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:
Stenalees, Treverbyn, Cornwall, England, UK

Oldest recorded age at locality: 278.7
Youngest recorded age at locality: 268

mindat Locality ID: 222071
mindat URL: http://www.mindat.org/loc-222071.html

Tectonic Settings:

Total number of sublocalities beneath "Stenalees, Treverbyn, Cornwall, England, UK": 7
Total number of bottom-level sublocalities: 7

Number of Child Localities: 7
Child Localities:
Bluebarrow China Clay Pit
Bunny Mine (Bonny Mine; Wheal Eliza; St Austell Hills Mine; Shelton Mine)
Gunheath China Clay Pit
Hensbarrow China Clay Pit
Kerrowmoor China Clay Pit
Singlerose China Clay Pit
Stenalees China Clay Pit

Latitude: 50°22'45"N
Longitude: 4°47'58"W
Decimal Degree (lat, lon): 50.379166666667,-4.7994444444444
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 B Be Bi C Ca Cl Cu F Fe H K La Li Mg Mn Na Nb O P Pb S Si Sn Sr Ti U W Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AluniteAmorphousAndalusiteApatiteArseniosideriteArsenopyriteArthuriteBerauniteBerylBrochantite
ChalcopyriteClayColumbiteConnelliteCopperCorundumCovelliteDigeniteDufréniteFeldspar
FluoriteKaoliniteLazuliteLeucophosphiteMalachiteMicaNoneNot in a structural groupPharmacosideritePhosphosiderite
QuartzRockbridgeiteRutileScheeliteSphaleriteStanniteStannoiditeStibniteStrunziteTetrahedrite
TopazTourmalineTurquoiseWarditeWavelliteWurtziteZircon

