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South Crofty Mine, Pool, Carn Brea, Cornwall, England, UKi
Regional Level Types
South Crofty MineProject (Inactive)
PoolVillage
Carn BreaCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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Latitude & Longitude (WGS84):
50° 13' 21'' North , 5° 16' 31'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SW667413
Type:
Project (Inactive) - last checked 2023
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Camborne22,500 (2012)1.9km
Four Lanes1,416 (2017)3.4km
Redruth42,690 (2017)3.8km
North Country773 (2017)4.1km
Portreath963 (2017)4.3km
Mindat Locality ID:
1004
Long-form identifier:
mindat:1:2:1004:0
GUID (UUID V4):
0
Other/historical names associated with this locality:
South Crofty Tin Project; South Wheal Crofty


The past producing South Crofty mine began life as a small sett called Penhellick Vean in the 1590s, but absorbed smaller mines around it, becoming South Wheal Crofty in 1854.

Initially a shallow tin mine and then a copper mine, the mine workings went back into the deep tin zone from the 1860s onwards, when copper production began to decline.

In 1906 South Crofty Mine Ltd became the foundation of the modern mine. From the 1890s the mine acquired other setts as the surrounding mines closed. These included New Cook's Kitchen, Tincroft & Carn Brea, North Roskear, South Roskear, and Dolcoath Mine in 1930, to become a huge enterprise nearly 4.5 km in length.

Workings are 731 meters deep and feature 2 shafts: Robinson's man riding shaft at 682 meters & Cook's shaft at 731 meters.

Robinsons Shaft was abandoned in the early 1990's as it was becoming dangerous. All man riding and ore hoisting was then transferred to New Cooks Kitchen shaft. Roskear Shaft was then reconditioned and fitted with a new headframe and winder to serve for emergency egress purposes.

An extensive history of the mine is given in J.A. Buckley's "A History of South Crofty Mine".

Currently (2021), Cornish Metals Exploration have a long-term mining licence.


Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


37 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Anatase
Formula: TiO2
ⓘ 'Apatite'
Formula: Ca5(PO4)3A
ⓘ Arsenopyrite
Formula: FeAsS
ⓘ Bertrandite
Formula: Be4(Si2O7)(OH)2
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Bismuthinite
Formula: Bi2S3
ⓘ Bismutite
Formula: (BiO)2CO3
ⓘ Calcite
Formula: CaCO3
ⓘ Cassiterite
Formula: SnO2
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Chamosite
Formula: Fe2+5Al(AlSi3O10)(OH)8
ⓘ Chamosite var. Daphnite
Formula: (Fe,Mg)5Al(Si,Al)4O10(OH)8
ⓘ 'Chlorite Group'
ⓘ Coffinite
Formula: U(SiO4) · nH2O
ⓘ Cuprite
Formula: Cu2O
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Enargite
Formula: Cu3AsS4
ⓘ Fluorite
Formula: CaF2
ⓘ Galena
Formula: PbS
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Hematite
Formula: Fe2O3
ⓘ Hematite var. Specularite
Formula: Fe2O3
References:
De Bondt, Paul (n.d.) Personal communication.Identification: Visual Identification
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
ⓘ 'K Feldspar'
ⓘ 'K Feldspar var. Adularia'
Formula: KAlSi3O8
Description: A specimen of quartz with cassiterite show an association with pink adularia. Specimen is from the " complex lode ".
ⓘ 'Limonite'
ⓘ Marcasite
Formula: FeS2
ⓘ Marcasite var. Lonchidite
Formula: Fe(S,As)2
ⓘ Melanterite
Formula: Fe2+(H2O)6(SO4) · H2O
ⓘ Monazite-(Ce)
Formula: Ce(PO4)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Native Bismuth
Formula: Bi
ⓘ Orthoclase
Formula: K(AlSi3O8)
ⓘ 'Petroleum var. Bitumen'
ⓘ Phenakite
Formula: Be2SiO4
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Chalcedony
Formula: SiO2
Description: The chalcedony form small rounded aggregates on this specimen : https://www.mindat.org/photo-1387177.html
References:
De Bondt, Paul (n.d.) Personal communication.Identification: Visual Identification
ⓘ Quartz var. Milky Quartz
Formula: SiO2
ⓘ Scheelite
Formula: Ca(WO4)
ⓘ Scorodite
Formula: Fe3+AsO4 · 2H2O
ⓘ Siderite
Formula: FeCO3
ⓘ Sphalerite
Formula: ZnS
ⓘ Stannite
Formula: Cu2FeSnS4
ⓘ Talc
Formula: Mg3Si4O10(OH)2
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
ⓘ 'Tungstic Ochre'
ⓘ Uraninite
Formula: UO2
ⓘ 'Wolframite Group'

