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:
St Day, Gwennap, Cornwall, England, UK


mindat Locality ID: 296320
mindat URL: http://www.mindat.org/loc-296320.html

Tectonic Settings:

Total number of sublocalities beneath "St Day, Gwennap, Cornwall, England, UK": 29
Total number of bottom-level sublocalities: 22

Number of Child Localities: 9
Child Localities:
Clifford Amalgamated Mines
Crofthandy
East Wheal Maid
St Day United Mines (Poldice Mines)
United Downs
Wheal Jewel
Wheal Maid
Wheal Maid Decline
Wheal Unity

Latitude: 50°14'10"N
Longitude: 5°9'56"W
Decimal Degree (lat, lon): 50.236111111111,-5.1655555555556

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: Ag Al As B Ba Be Bi C Ca Cl Co Cu F Fe H K Mg Mn Mo Na Ni O P Pb S Sb Si Sn Ti U Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAluniteAmphiboleAndalusiteApatiteArsenopyriteAutuniteBaryteBrochantiteBrookite
CalciteChalcanthiteChalcophylliteChalcopyriteChenevixiteConnelliteCopperDiasporeFeldsparFluorite
GypsumLinariteLiroconiteMalachiteMarcasiteMelanteriteMilleriteMixiteMolybdeniteNone
Not in a structural groupPharmacosideritePhenakitePyriteQuartzRocksaltRutileScheeliteSpangoliteSphalerite
StibniteTetrahedriteTitaniteTourmalineVivianiteWurtzite

