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Basset Mines, Carnkie, Carn Brea, Cornwall, England, UKi
Regional Level Types
Basset MinesGroup of Mines
CarnkieVillage
Carn BreaCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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PhotosMapsSearch
09385690017499031907810.jpg
Section on Basset Mines and South Carn Brea.

Basset Mines, Carnkie, Carn Brea, Cornwall, England, UK
08556890017272068865771.jpg
View of the Carn Brea mining area, ca. 1905.

Basset Mines, Carnkie, Carn Brea, Cornwall, England, UK
04076220017462134741522.jpg
Section on Basset Mines and South Carn Brea.

Basset Mines, Carnkie, Carn Brea, Cornwall, England, UK
08556890017272068865771.jpg
View of the Carn Brea mining area, ca. 1905.

Basset Mines, Carnkie, Carn Brea, Cornwall, England, UK
Latitude & Longitude (WGS84):
50° 12' 43'' North , 5° 15' 0'' West
Latitude & Longitude (decimal):
Type:
Group of Mines
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Four Lanes1,416 (2017)1.4km
Redruth42,690 (2017)3.0km
Camborne22,500 (2012)3.4km
North Country773 (2017)4.3km
St. Day700 (2011)5.5km
Mindat Locality ID:
38624
Long-form identifier:
mindat:1:2:38624:0
GUID (UUID V4):
0


In 1896, South Frances United Mines (including South Wheal Frances and West Wheal Basset), Wheal Basset (including North Wheal Basset) and West Wheal Frances were united under the name Basset Mines Ltd.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

46 valid minerals. 3 (TL) - type locality of valid minerals.

Detailed Mineral List:

