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:
Breage, Cornwall, England, UK

Oldest recorded age at locality: 300
Youngest recorded age at locality: 270

mindat Locality ID: 1207
mindat URL: http://www.mindat.org/loc-1207.html

Tectonic Settings:

Total number of sublocalities beneath "Breage, Cornwall, England, UK": 33
Total number of bottom-level sublocalities: 24

Number of Child Localities: 14
Child Localities:
Carleen
Carn Grey
Carnmeal Downs
Godolphin Cross
Great Wheal Fortune
Kenneggy Downs
Megiliggar Rocks (Tremearne Pegmatite)
Praa Sands
Rinsey
South Wheal Fortune
Tregonning Hill
Trequean (Trequeen)
Trew
West Godolphin Mine (Wheal Junket)

Latitude: 50°6'42"N
Longitude: 5°21'13"W
Decimal Degree (lat, lon): 50.111666666667,-5.3536111111111
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 C Ca Cl Co Cu F Fe H K Li Mg Mn Na Nb O P Pb S Sb Si Sn Ta Ti U Zn Zr 

Elements from minerals reported directly at this locality: H O Si 

Structural Groups for minerals in this locality: 
AlluauditeAmorphousAmphiboleApatiteArsenopyriteCalciteChalcopyriteClayColumbiteCopper
CorundumDiasporeFeldsparFluoriteGypsumKaoliniteLöllingiteMalachiteMicaNone
Not in a structural groupOlivinePerovskitePharmacosideritePyriteQuartzRhabdophaneRocksaltRutileSkutterudite
Smectite-vermiculiteSphaleriteStibniteSulphurTalcTetrahedriteTopazTourmalineTripliteVivianite
Zircon