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Bismuth1.CA.05Bi
Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘStannite2.CB.15aCu2FeSnS4
ⓘGalena2.CD.10PbS
ⓘBismuthinite2.DB.05Bi2S3
ⓘPyrite2.EB.05aFeS2
ⓘMarcasite
var. Lonchidite
2.EB.10aFe(S,As)2
ⓘ2.EB.10aFeS2
ⓘArsenopyrite2.EB.20FeAsS
ⓘEnargite2.KA.05Cu3AsS4
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘCuprite4.AA.10Cu2O
ⓘHematite4.CB.05Fe2O3
ⓘvar. Specularite4.CB.05Fe2O3
ⓘQuartz
var. Chalcedony
4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘvar. Milky Quartz4.DA.05SiO2
ⓘCassiterite4.DB.05SnO2
ⓘ'Wolframite Group'4.DB.30 va
ⓘAnatase4.DD.05TiO2
ⓘUraninite4.DL.05UO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSiderite5.AB.05FeCO3
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘBismutite5.BE.25(BiO)2CO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘMelanterite7.CB.35Fe2+(H2O)6(SO4) · H2O
ⓘGypsum7.CD.40CaSO4 · 2H2O
ⓘScheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
ⓘMonazite-(Ce)8.AD.50Ce(PO4)
ⓘScorodite8.CD.10Fe3+AsO4 · 2H2O
Group 9 - Silicates
ⓘPhenakite9.AA.05Be2SiO4
ⓘCoffinite9.AD.30U(SiO4) · nH2O
ⓘBertrandite9.BD.05Be4(Si2O7)(OH)2
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘChamosite9.EC.55Fe2+5Al(AlSi3O10)(OH)8
ⓘvar. Daphnite9.EC.55(Fe,Mg)5Al(Si,Al)4O10(OH)8
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
ⓘOrthoclase9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'K Feldspar
var. Adularia'
-KAlSi3O8
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Limonite'-
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
ⓘ'Tungstic Ochre'-
ⓘ'Petroleum
var. Bitumen'
-
ⓘ'K Feldspar'-
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Apatite'-Ca5(PO4)3A