68 IMA Minerals at location:
Albite  (*)Arsenopyrite  (*)Arthurite  (*)Azurite  (*)Barbosalite  (*)
Beraunite  (*)Beryl  (*)Bismuthinite  (*)Brochantite  (*)Cacoxenite  (*)
Cassiterite  (*)Chalcopyrite  (*)Chalcosiderite  (*)Columbite-(Mn)  (*)Connellite  (*)
Copper  (*)Corundum  (*)Covellite  (*)Cuprite  (*)Cuprotungstite  (*)
Cyrilovite  (*)Digenite  (*)Dravite  (*)Dufrénite  (*)Elbaite  (*)
Ferberite  (*)Florencite-(La)  (*)Fluorapatite  (*)Fluorite  (*)Frondelite  (*)
Goyazite  (*)Hentschelite  (*)Kaolinite  (*)Kuramite  (*)Leucophosphite  (*)
Libethenite  (*)Malachite  (*)Mawsonite  (*)Metatorbernite  (*)Metavariscite  (*)
Microcline  (*)Mitridatite  (*)Morinite  (*)Muscovite  (*)Opal  (*)
Orthoclase  (*)Pharmacosiderite  (*)Pseudomalachite  (*)Pyromorphite  (*)Quartz  (*)
Rockbridgeite  (*)Rutile  (*)Scheelite  (*)Schorl  (*)Scorodite  (*)
Stannite  (*)Stannoidite  (*)Strunzite  (*)Tennantite-(Fe)  (*)Topaz  (*)
Torbernite  (*)Turquoise  (*)Variscite  (*)Varlamoffite  (*)Wavellite  (*)
Waylandite  (*)Wurtzite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)278.726811191628803
Arsenopyrite  (*)ArsenopyriteFeAsS278.726811191629052
Arthurite  (*)ArthuriteCuFe3+2(AsO4)2(OH)2·4H2O278.7268111916235
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)2278.726811191625509
Barbosalite  (*)LazuliteFe2+Fe3+2(PO4)2(OH)2278.7268111916243
Beraunite  (*)BerauniteFe3+6(PO4)4O(OH)4·6H2O278.72681119162136
Beryl  (*)BerylBe3Al2Si6O18278.726811191624286
Bismuthinite  (*)StibniteBi2S3278.726811191621935
Brochantite  (*)BrochantiteCu4(SO4)(OH)6278.726811191621633
Cacoxenite  (*)NoneFe3+24AlO6(PO4)17(OH)12·75H2O278.72681119162280
Cassiterite  (*)RutileSnO2278.72685119160,119161,119162,119163,1191645171
Chalcopyrite  (*)ChalcopyriteCuFeS2278.7268111916227198
Chalcosiderite  (*)TurquoiseCuFe3+6(PO4)4(OH)8·4H2O278.7268111916277
Columbite-(Mn)  (*)ColumbiteMn2+Nb2O6278.72681119162289
Connellite  (*)ConnelliteCu36(SO4)(OH)62Cl8·6H2O278.72681119162295
Copper  (*)CopperCu278.726811191623846
Corundum  (*)CorundumAl2O3278.726811191621797
Covellite  (*)CovelliteCuS278.726811191624165
Cuprite  (*)Not in a structural groupCu2O278.726811191622970
Cuprotungstite  (*)NoneCu2+3(WO4)2(OH)2278.7268111916267
Cyrilovite  (*)WarditeNaFe3+3(PO4)2(OH)4·2H2O278.7268111916260
Digenite  (*)DigeniteCu1.8S278.726811191621027
Dravite  (*)TourmalineNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)278.72681119162648
Dufrénite  (*)DufréniteCa0.5Fe2+Fe3+5(PO4)4(OH)6·2H2O278.72681119162139
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)278.72681119162520
Ferberite  (*)ColumbiteFe2+(WO4)278.72681119162551
Florencite-(La)  (*)AluniteLaAl3(PO4)2(OH)6278.7268111916212
Fluorapatite  (*)ApatiteCa5(PO4)3F278.726811191622740
Fluorite  (*)FluoriteCaF2278.72682119162,1191639617
Frondelite  (*)Rockbridgeite(Mn2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)5278.7268111916252
Goyazite  (*)AluniteSrAl3(PO4)(PO3OH)(OH)6278.72681119162173
Hentschelite  (*)LazuliteCuFe3+2(PO4)2(OH)2278.7268111916220
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)4278.72682119162,1191635591
Kuramite  (*)Stannite SphaleriteCu3SnS4278.7268111916212
Leucophosphite  (*)LeucophosphiteKFe3+2(PO4)2(OH)·2H2O278.72681119162110
Libethenite  (*)AndalusiteCu2(PO4)(OH)278.72681119162234
Malachite  (*)MalachiteCu2(CO3)(OH)2278.7268111916212537
Mawsonite  (*)NoneCu6Fe2SnS8278.7268111916292
Metatorbernite  (*)NoneCu(UO2)2(PO4)2·8H2O278.72681119162443
Metavariscite  (*)PhosphosideriteAl(PO4)·2H2O278.7268111916227
Microcline  (*)FeldsparK(AlSi3O8)278.726811191624924
Mitridatite  (*)ArseniosideriteCa2Fe3+3O2(PO4)3·3H2O278.72681119162129
Morinite  (*)NoneNaCa2Al2(PO4)2(OH)F4·2H2O278.7268111916222
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2278.72682119162,11916317380
Opal  (*)AmorphousSiO2·nH2O278.726811191622994
Orthoclase  (*)FeldsparK(AlSi3O8)278.726811191622349
Pharmacosiderite  (*)PharmacosideriteKFe3+4(AsO4)3(OH)4·6-7H2O278.72681119162428
Pseudomalachite  (*)NoneCu5(PO4)2(OH)4278.72681119162369
Pyromorphite  (*)ApatitePb5(PO4)3Cl278.726811191621725
Quartz  (*)QuartzSiO2278.72682119162,11916361156
Rockbridgeite  (*)Rockbridgeite(Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)5278.72681119162206
Rutile  (*)RutileTiO2278.726811191625614
Scheelite  (*)ScheeliteCa(WO4)278.726811191624894
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)278.72682119162,1191632705
Scorodite  (*)NoneFe3+(AsO4)·2H2O278.726811191621153
Stannite  (*)Stannite SphaleriteCu2FeSnS4278.72681119162668
Stannoidite  (*)StannoiditeCu8(Fe,Zn)3Sn2S12278.7268111916280
Strunzite  (*)StrunziteMn2+Fe3+2(PO4)2(OH)2·6H2O278.7268111916298
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S13278.726811191621803
Topaz  (*)TopazAl2SiO4F2278.726811191621476
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O278.726811191621059
Turquoise  (*)TurquoiseCuAl6(PO4)4(OH)8·4H2O278.72683119161,119162,119163484
Variscite  (*)NoneAl(PO4)·2H2O278.72682119162,119163301
Varlamoffite  (*)Rutile(Sn,Fe)(O,OH)2278.72682119161,11916256
Wavellite  (*)WavelliteAl3(PO4)2(OH)3·5H2O278.72682119162,119163374
Waylandite  (*)AluniteBiAl3(PO4)2(OH)6278.7268111916231
Wurtzite  (*)WurtziteZnS278.72681119162372
Zircon  (*)ZirconZr(SiO4)278.726811191625251


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_138a277.7269.1273.4 ± 4.3K/ArNew K/Ar determination 223    965Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UKGunheathBray and Spooner (1983)10.1144/GSL.SP.1964.001.01.15EG78_1064 
Lucy_138b278.7269.5274.1 ± 4.6K/ArNew K/Ar determination 230    965Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UKGunheathBray and Spooner (1983)10.1144/GSL.SP.1964.001.01.15EG78_1064 
Lucy_138c276.8268272.4 ± 4.4K/ArNew K/Ar determination 237    965Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UKGunheathBray and Spooner (1983)10.1144/GSL.SP.1964.001.01.15EG78_1064 
Lucy_138d273.9272.9273.4 ± 4.3K/ArNew K/Ar determination      965Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UKGunheathBray and Spooner (1983)10.1144/GSL.SP.1964.001.01.15EG78_1064Arithmetic mean of 3 samples

SampleSource LocalityReference URL
R060339Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UKhttps://rruff.info/R060339
R060504Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UKhttps://rruff.info/R060504
R060338Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UKhttps://rruff.info/R060338

All locality data graciously provided by mindat.org

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