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:
Porthtowan, St Agnes, Cornwall, England, UK


mindat Locality ID: 15925
mindat URL: http://www.mindat.org/loc-15925.html

Tectonic Settings:

Total number of sublocalities beneath "Porthtowan, St Agnes, Cornwall, England, UK": 31
Total number of bottom-level sublocalities: 23

Number of Child Localities: 11
Child Localities:
Charlotte United Mine (New Wheal Charlotte; North Wheal Towan)
East Tywarnhayle Mine
Lushington Cove
Porthtowan Beach
South Wheal Towan
Tywarnhayle Mine (Wheal Rock)
Wheal Charlotte (Great Wheal Charlotte)
Wheal Clarence (Nancekuke Mine; Incl. New Dolcoath Mine)
Wheal Lushington (West Wheal Towan)
Wheal Music
Wheal Towan (Towan Consols)

Latitude: 50°17'6"N
Longitude: 5°14'4"W
Decimal Degree (lat, lon): 50.285,-5.2344444444444

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 C Ca Cl Co Cu Fe H O P Pb S Sb Si Sn Ti Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ApatiteArsenopyriteBaryteBournoniteBrochantiteCalciteChalcoalumiteChalcopyriteCobaltiteCopper
DevillineDiasporeLöllingiteMalachiteNoneNot in a structural groupPerovskitePyriteQuartzRocksalt
RutileSkutteruditeSphaleriteSulphurVivianite

27 IMA Minerals at location:
Anatase  (*)Anglesite  (*)Arsenopyrite  (*)Bournonite  (*)Brochantite  (*)
Cassiterite  (*)Chalcoalumite  (*)Chalcocite  (*)Chalcopyrite  (*)Cobaltite  (*)
Copper  (*)Cuprite  (*)Erythrite  (*)Galena  (*)Goethite  (*)
Löllingite  (*)Malachite  (*)Pyrite  (*)Pyromorphite  (*)Quartz  (*)
Scorodite  (*)Serpierite  (*)Siderite  (*)Skutterudite  (*)Sphalerite  (*)
Sulphur  (*)Tenorite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anatase  (*)Not in a structural groupTiO23118388,118390,1183982162
Anglesite  (*)BarytePb(SO4)11184002734
Arsenopyrite  (*)ArsenopyriteFeAsS11183929052
Bournonite  (*)BournoniteCuPbSbS311183911089
Brochantite  (*)BrochantiteCu4(SO4)(OH)611183901633
Cassiterite  (*)RutileSnO212118384,118385,118388,118390,118391,118396,118398,118399,118400,118401,118402,1184045171
Chalcoalumite  (*)ChalcoalumiteCuAl4(SO4)(OH)12·3H2O111839091
Chalcocite  (*)NoneCu2S2118386,1184035707
Chalcopyrite  (*)ChalcopyriteCuFeS212118383,118386,118388,118389,118390,118392,118395,118398,118400,118401,118403,11840427198
Cobaltite  (*)CobaltiteCoAsS1118392966
Copper  (*)CopperCu2118390,1184033846
Cuprite  (*)Not in a structural groupCu2O2118390,1184032970
Erythrite  (*)VivianiteCo3(AsO4)2·8H2O1118392814
Galena  (*)RocksaltPbS3118392,118398,11840024243
Goethite  (*)DiasporeFeO(OH)11183887437
Löllingite  (*)LöllingiteFeAs21118392762
Malachite  (*)MalachiteCu2(CO3)(OH)23118388,118390,11840312537
Pyrite  (*)PyriteFeS28118383,118386,118389,118392,118395,118396,118401,11840439462
Pyromorphite  (*)ApatitePb5(PO4)3Cl11183921725
Quartz  (*)QuartzSiO210118383,118386,118388,118389,118392,118395,118398,118400,118401,11840461156
Scorodite  (*)NoneFe3+(AsO4)·2H2O11184031153
Serpierite  (*)DevillineCa(Cu,Zn)4(SO4)2(OH)6·3H2O1118390292
Siderite  (*)CalciteFe(CO3)3118386,118388,1184046417
Skutterudite  (*)Skutterudite PerovskiteCoAs32118391,118392531
Sphalerite  (*)SphaleriteZnS6118388,118390,118396,118398,118400,11840421482
Sulphur  (*)SulphurS11183902045
Tenorite  (*)NoneCuO3118389,118390,1183951101



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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