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:
Foxhole, St Stephen-in-Brannel, Cornwall, England, UK


mindat Locality ID: 276793
mindat URL: http://www.mindat.org/loc-276793.html

Tectonic Settings:

Total number of sublocalities beneath "Foxhole, St Stephen-in-Brannel, Cornwall, England, UK": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Stenna Gwyn Mine (Stennagwyn Mine)

Latitude: 50°21'41"N
Longitude: 4°51'55"W
Decimal Degree (lat, lon): 50.361388888889,-4.8652777777778
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 Ca Cu F Fe H K Mg O P S Si Sn U W 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmorphousAmphiboleApatiteArsenopyriteAutuniteChalcopyriteClayColumbiteFluoriteMica
NoneQuartzRutileSphaleriteStanniteTalcWavellite

16 IMA Minerals at location:
Arsenopyrite  (*)Autunite  (*)Cassiterite  (*)Chalcopyrite  (*)Ferberite  (*)
Fluellite  (*)Fluorapatite  (*)Fluorite  (*)Muscovite  (*)Opal  (*)
Quartz  (*)Stannite  (*)Talc  (*)Torbernite  (*)Tremolite  (*)
Wavellite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Arsenopyrite  (*)ArsenopyriteFeAsS11190129052
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O11190121272
Cassiterite  (*)RutileSnO211190125171
Chalcopyrite  (*)ChalcopyriteCuFeS2111901227198
Ferberite  (*)ColumbiteFe2+(WO4)1119012551
Fluellite  (*)NoneAl2(PO4)F2(OH)·7H2O111901240
Fluorapatite  (*)ApatiteCa5(PO4)3F11190122740
Fluorite  (*)FluoriteCaF211190129617
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2111901217380
Opal  (*)AmorphousSiO2·nH2O11190122994
Quartz  (*)QuartzSiO2111901261156
Stannite  (*)Stannite SphaleriteCu2FeSnS41119012668
Talc  (*)Clay TalcMg3Si4O10(OH)211190123337
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O11190121059
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)211190122562
Wavellite  (*)WavelliteAl3(PO4)2(OH)3·5H2O1119012374


No ages have been assigned to this locality yet.
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