73 IMA Minerals at location:
Actinolite  (*)Anatase  (*)Arsenogorceixite  (*)Arsenopyrite  (*)Asbolane  (*)
Azurite  (*)Baryte  (*)Bismuthinite  (*)Bornite  (*)Brochantite  (*)
Brookite  (*)Cassiterite  (*)Cattiite  (*)Ceruleite  (*)Chalcanthite  (*)
Chalcocite  (*)Chalcophyllite  (*)Chalcopyrite  (*)Chenevixite  (*)Chrysocolla  (*)
Clinoclase  (*)Connellite  (*)Copper  (*)Corkite  (*)Cornubite  (*)
Cornwallite  (*)Cuprite  (*)Erythrite  (*)Fluorite  (*)Galena  (*)
Goethite  (*)Gypsum  (*)Langite  (*)Libethenite  (*)Linarite  (*)
Liroconite  (*)Liskeardite  (*)Malachite  (*)Marcasite  (*)Melanterite  (*)
Millerite  (*)Mimetite  (*)Mixite  (*)Molybdenite  (*)Olivenite  (*)
Orthoclase  (*)Parnauite  (*)Pharmacosiderite  (*)Phenakite  (*)Philipsbornite  (*)
Pseudomalachite  (*)Pyrargyrite  (*)Pyrite  (*)Pyromorphite  (*)Quartz  (*)
Schorl  (*)Scorodite  (*)Shattuckite  (*)Siderite  (*)Silver  (*)
Spangolite  (*)Sphalerite  (*)Strashimirite  (*)Tennantite-(Fe)  (*)Tenorite  (*)
Tetrahedrite-(Zn)  (*)Titanite  (*)Torbernite  (*)Uraninite  (*)Varlamoffite  (*)
Wulfenite  (*)Wurtzite  (*)Zeunerite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)22117617,1176433419
Anatase  (*)Not in a structural groupTiO22117625,1176362162
Arsenogorceixite  (*)AluniteBaAl3(AsO4)(AsO3OH)(OH)6111764315
Arsenopyrite  (*)ArsenopyriteFeAsS6117618,117625,117635,117636,117640,1176439052
Asbolane  (*)Not in a structural groupMn4+(O,OH)2·(Co,Ni,Mg,Ca)x(OH)2x·nH2O1117643143
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)24117619,117623,117640,1176435509
Baryte  (*)BaryteBa(SO4)3117617,117625,11764311547
Bismuthinite  (*)StibniteBi2S311176411935
Bornite  (*)NoneCu5FeS44117624,117628,117640,1176435516
Brochantite  (*)BrochantiteCu4(SO4)(OH)611176241633
Brookite  (*)BrookiteTiO21117636700
Cassiterite  (*)RutileSnO214117619,117623,117624,117625,117628,117629,117636,117637,117639,117640,117641,117642,117643,1176445171
Cattiite  (*)NoneMg3(PO4)2·22H2O11176418
Ceruleite  (*)NoneCuAl4(AsO4)2(OH)8(H2O)43117641,117642,11764319
Chalcanthite  (*)ChalcanthiteCu(SO4)·5H2O2117617,117643925
Chalcocite  (*)NoneCu2S7117617,117619,117628,117629,117640,117642,1176435707
Chalcophyllite  (*)ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24·36H2O2117624,117643194
Chalcopyrite  (*)ChalcopyriteCuFeS211117617,117618,117620,117623,117624,117625,117628,117629,117636,117640,11764327198
Chenevixite  (*)ChenevixiteCuFe3+(AsO4)(OH)2111764390
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O3117619,117641,1176433531
Clinoclase  (*)NoneCu3(AsO4)(OH)32117643,117644127
Connellite  (*)ConnelliteCu36(SO4)(OH)62Cl8·6H2O1117643295
Copper  (*)CopperCu11117617,117619,117623,117624,117625,117626,117628,117636,117640,117641,1176433846
Corkite  (*)AlunitePbFe3+3(SO4)(PO4)(OH)61117643151
Cornubite  (*)NoneCu5(AsO4)2(OH)42117624,117643109
Cornwallite  (*)NoneCu5(AsO4)2(OH)42117640,117643175
Cuprite  (*)Not in a structural groupCu2O8117617,117619,117623,117624,117628,117640,117641,1176432970
Erythrite  (*)VivianiteCo3(AsO4)2·8H2O2117636,117643814
Fluorite  (*)FluoriteCaF28117617,117619,117624,117625,117635,117636,117640,1176439617
Galena  (*)RocksaltPbS4117629,117636,117640,11764324243
Goethite  (*)DiasporeFeO(OH)2117620,1176417437
Gypsum  (*)GypsumCa(SO4)·2H2O2117617,1176366890
Langite  (*)NoneCu4(SO4)(OH)6·2H2O1117641593
Libethenite  (*)AndalusiteCu2(PO4)(OH)2117619,117643234
Linarite  (*)LinariteCuPb(SO4)(OH)21117643987
Liroconite  (*)LiroconiteCu2Al(AsO4)(OH)4·4H2O2117643,11764418
Liskeardite  (*)None(Al,Fe)32(AsO4)18(OH)42(H2O)22·52H2O11176435
Malachite  (*)MalachiteCu2(CO3)(OH)25117619,117623,117624,117640,11764312537
Marcasite  (*)MarcasiteFeS22117629,1176435674
Melanterite  (*)MelanteriteFe(SO4)·7H2O1117624915
Millerite  (*)MilleriteNiS11176241066
Mimetite  (*)ApatitePb5(AsO4)3Cl2117624,1176431107
Mixite  (*)MixiteCu6Bi(AsO4)3(OH)6·3H2O1117643168
Molybdenite  (*)MolybdeniteMoS24117617,117629,117636,1176435800
Olivenite  (*)AndalusiteCu2(AsO4)(OH)5117619,117624,117640,117642,117643492
Orthoclase  (*)FeldsparK(AlSi3O8)11176172349
Parnauite  (*)NoneCu9(AsO4)2(SO4)(OH)10·7H2O1117643105
Pharmacosiderite  (*)PharmacosideriteKFe3+4(AsO4)3(OH)4·6-7H2O1117643428
Phenakite  (*)PhenakiteBe2(SiO4)1117635326
Philipsbornite  (*)AlunitePbAl3(AsO4)(AsO3OH)(OH)6111764351
Pseudomalachite  (*)NoneCu5(PO4)2(OH)44117619,117624,117635,117643369
Pyrargyrite  (*)NoneAg3SbS311176421425
Pyrite  (*)PyriteFeS28117617,117618,117620,117623,117624,117636,117640,11764339462
Pyromorphite  (*)ApatitePb5(PO4)3Cl11176431725
Quartz  (*)QuartzSiO216117617,117618,117619,117620,117623,117624,117625,117626,117628,117635,117636,117639,117640,117641,117642,11764361156
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)2117617,1176202705
Scorodite  (*)NoneFe3+(AsO4)·2H2O2117642,1176431153
Shattuckite  (*)NoneCu5(SiO3)4(OH)2111764171
Siderite  (*)CalciteFe(CO3)4117625,117626,117636,1176436417
Silver  (*)CopperAg2117641,1176425186
Spangolite  (*)SpangoliteCu6Al(SO4)(OH)12Cl·3H2O1117636105
Sphalerite  (*)SphaleriteZnS7117617,117618,117624,117625,117636,117640,11764321482
Strashimirite  (*)NoneCu4(AsO4)2(OH)2·2.5H2O111764390
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S134117623,117624,117640,1176431803
Tenorite  (*)NoneCuO4117617,117624,117640,1176431101
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1311176365317
Titanite  (*)TitaniteCaTi(SiO4)O11176364899
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O3117641,117642,1176431059
Uraninite  (*)FluoriteUO22117623,1176432718
Varlamoffite  (*)Rutile(Sn,Fe)(O,OH)2111764256
Wulfenite  (*)ScheelitePbMoO411176431655
Wurtzite  (*)WurtziteZnS1117643372
Zeunerite  (*)AutuniteCu(UO2)2(AsO4)2·12H2O2117641,117643185



No ages have been assigned to this locality yet.

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All locality data graciously provided by mindat.org

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