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:
Luxulyan (Luxullian), Cornwall, England, UK

Oldest recorded age at locality: 284
Youngest recorded age at locality: 270

mindat Locality ID: 34971
mindat URL: http://www.mindat.org/loc-34971.html

Tectonic Settings:

Total number of sublocalities beneath "Luxulyan (Luxullian), Cornwall, England, UK": 15
Total number of bottom-level sublocalities: 11

Number of Child Localities: 5
Child Localities:
Carne Cross
Higher Menadew (Higher Menadue)
Lockengate
Prideaux
Tregarden Quarry (Goldenpoint Quarry)

Latitude: 50°23'33"N
Longitude: 4°45'6"W
Decimal Degree (lat, lon): 50.3925,-4.7516666666667
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 As Au B Bi Ca Cu F Fe H K Na O S Si Sn Zn 

Elements from minerals reported directly at this locality: Au Bi 

Structural Groups for minerals in this locality: 
AmorphousArsenicArsenopyriteChalcopyriteClayCopperDiasporeFeldsparFluoriteKaolinite
NonePharmacosideritePyriteQuartzRutileSphaleriteStibniteTourmaline

16 IMA Minerals at location:
Arsenopyrite  (*)Bismuth  (*)Bismuthinite  (*)Cassiterite  (*)Chalcopyrite  (*)
Fluorite  (*)Goethite  (*)Gold  (*)Kaolinite  (*)Opal  (*)
Orthoclase  (*)Pharmacosiderite  (*)Pyrite  (*)Quartz  (*)Schorl  (*)
Sphalerite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Arsenopyrite  (*)ArsenopyriteFeAsS28427011179299052
Bismuth  (*)ArsenicBi28427001966
Bismuthinite  (*)StibniteBi2S328427011179291935
Cassiterite  (*)RutileSnO22842705117924,117925,117927,117929,1179315171
Chalcopyrite  (*)ChalcopyriteCuFeS2284270111792927198
Fluorite  (*)FluoriteCaF228427011179329617
Goethite  (*)DiasporeFeO(OH)28427011179297437
Gold  (*)CopperAu284270030554
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)428427011179315591
Opal  (*)AmorphousSiO2·nH2O28427011179272994
Orthoclase  (*)FeldsparK(AlSi3O8)2842702117928,1179322349
Pharmacosiderite  (*)PharmacosideriteKFe3+4(AsO4)3(OH)4·6-7H2O2842701117929428
Pyrite  (*)PyriteFeS2284270111792939462
Quartz  (*)QuartzSiO22842703117927,117929,11793061156
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)28427011179282705
Sphalerite  (*)SphaleriteZnS284270111792221482


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
Lucy_171280.8276.6280.8 - 276.6Pb-U/Pb-PbRange of ages given with 206Pb/238U, 207Pb/235U and 207Pb/206Pb.whole rockCORN-208 (8,9,10)    34971Luxulyan (Luxullian), Cornwall, England, UKLuxulyan QuarryChen et al (1993)10.1144/gsjgs.150.6.1183JGSL150_1183Analytical data for igneous monazites with sample and (analysis) numbers
Lucy_172277.9276.1277 ± 0.940Ar-39ArIntergrated age of Cornubian BatholithmuscoviteCORN-208  Muscovite  34971Luxulyan (Luxullian), Cornwall, England, UKLuxulyan QuarryChen et al (1993)10.1144/gsjgs.150.6.1183JGSL150_1183Analytical data for micas
Lucy_173278.1276.1277.1 ± 140Ar-39ArIntergrated age of Cornubian BatholithbiotiteCORN-208    34971Luxulyan (Luxullian), Cornwall, England, UKLuxulyan QuarryChen et al (1993)10.1144/gsjgs.150.6.1183JGSL150_1183Analytical data for micas
Lucy_219284270277 ± 7K-ArAge of St Austells Granitebiotite     34971Luxulyan (Luxullian), Cornwall, England, UKLuxullyan QuarryMiller et al (1964)10.1002/gj.3350040109GJ4_105New ages on the granites and derived rocks

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

All age data...

Other copyright data...