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:
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: 204177
mindat URL: http://www.mindat.org/loc-204177.html

Tectonic Settings:

Total number of sublocalities beneath "Almadenejos, Almadén District, Ciudad Real, Castile-La Mancha, Spain": 7
Total number of bottom-level sublocalities: 6

Number of Child Localities: 6
Child Localities:
El Aguila Prospect
El Entredicho Mine
Nueva Concepción Mine
Nuevo Entredicho Mine
Quinto Del Hierro Mine
Vieja Concepción Mine

Latitude: 51°33'1"N
Longitude: 2°27'35"W
Decimal Degree (lat, lon): 51.550277777778,-2.4597222222222
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 P Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AluniteApatiteAragoniteBaryteBournoniteCalciteChalcopyriteClayDiasporeGypsum
MalachiteMarcasiteMicaMilleriteNonePyriteQuartzRocksaltSphaleriteSpinel
TetrahedriteWurtzite

38 IMA Minerals at location:
Ankerite  (*)Aragonite  (*)Baryte  (*)Bournonite  (*)Calcite  (*)
Calomel  (*)Cerussite  (*)Chalcopyrite  (*)Cinnabar  (*)Dolomite  (*)
Donharrisite  (*)Eglestonite  (*)Galena  (*)Goethite  (*)Gortdrumite  (*)
Graphite  (*)Gypsum  (*)Hydroniumjarosite  (*)Jarosite  (*)Malachite  (*)
Marcasite  (*)Mercury  (*)Metacinnabar  (*)Millerite  (*)Montroydite  (*)
Muscovite  (*)Natrojarosite  (*)Pyrite  (*)Pyromorphite  (*)Quartz  (*)
Schuetteite  (*)Siderite  (*)Siegenite  (*)Sphalerite  (*)Spinel  (*)
Tetrahedrite-(Zn)  (*)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)2363.1358.22109436,1094403092
Aragonite  (*)AragoniteCa(CO3)363.1358.211094363250
Baryte  (*)BaryteBa(SO4)363.1358.2110943611547
Bournonite  (*)BournoniteCuPbSbS311094401089
Calcite  (*)CalciteCa(CO3)363.1358.2110943627770
Calomel  (*)NoneHgCl363.1358.2110943691
Cerussite  (*)AragonitePb(CO3)11094404979
Chalcopyrite  (*)ChalcopyriteCuFeS2363.1358.22109436,10944027198
Cinnabar  (*)NoneHgS363.1358.23109435,109436,1094382600
Dolomite  (*)NoneCaMg(CO3)2363.1358.211094369895
Donharrisite  (*)NoneNi3HgS3363.1358.211094363
Eglestonite  (*)None([Hg1+]2)3OCl3(OH)363.1358.2110943636
Galena  (*)RocksaltPbS363.1358.22109436,10944024243
Goethite  (*)DiasporeFeO(OH)363.1358.211094367437
Gortdrumite  (*)NoneCu24Fe2Hg9S23363.1358.211094365
Graphite  (*)NoneC363.1358.211094362812
Gypsum  (*)GypsumCa(SO4)·2H2O363.1358.211094366890
Hydroniumjarosite  (*)Alunite(H3O)Fe3+3(SO4)2(OH)6363.1358.2110943665
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)6363.1358.211094362228
Malachite  (*)MalachiteCu2(CO3)(OH)2363.1358.2110943612537
Marcasite  (*)MarcasiteFeS2363.1358.211094365674
Mercury  (*)NoneHg363.1358.22109436,109438397
Metacinnabar  (*)SphaleriteHgS363.1358.21109436255
Millerite  (*)MilleriteNiS363.1358.211094361066
Montroydite  (*)NoneHgO363.1358.2110943629
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2363.1358.22109436,10943817380
Natrojarosite  (*)AluniteNaFe3+3(SO4)2(OH)6363.1358.21109436254
Pyrite  (*)PyriteFeS2363.1358.22109436,10944039462
Pyromorphite  (*)ApatitePb5(PO4)3Cl11094401725
Quartz  (*)QuartzSiO2363.1358.22109436,10944061156
Schuetteite  (*)NoneHg3O2(SO4)00110943621
Siderite  (*)CalciteFe(CO3)363.1358.211094366417
Siegenite  (*)SpinelCoNi2S4363.1358.21109436249
Sphalerite  (*)SphaleriteZnS363.1358.22109436,10944021482
Spinel  (*)SpinelMgAl2O4363.1358.211094361934
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1311094405317
Uricite  (*)NoneC5H4N4O3363.1358.2110943613
Wurtzite  (*)WurtziteZnS363.1358.21109436372


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

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