Acanthite
Formula: Ag2S
Description: A one-time find of a small amount of acanthite and native silver has been documented in 1813.
Aragonite
Formula: CaCO3
References:
George Curtis collectionIdentified by Paul De Bondt: Visual Identification
Arsenopyrite
Formula: FeAsS
Localities: Reported from at least 6 localities in this region.
Autunite
Formula: Ca(UO2)2(PO4)2 · 10-12H2O
Azurite
Formula: Cu3(CO3)2(OH)2
Baryte
Formula: BaSO4
Bassetite (TL)
Formula: Fe2+(UO2)2(PO4)2 · 10H2O
Type Locality:
Bismutite
Formula: (BiO)2CO3
Bornite
Formula: Cu5FeS4
Brochantite
Formula: Cu4(SO4)(OH)6
Cacoxenite
Formula: Fe3+24AlO6(PO4)17(OH)12 · 75H2O
Cassiterite
Formula: SnO2
Chalcanthite
Formula: CuSO4 · 5H2O
Chalcocite
Formula: Cu2S
Chalcophyllite
Formula: Cu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Chalcopyrite
Formula: CuFeS2
'Chlorite Group'
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Connellite
Formula: Cu19(SO4)(OH)32Cl4 · 3H2O
Cuprite
Formula: Cu2O
Cuprite var. Chalcotrichite
Formula: Cu2O
Cyanotrichite
Formula: Cu4Al2(SO4)(OH)12 · 2H2O
Fluorite
Formula: CaF2
Galena
Formula: PbS
Galena var. Silver-bearing Galena
Formula: PbS with Ag
Goethite
Formula: Fe3+O(OH)
References:
George Curtis collectionIdentified by Paul De Bondt: Visual Identification
Hematite
Formula: Fe2O3
Johannite
Formula: Cu(UO2)2(SO4)2(OH)2 · 8H2O
Kaolinite
Formula: Al2(Si2O5)(OH)4
Langite
Formula: Cu4(SO4)(OH)6 · 2H2O
Libethenite
Formula: Cu2(PO4)(OH)
Liebigite
Formula: Ca2(UO2)(CO3)3 · 11H2O
Malachite
Formula: Cu2(CO3)(OH)2
Metatorbernite
Formula: Cu(UO2)2(PO4)2 · 8H2O
Native Copper
Formula: Cu
Native Silver
Formula: Ag
Description: A one-time find of a small amount of acanthite and native silver has been documented in 1813.
Pseudomalachite
Formula: Cu5(PO4)2(OH)4
Pyrite
Formula: FeS2
Localities: Reported from at least 6 localities in this region.
Quartz
Formula: SiO2
Quartz var. Amethyst
Formula: SiO2
Saléeite
Formula: Mg(UO2)2(PO4)2 · 10H2O
Siderite
Formula: FeCO3
Sphalerite
Formula: ZnS
'Tennantite Subgroup'
Formula: Cu6(Cu4C2+2)As4S12S
Tenorite
Formula: CuO
Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
Uraninite
Formula: UO2
Uraninite var. Pitchblende
Formula: UO2
Uranospathite (TL)
Formula: (Al,◻)(UO2)2(PO4)2F · 20(H2O,F)
Type Locality:
Uranospinite
Formula: Ca(UO2)2(AsO4)2 · 10H2O
Description: According to Golley & Williams (1995), XRD analyses of visually identified uranospinite specimens from Wheal Basset by N.J. Elton have shown them to be metatorbernite. Nonetheless, one specimen with mint-green crystals from the J.P. Gliddon collection (collected and sold to him labelled as uranospinite by R.W. Barstow) has been confirmed as uranospinite by XRD (P. Haas collection).
Vochtenite (TL)
Formula: (Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2O
Type Locality:
'Wolframite Group'
Zeunerite
Formula: Cu(UO2)2(AsO4)2 · 12H2O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Copper1.AA.05Cu
Native Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Bornite2.BA.15Cu5FeS4
Acanthite2.BA.35Ag2S
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
var. Silver-bearing Galena2.CD.10PbS with Ag
Pyrite2.EB.05aFeS2
Arsenopyrite2.EB.20FeAsS
'Tennantite Subgroup'2.GB.05Cu6(Cu4C2+2)As4S12S
Group 3 - Halides
Fluorite3.AB.25CaF2
Connellite3.DA.25Cu19(SO4)(OH)32Cl4 · 3H2O
Group 4 - Oxides and Hydroxides
Goethite4.00.Fe3+O(OH)
Cuprite
var. Chalcotrichite
4.AA.10Cu2O
4.AA.10Cu2O
Tenorite4.AB.10CuO
Hematite4.CB.05Fe2O3
Quartz
var. Amethyst
4.DA.05SiO2
4.DA.05SiO2
Cassiterite4.DB.05SnO2
'Wolframite Group'4.DB.30 va
Uraninite
var. Pitchblende
4.DL.05UO2
4.DL.05UO2
Group 5 - Nitrates and Carbonates
Siderite5.AB.05FeCO3
Aragonite5.AB.15CaCO3
Azurite5.BA.05Cu3(CO3)2(OH)2
Malachite5.BA.10Cu2(CO3)(OH)2
Bismutite5.BE.25(BiO)2CO3
Liebigite5.ED.20Ca2(UO2)(CO3)3 · 11H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Brochantite7.BB.25Cu4(SO4)(OH)6
Chalcanthite7.CB.20CuSO4 · 5H2O
Langite7.DD.10Cu4(SO4)(OH)6 · 2H2O
Cyanotrichite7.DE.10Cu4Al2(SO4)(OH)12 · 2H2O
Johannite7.EB.05Cu(UO2)2(SO4)2(OH)2 · 8H2O
Group 8 - Phosphates, Arsenates and Vanadates
Libethenite8.BB.30Cu2(PO4)(OH)
Pseudomalachite8.BD.05Cu5(PO4)2(OH)4
