic Settings:

Total number of sublocalities beneath "El Entredicho Mine, Almadenejos, Almadén District, Ciudad Real, Castile-La Mancha, Spain": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Las Minetas De Valdeazogues

Latitude: 38°43'41"N
Longitude: 4°40'29"W
Decimal Degree (lat, lon): 38.728055555556,-4.6747222222222
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 Ba C Ca Cl Co Cu Fe H Hg K Mg N Na Ni O Pb S Si Zn 

Elements from minerals reported directly at this locality: Al Ba C Ca Cl Co Cu Fe H Hg K Mg N Na Ni O Pb S Si Zn 

Structural Groups for minerals in this locality: 
AluniteAragoniteBaryteCalciteChalcopyriteClayDiasporeGypsumMalachiteMarcasite
MicaMilleriteNonePyriteQuartzRocksaltSphaleriteSpinelWurtzite

34 IMA Minerals at location:
Ankerite  (*)Aragonite  (*)Baryte  (*)Calcite  (*)Calomel  (*)
Chalcopyrite  (*)Cinnabar  (*)Dolomite  (*)Donharrisite  (*)Eglestonite  (*)
Galena  (*)Goethite  (*)Gortdrumite  (*)Graphite  (*)Gypsum  (*)
Hydroniumjarosite  (*)Jarosite  (*)Malachite  (*)Marcasite  (*)Mercury  (*)
Metacinnabar  (*)Millerite  (*)Montroydite  (*)Muscovite  (*)Natrojarosite  (*)
Pyrite  (*)Quartz  (*)Schuetteite  (*)Siderite  (*)Siegenite  (*)
Sphalerite  (*)Spinel  (*)Uricite  (*)Wurtzite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)2363.1358.203092
Aragonite  (*)AragoniteCa(CO3)363.1358.203250
Baryte  (*)BaryteBa(SO4)363.1358.2011547
Calcite  (*)CalciteCa(CO3)363.1358.2027770
Calomel  (*)NoneHgCl363.1358.2091
Chalcopyrite  (*)ChalcopyriteCuFeS2363.1358.2027198
Cinnabar  (*)NoneHgS363.1358.202600
Dolomite  (*)NoneCaMg(CO3)2363.1358.209895
Donharrisite  (*)NoneNi3HgS3363.1358.203
Eglestonite  (*)None([Hg1+]2)3OCl3(OH)363.1358.2036
Galena  (*)RocksaltPbS363.1358.2024243
Goethite  (*)DiasporeFeO(OH)363.1358.207437
Gortdrumite  (*)NoneCu24Fe2Hg9S23363.1358.205
Graphite  (*)NoneC363.1358.202812
Gypsum  (*)GypsumCa(SO4)·2H2O363.1358.206890
Hydroniumjarosite  (*)Alunite(H3O)Fe3+3(SO4)2(OH)6363.1358.2065
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)6363.1358.202228
Malachite  (*)MalachiteCu2(CO3)(OH)2363.1358.2012537
Marcasite  (*)MarcasiteFeS2363.1358.205674
Mercury  (*)NoneHg363.1358.20397
Metacinnabar  (*)SphaleriteHgS363.1358.20255
Millerite  (*)MilleriteNiS363.1358.201066
Montroydite  (*)NoneHgO363.1358.2029
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2363.1358.2017380
Natrojarosite  (*)AluniteNaFe3+3(SO4)2(OH)6363.1358.20254
Pyrite  (*)PyriteFeS2363.1358.2039462
Quartz  (*)QuartzSiO2363.1358.2061156
Schuetteite  (*)NoneHg3O2(SO4)00021
Siderite  (*)CalciteFe(CO3)363.1358.206417
Siegenite  (*)SpinelCoNi2S4363.1358.20249
Sphalerite  (*)SphaleriteZnS363.1358.2021482
Spinel  (*)SpinelMgAl2O4363.1358.201934
Uricite  (*)NoneC5H4N4O3363.1358.2013
Wurtzite  (*)WurtziteZnS363.1358.20372


4 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
Hg-00028-El Entredicho-01360.8360360.4 ± .4Ar-Arminimum age of illiteilliteee4   Hg130643El Entredicho Mine, Almadenejos, Almadén District, Ciudad Real, Castile-La Mancha, SpainEl EntredichoHall et al. (1997)10.1016/S0012-821X(97)00041-1EPSL148_287Ar retention ages are equivelent to K-Ar ages, so, represent the minimum age of illite formation
Hg-00028-El Entredicho-02359358.2358.6 ±.4Ar-Arminimum age of illiteillitesme32/1   Hg130643El Entredicho Mine, Almadenejos, Almadén District, Ciudad Real, Castile-La Mancha, SpainEl EntredichoHall et al. (1997)10.1016/S0012-821X(97)00041-1EPSL148_287Ar retention ages are equivelent to K-Ar ages, so, represent the minimum age of illite formation
Hg-00028-El Entredicho-03363.1361.5362.3 ± .8Ar-Arminimum age of illiteillitesme32/2 < I um   Hg130643El Entredicho Mine, Almadenejos, Almadén District, Ciudad Real, Castile-La Mancha, SpainEl EntredichoHall et al. (1997)10.1016/S0012-821X(97)00041-1EPSL148_287Ar retention ages are equivelent to K-Ar ages, so, represent the minimum age of illite formation
Hg-00028-El Entredicho-04361.1359.5360.3 ±.8Ar-Arminimum age of illiteillitesme32/2 < 0.2 um   Hg130643El Entredicho Mine, Almadenejos, Almadén District, Ciudad Real, Castile-La Mancha, SpainEl EntredichoHall et al. (1997)10.1016/S0012-821X(97)00041-1EPSL148_287Ar retention ages are equivelent to K-Ar ages, so, represent the minimum age of illite formation

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

All age data...

Other copyright data...