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:
Llechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK


mindat Locality ID: 4281
mindat URL: http://www.mindat.org/loc-4281.html

Tectonic Settings:

Total number of sublocalities beneath "Llechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK": 0
Total number of bottom-level sublocalities: 0

Latitude: 52°26'38"N
Longitude: 3°56'16"W
Decimal Degree (lat, lon): 52.443888888889,-3.9377777777778
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 C Ca Cl Cu Fe H Mn Mo O P Pb S Sb Se Si Zn 

Elements from minerals reported directly at this locality: Al Au C Ca Cl Cu Fe H Mn Mo O P Pb S Sb Se Si Zn 

Structural Groups for minerals in this locality: 
AllophaneApatiteAragoniteBaryteBournoniteBrochantiteCalciteCaledoniteChalcopyriteChenite
CopperCovelliteDiasporeLinariteMalachiteMarcasiteNonePyriteQuartzRocksalt
RutileScheeliteSphalerite

34 IMA Minerals at location:
Anglesite  (*)Bornite  (*)Bournonite  (*)Brochantite  (*)Calcite  (*)
Caledonite  (*)Cerussite  (*)Chalcocite  (*)Chalcopyrite  (*)Chenite  (*)
Chrysocolla  (*)Covellite  (*)Elyite  (*)Galena  (*)Goethite  (*)
Gold  (*)Hydrocerussite  (*)Hydrozincite  (*)Langite  (*)Linarite  (*)
Malachite  (*)Marcasite  (*)Mattheddleite  (*)Pyrite  (*)Pyrolusite  (*)
Pyromorphite  (*)Quartz  (*)Redgillite  (*)Schmiederite  (*)Sphalerite  (*)
Steverustite  (*)Susannite  (*)Wroewolfeite  (*)Wulfenite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anglesite  (*)BarytePb(SO4)02734
Bornite  (*)NoneCu5FeS405516
Bournonite  (*)BournoniteCuPbSbS301089
Brochantite  (*)BrochantiteCu4(SO4)(OH)601633
Calcite  (*)CalciteCa(CO3)027770
Caledonite  (*)CaledoniteCu2Pb5(SO4)3(CO3)(OH)60359
Cerussite  (*)AragonitePb(CO3)04979
Chalcocite  (*)NoneCu2S05707
Chalcopyrite  (*)ChalcopyriteCuFeS2027198
Chenite  (*)CheniteCuPb4(SO4)2(OH)6040
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O03531
Covellite  (*)CovelliteCuS04165
Elyite  (*)NoneCuPb4(SO4)O2(OH)4·H2O085
Galena  (*)RocksaltPbS024243
Goethite  (*)DiasporeFeO(OH)07437
Gold  (*)CopperAu030554
Hydrocerussite  (*)NonePb3(CO3)2(OH)20201
Hydrozincite  (*)NoneZn5(CO3)2(OH)601066
Langite  (*)NoneCu4(SO4)(OH)6·2H2O0593
Linarite  (*)LinariteCuPb(SO4)(OH)20987
Malachite  (*)MalachiteCu2(CO3)(OH)2012537
Marcasite  (*)MarcasiteFeS205674
Mattheddleite  (*)ApatitePb5(SiO4)1.5(SO4)1.5Cl032
Pyrite  (*)PyriteFeS2039462
Pyrolusite  (*)RutileMnO203106
Pyromorphite  (*)ApatitePb5(PO4)3Cl01725
Quartz  (*)QuartzSiO2061156
Redgillite  (*)NoneCu6(SO4)(OH)10·H2O045
Schmiederite  (*)LinariteCu2Pb2(Se4+O3)(Se6+O4)(OH)4013
Sphalerite  (*)SphaleriteZnS021482
Steverustite  (*)NonePb2+5(OH)5[Cu1+(S6+O3S2-)3](H2O)2017
Susannite  (*)NonePb4(SO4)(CO3)2(OH)2099
Wroewolfeite  (*)NoneCu4(SO4)(OH)6·2H2O095
Wulfenite  (*)ScheelitePbMoO401655


No ages have been assigned to this locality yet.
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