52 IMA Minerals at location:
Actinolite  (*)Albite  (*)Alluaudite  (*)Amblygonite  (*)Arsenopyrite  (*)
Bertrandite  (*)Bornite  (*)Cassiterite  (*)Chalcocite  (*)Chalcopyrite  (*)
Copper  (*)Cuprite  (*)Dolomite  (*)Erythrite  (*)Fluorapatite  (*)
Fluorite  (*)Galena  (*)Goethite  (*)Gypsum  (*)Hematite  (*)
Ixiolite  (*)Kaolinite  (*)Löllingite  (*)Malachite  (*)Mimetite  (*)
Muscovite  (*)Nontronite  (*)Opal  (*)Orthoclase  (*)Pharmacosiderite  (*)
Pyrite  (*)Quartz  (*)Rutile  (*)Schorl  (*)Scorodite  (*)
Siderite  (*)Skutterudite  (*)Sphalerite  (*)Stibnite  (*)Sulphur  (*)
Talc  (*)Tennantite-(Fe)  (*)Tenorite  (*)Topaz  (*)Torbernite  (*)
Triphylite  (*)Triplite  (*)Tristramite  (*)Uraninite  (*)Vivianite  (*)
Zircon  (*)Zwieselite  (*)
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)211172333419
Albite  (*)FeldsparNa(AlSi3O8)2962704117204,117208,117216,1172238803
Alluaudite  (*)Alluaudite   NaMnFe3+2(PO4)3111721694
Amblygonite  (*)NoneLiAl(PO4)F2117216,117222244
Arsenopyrite  (*)ArsenopyriteFeAsS4117204,117211,117212,1172149052
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)21117208606
Bornite  (*)NoneCu5FeS411172125516
Cassiterite  (*)RutileSnO230028212117202,117203,117204,117207,117208,117210,117211,117212,117214,117225,117226,1172325171
Chalcocite  (*)NoneCu2S3002824117210,117212,117225,1172335707
Chalcopyrite  (*)ChalcopyriteCuFeS23002828117204,117208,117210,117211,117212,117225,117226,11723327198
Copper  (*)CopperCu3002822117204,1172103846
Cuprite  (*)Not in a structural groupCu2O2117211,1172242970
Dolomite  (*)NoneCaMg(CO3)211172049895
Erythrite  (*)VivianiteCo3(AsO4)2·8H2O1117204814
Fluorapatite  (*)ApatiteCa5(PO4)3F2117216,1172212740
Fluorite  (*)FluoriteCaF23117211,117216,1172259617
Galena  (*)RocksaltPbS111723324243
Goethite  (*)DiasporeFeO(OH)3002823117210,117211,1172337437
Gypsum  (*)GypsumCa(SO4)·2H2O11172116890
Hematite  (*)CorundumFe2O3111720414640
Ixiolite  (*)Columbite(Ta2/3Mn2+1/3)O21117216148
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)42842762117225,1172285591
Löllingite  (*)LöllingiteFeAs21117216762
Malachite  (*)MalachiteCu2(CO3)(OH)2111723312537
Mimetite  (*)ApatitePb5(AsO4)3Cl11172241107
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)22117212,11721617380
Nontronite  (*)Clay Smectite-vermiculiteNa0.3Fe3+2(Si,Al)4O10(OH)2·nH2O2117205,117216471
Opal  (*)AmorphousSiO2·nH2O30027002994
Orthoclase  (*)FeldsparK(AlSi3O8)2962704117204,117212,117216,1172232349
Pharmacosiderite  (*)PharmacosideriteKFe3+4(AsO4)3(OH)4·6-7H2O1117212428
Pyrite  (*)PyriteFeS23002767117203,117204,117210,117211,117212,117227,11723339462
Quartz  (*)QuartzSiO23002828117204,117210,117211,117212,117216,117222,117225,11723361156
Rutile  (*)RutileTiO211172165614
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)2962702117216,1172232705
Scorodite  (*)NoneFe3+(AsO4)·2H2O11172121153
Siderite  (*)CalciteFe(CO3)2117211,1172256417
Skutterudite  (*)Skutterudite PerovskiteCoAs31117204531
Sphalerite  (*)SphaleriteZnS2117204,11723321482
Stibnite  (*)StibniteSb2S311172043418
Sulphur  (*)SulphurS11172112045
Talc  (*)Clay TalcMg3Si4O10(OH)211172043337
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S132117211,1172241803
Tenorite  (*)NoneCuO4117204,117211,117212,1172331101
Topaz  (*)TopazAl2SiO4F22117212,1172161476
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O11172121059
Triphylite  (*)OlivineLiFe2+(PO4)1117216313
Triplite  (*)TripliteMn2+2(PO4)F1117216233
Tristramite  (*)Rhabdophane(Ca,U4+,Fe3+)(PO4,SO4)·2H2O2117225,1172307
Uraninite  (*)FluoriteUO22117225,1172302718
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O1117216636
Zircon  (*)ZirconZr(SiO4)11172255251
Zwieselite  (*)TripliteFe2+2(PO4)F111721647


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_128300282291 ± 9K/ArPrevious K/Ar determinationmuscovite   Muscovite  36590Godolphin Mine (Godolphin Bal), Godolphin Cross, Breage, Cornwall, England, UKGodolphin GraniteBray and Spooner (1983)10.1144/GSL.SP.1964.001.01.15EG78_1064Arithmetic mean of 2 muscovite samples from Godolphin Granite
Lucy_222296282289 ± 7K-ArAge of Godolphin Granitemuscovite   Muscovite  866Trewavas Head, Rinsey, Breage, Cornwall, England, UKTrewavas HeadMiller et al (1964)10.1002/gj.3350040109GJ4_105New ages on the granites and derived rocks
Lucy_223290270280 ± 10K-ArAge of Godolphin Granitemuscovite   Muscovite  866Trewavas Head, Rinsey, Breage, Cornwall, England, UKTrewavas Head pegmatoidMiller et al (1964)10.1002/gj.3350040109GJ4_105New ages on the granites and derived rocks
Lucy_230284276280 ± 4 Dated age of Tregonning Granite      38265Tregonning Hill, Breage, Cornwall, England, UKTregonning GraniteWilkinson et al (1995)10.1002/gj.3350040109CG123_239 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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