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:
Clifford Amalgamated Mines, St Day, Gwennap, Cornwall, England, UK


mindat Locality ID: 194314
mindat URL: http://www.mindat.org/loc-194314.html

Tectonic Settings:

Total number of sublocalities beneath "Clifford Amalgamated Mines, St Day, Gwennap, Cornwall, England, UK": 16
Total number of bottom-level sublocalities: 14

Number of Child Localities: 2
Child Localities:
Great Consolidated Mines
United Mines (Gwennap United Mines)

Latitude: 50°13'52"N
Longitude: 5°9'35"W
Decimal Degree (lat, lon): 50.231111111111,-5.1597222222222

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 Ba C Ca Cl Cu F Fe H K Mg Mo Na Ni O P Pb S Si Sn Ti U Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAmphiboleAndalusiteApatiteArsenopyriteBaryteBrochantiteCalciteChalcanthiteChalcophyllite
ChalcopyriteCopperDiasporeFeldsparFluoriteGypsumMalachiteMarcasiteMelanteriteMillerite
MolybdeniteNoneNot in a structural groupPyriteQuartzRocksaltRutileSphaleriteTetrahedriteTourmaline

38 IMA Minerals at location:
Actinolite  (*)Anatase  (*)Arsenopyrite  (*)Azurite  (*)Baryte  (*)
Bornite  (*)Brochantite  (*)Cassiterite  (*)Chalcanthite  (*)Chalcocite  (*)
Chalcophyllite  (*)Chalcopyrite  (*)Chrysocolla  (*)Copper  (*)Cornubite  (*)
Cuprite  (*)Fluorite  (*)Galena  (*)Goethite  (*)Gypsum  (*)
Libethenite  (*)Malachite  (*)Marcasite  (*)Melanterite  (*)Millerite  (*)
Mimetite  (*)Molybdenite  (*)Olivenite  (*)Orthoclase  (*)Pseudomalachite  (*)
Pyrite  (*)Quartz  (*)Schorl  (*)Siderite  (*)Sphalerite  (*)
Tennantite-(Fe)  (*)Tenorite  (*)Uraninite  (*)
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)211176173419
Anatase  (*)Not in a structural groupTiO211176252162
Arsenopyrite  (*)ArsenopyriteFeAsS2117618,1176259052
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)22117619,1176235509
Baryte  (*)BaryteBa(SO4)2117617,11762511547
Bornite  (*)NoneCu5FeS42117624,1176285516
Brochantite  (*)BrochantiteCu4(SO4)(OH)611176241633
Cassiterite  (*)RutileSnO26117619,117623,117624,117625,117628,1176295171
Chalcanthite  (*)ChalcanthiteCu(SO4)·5H2O1117617925
Chalcocite  (*)NoneCu2S4117617,117619,117628,1176295707
Chalcophyllite  (*)ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24·36H2O1117624194
Chalcopyrite  (*)ChalcopyriteCuFeS28117617,117618,117620,117623,117624,117625,117628,11762927198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O11176193531
Copper  (*)CopperCu7117617,117619,117623,117624,117625,117626,1176283846
Cornubite  (*)NoneCu5(AsO4)2(OH)41117624109
Cuprite  (*)Not in a structural groupCu2O5117617,117619,117623,117624,1176282970
Fluorite  (*)FluoriteCaF24117617,117619,117624,1176259617
Galena  (*)RocksaltPbS111762924243
Goethite  (*)DiasporeFeO(OH)11176207437
Gypsum  (*)GypsumCa(SO4)·2H2O11176176890
Libethenite  (*)AndalusiteCu2(PO4)(OH)1117619234
Malachite  (*)MalachiteCu2(CO3)(OH)23117619,117623,11762412537
Marcasite  (*)MarcasiteFeS211176295674
Melanterite  (*)MelanteriteFe(SO4)·7H2O1117624915
Millerite  (*)MilleriteNiS11176241066
Mimetite  (*)ApatitePb5(AsO4)3Cl11176241107
Molybdenite  (*)MolybdeniteMoS22117617,1176295800
Olivenite  (*)AndalusiteCu2(AsO4)(OH)2117619,117624492
Orthoclase  (*)FeldsparK(AlSi3O8)11176172349
Pseudomalachite  (*)NoneCu5(PO4)2(OH)42117619,117624369
Pyrite  (*)PyriteFeS25117617,117618,117620,117623,11762439462
Quartz  (*)QuartzSiO29117617,117618,117619,117620,117623,117624,117625,117626,11762861156
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)2117617,1176202705
Siderite  (*)CalciteFe(CO3)2117625,1176266417
Sphalerite  (*)SphaleriteZnS4117617,117618,117624,11762521482
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S132117623,1176241803
Tenorite  (*)NoneCuO2117617,1176241101
Uraninite  (*)FluoriteUO211176232718



No ages have been assigned to this locality yet.

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