List of minerals for each chemical element

HHydrogen
Hⓘ BertranditeBe4(Si2O7)(OH)2
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Hⓘ CoffiniteU(SiO4) · nH2O
Hⓘ Chamosite var. Daphnite(Fe,Mg)5Al(Si,Al)4O10(OH)8
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ MelanteriteFe2+(H2O)6(SO4) · H2O
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ ScoroditeFe3+AsO4 · 2H2O
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
BeBeryllium
Beⓘ BertranditeBe4(Si2O7)(OH)2
Beⓘ BerylBe3Al2(Si6O18)
Beⓘ PhenakiteBe2SiO4
BBoron
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
CCarbon
Cⓘ Bismutite(BiO)2CO3
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ SideriteFeCO3
OOxygen
Oⓘ K Feldspar var. AdulariaKAlSi3O8
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AnataseTiO2
Oⓘ BertranditeBe4(Si2O7)(OH)2
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ Bismutite(BiO)2CO3
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ CalciteCaCO3
Oⓘ CassiteriteSnO2
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Oⓘ CoffiniteU(SiO4) · nH2O
Oⓘ CupriteCu2O
Oⓘ Chamosite var. Daphnite(Fe,Mg)5Al(Si,Al)4O10(OH)8
Oⓘ DolomiteCaMg(CO3)2
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ HematiteFe2O3
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ MelanteriteFe2+(H2O)6(SO4) · H2O
Oⓘ Monazite-(Ce)Ce(PO4)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ OrthoclaseK(AlSi3O8)
Oⓘ PhenakiteBe2SiO4
Oⓘ QuartzSiO2
Oⓘ ScheeliteCa(WO4)
Oⓘ ScoroditeFe3+AsO4 · 2H2O
Oⓘ SideriteFeCO3
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ UraniniteUO2
Oⓘ Hematite var. SpeculariteFe2O3
Oⓘ Quartz var. Milky QuartzSiO2
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ ApatiteCa5(PO4)3A
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluoriteCaF2
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ Chamosite var. Daphnite(Fe,Mg)5Al(Si,Al)4O10(OH)8
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ TalcMg3Si4O10(OH)2
AlAluminium
Alⓘ K Feldspar var. AdulariaKAlSi3O8
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Alⓘ Chamosite var. Daphnite(Fe,Mg)5Al(Si,Al)4O10(OH)8
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ OrthoclaseK(AlSi3O8)
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ K Feldspar var. AdulariaKAlSi3O8
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ BertranditeBe4(Si2O7)(OH)2
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Siⓘ CoffiniteU(SiO4) · nH2O
Siⓘ Chamosite var. Daphnite(Fe,Mg)5Al(Si,Al)4O10(OH)8
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ OrthoclaseK(AlSi3O8)
Siⓘ PhenakiteBe2SiO4
Siⓘ QuartzSiO2
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ Quartz var. Milky QuartzSiO2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siⓘ Garnet GroupX3Z2(SiO4)3
PPhosphorus
Pⓘ Monazite-(Ce)Ce(PO4)
Pⓘ ApatiteCa5(PO4)3A
SSulfur
Sⓘ ArsenopyriteFeAsS
Sⓘ BismuthiniteBi2S3
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcociteCu2S
Sⓘ EnargiteCu3AsS4
Sⓘ GalenaPbS
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ Marcasite var. LonchiditeFe(S,As)2
Sⓘ MarcasiteFeS2
Sⓘ MelanteriteFe2+(H2O)6(SO4) · H2O
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
Sⓘ StanniteCu2FeSnS4
KPotassium
Kⓘ K Feldspar var. AdulariaKAlSi3O8
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ OrthoclaseK(AlSi3O8)
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ DolomiteCaMg(CO3)2
Caⓘ FluoriteCaF2
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ ScheeliteCa(WO4)
Caⓘ ApatiteCa5(PO4)3A
TiTitanium
Tiⓘ AnataseTiO2
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Feⓘ ArsenopyriteFeAsS
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ ChalcopyriteCuFeS2
Feⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Feⓘ Chamosite var. Daphnite(Fe,Mg)5Al(Si,Al)4O10(OH)8
Feⓘ HematiteFe2O3
Feⓘ Marcasite var. LonchiditeFe(S,As)2
Feⓘ MarcasiteFeS2
Feⓘ MelanteriteFe2+(H2O)6(SO4) · H2O
Feⓘ PyriteFeS2
Feⓘ ScoroditeFe3+AsO4 · 2H2O
Feⓘ SideriteFeCO3
Feⓘ StanniteCu2FeSnS4
Feⓘ Hematite var. SpeculariteFe2O3
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcociteCu2S
Cuⓘ CupriteCu2O
Cuⓘ EnargiteCu3AsS4
Cuⓘ StanniteCu2FeSnS4
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ ArsenopyriteFeAsS
Asⓘ EnargiteCu3AsS4
Asⓘ Marcasite var. LonchiditeFe(S,As)2
Asⓘ ScoroditeFe3+AsO4 · 2H2O
SnTin
Snⓘ CassiteriteSnO2
Snⓘ StanniteCu2FeSnS4
CeCerium
Ceⓘ Monazite-(Ce)Ce(PO4)
WTungsten
Wⓘ ScheeliteCa(WO4)
PbLead
Pbⓘ GalenaPbS
BiBismuth
Biⓘ Native BismuthBi
Biⓘ BismuthiniteBi2S3
Biⓘ Bismutite(BiO)2CO3
UUranium
Uⓘ CoffiniteU(SiO4) · nH2O
Uⓘ UraniniteUO2

Geochronology

Geologic TimeRocks, Minerals and Events
Phanerozoic
 Paleozoic
  Permian
   Guadalupian
ⓘ Major polymetallic mineralization~270 MaCornwall, England, UK
   Cisuralian
ⓘ Porphyry dikes intruded (latest age)~275 MaCornwall, England, UK
ⓘ Greisenization (latest age)~280 MaCornwall, England, UK
ⓘ Porphyry dikes intruded (earliest age)~280 MaCornwall, England, UK
ⓘ Formation of metallized pegmatites~285 MaCornwall, England, UK
ⓘ Greisenization (earliest age)~285 MaCornwall, England, UK
ⓘ Emplacement of major plutons~295 MaCornwall, England, UK

Other Regions, Features and Areas containing this locality

British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
EuropeContinent
UK

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References

 
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