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:
United Mines (Gwennap United Mines), Clifford Amalgamated Mines, St Day, Gwennap, Cornwall, England, UK


mindat Locality ID: 936
mindat URL: http://www.mindat.org/loc-936.html

Tectonic Settings:

Total number of sublocalities beneath "United Mines (Gwennap United Mines), Clifford Amalgamated Mines, St Day, Gwennap, Cornwall, England, UK": 8
Total number of bottom-level sublocalities: 8

Number of Child Localities: 8
Child Localities:
Ale And Cakes Mine
East Ale And Cakes Mine
Garland's Shaft
Poldory Mine
Wheal Clifford
Wheal Cupboard
Wheal Oak
Wheal Squire

Latitude: 50°13'41"N
Longitude: 5°9'36"W
Decimal Degree (lat, lon): 50.228055555556,-5.16
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 Ba C Ca Cl Cu F Fe H Mo Ni O P Pb S Si Sn Ti Zn 

Elements from minerals reported directly at this locality: Al As C Cl Cu Fe H Ni O P Pb S 

Structural Groups for minerals in this locality: 
AndalusiteApatiteArsenopyriteBaryteBrochantiteCalciteChalcophylliteChalcopyriteCopperFluorite
MalachiteMarcasiteMelanteriteMilleriteMolybdeniteNoneNot in a structural groupPyriteQuartzRocksalt
RutileSphaleriteTetrahedrite

28 IMA Minerals at location:
Anatase  (*)Arsenopyrite  (*)Baryte  (*)Bornite  (*)Brochantite  (*)
Cassiterite  (*)Chalcocite  (*)Chalcophyllite  (*)Chalcopyrite  (*)Copper  (*)
Cornubite  (*)Cuprite  (*)Fluorite  (*)Galena  (*)Malachite  (*)
Marcasite  (*)Melanterite  (*)Millerite  (*)Mimetite  (*)Molybdenite  (*)
Olivenite  (*)Pseudomalachite  (*)Pyrite  (*)Quartz  (*)Siderite  (*)
Sphalerite  (*)Tennantite-(Fe)  (*)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 groupTiO211176252162
Arsenopyrite  (*)ArsenopyriteFeAsS11176259052
Baryte  (*)BaryteBa(SO4)111762511547
Bornite  (*)NoneCu5FeS411176285516
Brochantite  (*)BrochantiteCu4(SO4)(OH)601633
Cassiterite  (*)RutileSnO23117625,117628,1176295171
Chalcocite  (*)NoneCu2S2117628,1176295707
Chalcophyllite  (*)ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24·36H2O0194
Chalcopyrite  (*)ChalcopyriteCuFeS23117625,117628,11762927198
Copper  (*)CopperCu3117625,117626,1176283846
Cornubite  (*)NoneCu5(AsO4)2(OH)40109
Cuprite  (*)Not in a structural groupCu2O11176282970
Fluorite  (*)FluoriteCaF211176259617
Galena  (*)RocksaltPbS111762924243
Malachite  (*)MalachiteCu2(CO3)(OH)2012537
Marcasite  (*)MarcasiteFeS211176295674
Melanterite  (*)MelanteriteFe(SO4)·7H2O0915
Millerite  (*)MilleriteNiS01066
Mimetite  (*)ApatitePb5(AsO4)3Cl01107
Molybdenite  (*)MolybdeniteMoS211176295800
Olivenite  (*)AndalusiteCu2(AsO4)(OH)0492
Pseudomalachite  (*)NoneCu5(PO4)2(OH)40369
Pyrite  (*)PyriteFeS2039462
Quartz  (*)QuartzSiO23117625,117626,11762861156
Siderite  (*)CalciteFe(CO3)2117625,1176266417
Sphalerite  (*)SphaleriteZnS111762521482
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S1301803
Tenorite  (*)NoneCuO01101


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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