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:
Coal Mines, Tatabánya, Gerecse Mts, Komárom-Esztergom, Hungary

Oldest recorded age at locality: 56
Youngest recorded age at locality: 33.9

mindat Locality ID: 67700
mindat URL: http://www.mindat.org/loc-67700.html

Tectonic Settings:

Total number of sublocalities beneath "Coal Mines, Tatabánya, Gerecse Mts, Komárom-Esztergom, Hungary": 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: Al C Ca Fe H K Mg O S 

Elements from minerals reported directly at this locality: Al C Ca Fe H K Mg O S 

Structural Groups for minerals in this locality: 
AluniteCalciteDiasporeDundasiteEpsomiteGypsumHalotrichiteLepidocrociteMarcasiteMelanterite
NonePyriteStarkeyite

14 IMA Minerals at location:
Alunite  (*)Böhmite  (*)Calcite  (*)Epsomite  (*)Gibbsite  (*)
Goethite  (*)Gypsum  (*)Halotrichite  (*)Jarosite  (*)Kochsándorite  (*)
Marcasite  (*)Melanterite  (*)Pyrite  (*)Rozenite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Alunite  (*)NoneKAl3(SO4)2(OH)65633.90966
Böhmite  (*)LepidocrociteAlO(OH)5633.90195
Calcite  (*)CalciteCa(CO3)5633.9027770
Epsomite  (*)EpsomiteMg(SO4)·7H2O5633.90484
Gibbsite  (*)NoneAl(OH)35633.90504
Goethite  (*)DiasporeFeO(OH)5633.907437
Gypsum  (*)GypsumCa(SO4)·2H2O5633.906890
Halotrichite  (*)HalotrichiteFe2+Al2(SO4)4·22H2O5633.90409
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)65633.902228
Kochsándorite  (*)DundasiteCaAl2(CO3)2(OH)4·H2O5633.903
Marcasite  (*)MarcasiteFeS25633.905674
Melanterite  (*)MelanteriteFe(SO4)·7H2O5633.90915
Pyrite  (*)PyriteFeS25633.9039462
Rozenite  (*)StarkeyiteFe2+(SO4)·4H2O5633.90293



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Michelle_0067Mány coal belongs to Eocene Tatabánya coalfield. The coal deposit overlays Triassic dolomite. Kochsandorite occurs in secondary "Hussar Strings" found in the lower, Ca-Al rich level of the deposit.


1 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
Michelle_00675633.9EoceneStratigraphyAge of coal desposit   YesBohmite, Calcite, Pyrite 67689Coal Mine, Mány, Bicske-Zsámbéki Basin, Fejér, HungaryMány coal depositSajó and Szakáll (2007)10.2113/gscanmin.45.3.479CM45_479Age of coal deposit. Pyrite, böhmite, and calcite formed syngenetically with coal. Unknown age of secondary mineralization. Gibbsite, gypsum, kochsándorite formed as secondary minerals as böhmite, pyrite and calcite weathered contemporaneously .


SampleSource LocalityReference URL


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