Cacoxenite8.DC.40Fe3+24AlO6(PO4)17(OH)12 · 75H2O
Chalcophyllite8.DF.30Cu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Autunite8.EB.05Ca(UO2)2(PO4)2 · 10-12H2O
Saléeite8.EB.05Mg(UO2)2(PO4)2 · 10H2O
Torbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Uranospinite8.EB.05Ca(UO2)2(AsO4)2 · 10H2O
Zeunerite8.EB.05Cu(UO2)2(AsO4)2 · 12H2O
Bassetite (TL)8.EB.10Fe2+(UO2)2(PO4)2 · 10H2O
Metatorbernite8.EB.10Cu(UO2)2(PO4)2 · 8H2O
Uranospathite (TL)8.EB.25(Al,◻)(UO2)2(PO4)2F · 20(H2O,F)
Vochtenite (TL)8.EB.30(Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2O
Group 9 - Silicates
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Unclassified
'Chlorite Group'-
'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H AutuniteCa(UO2)2(PO4)2 · 10-12H2O
H AzuriteCu3(CO3)2(OH)2
H BassetiteFe2+(UO2)2(PO4)2 · 10H2O
H BrochantiteCu4(SO4)(OH)6
H CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
H ChalcanthiteCuSO4 · 5H2O
H ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
H ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
H CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2O
H GoethiteFe3+O(OH)
H JohanniteCu(UO2)2(SO4)2(OH)2 · 8H2O
H KaoliniteAl2(Si2O5)(OH)4
H LangiteCu4(SO4)(OH)6 · 2H2O
H LibetheniteCu2(PO4)(OH)
H LiebigiteCa2(UO2)(CO3)3 · 11H2O
H MalachiteCu2(CO3)(OH)2
H MetatorberniteCu(UO2)2(PO4)2 · 8H2O
H PseudomalachiteCu5(PO4)2(OH)4
H SaléeiteMg(UO2)2(PO4)2 · 10H2O
H TorberniteCu(UO2)2(PO4)2 · 12H2O
H Uranospathite(Al,◻)(UO2)2(PO4)2F · 20(H2O,F)
H UranospiniteCa(UO2)2(AsO4)2 · 10H2O
H Vochtenite(Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2O
H ZeuneriteCu(UO2)2(AsO4)2 · 12H2O
BBoron
B TourmalineAD3G6(T6O18)(BO3)3X3Z
CCarbon
C AragoniteCaCO3
C AzuriteCu3(CO3)2(OH)2
C Bismutite(BiO)2CO3
C LiebigiteCa2(UO2)(CO3)3 · 11H2O
C MalachiteCu2(CO3)(OH)2
C SideriteFeCO3
OOxygen
O Quartz var. AmethystSiO2
O AragoniteCaCO3
O AutuniteCa(UO2)2(PO4)2 · 10-12H2O
O AzuriteCu3(CO3)2(OH)2
O BaryteBaSO4
O BassetiteFe2+(UO2)2(PO4)2 · 10H2O
O Bismutite(BiO)2CO3
O BrochantiteCu4(SO4)(OH)6
O CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
O CassiteriteSnO2
O ChalcanthiteCuSO4 · 5H2O
O Cuprite var. ChalcotrichiteCu2O
O ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
O ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
O CupriteCu2O
O CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2O
O GoethiteFe3+O(OH)
O HematiteFe2O3
O JohanniteCu(UO2)2(SO4)2(OH)2 · 8H2O
O KaoliniteAl2(Si2O5)(OH)4
O LangiteCu4(SO4)(OH)6 · 2H2O
O LibetheniteCu2(PO4)(OH)
O LiebigiteCa2(UO2)(CO3)3 · 11H2O
O MalachiteCu2(CO3)(OH)2
O MetatorberniteCu(UO2)2(PO4)2 · 8H2O
O Uraninite var. PitchblendeUO2
O PseudomalachiteCu5(PO4)2(OH)4
O QuartzSiO2
O SaléeiteMg(UO2)2(PO4)2 · 10H2O
O SideriteFeCO3
O TenoriteCuO
O TorberniteCu(UO2)2(PO4)2 · 12H2O
O TourmalineAD3G6(T6O18)(BO3)3X3Z
O UraniniteUO2
O Uranospathite(Al,◻)(UO2)2(PO4)2F · 20(H2O,F)
O UranospiniteCa(UO2)2(AsO4)2 · 10H2O
O Vochtenite(Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2O
O ZeuneriteCu(UO2)2(AsO4)2 · 12H2O
FFluorine
F FluoriteCaF2
F Uranospathite(Al,◻)(UO2)2(PO4)2F · 20(H2O,F)
MgMagnesium
Mg SaléeiteMg(UO2)2(PO4)2 · 10H2O
Mg Vochtenite(Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2O
AlAluminium
Al CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
Al ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Al CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2O
Al KaoliniteAl2(Si2O5)(OH)4
Al Uranospathite(Al,◻)(UO2)2(PO4)2F · 20(H2O,F)
SiSilicon
Si Quartz var. AmethystSiO2
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Si KaoliniteAl2(Si2O5)(OH)4
Si QuartzSiO2
PPhosphorus
P AutuniteCa(UO2)2(PO4)2 · 10-12H2O
P BassetiteFe2+(UO2)2(PO4)2 · 10H2O
P CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
P LibetheniteCu2(PO4)(OH)
P MetatorberniteCu(UO2)2(PO4)2 · 8H2O
P PseudomalachiteCu5(PO4)2(OH)4
P SaléeiteMg(UO2)2(PO4)2 · 10H2O
P TorberniteCu(UO2)2(PO4)2 · 12H2O
P Uranospathite(Al,◻)(UO2)2(PO4)2F · 20(H2O,F)
P Vochtenite(Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2O
SSulfur
S AcanthiteAg2S
S ArsenopyriteFeAsS
S BaryteBaSO4
S BorniteCu5FeS4
S BrochantiteCu4(SO4)(OH)6
S ChalcopyriteCuFeS2
S ChalcanthiteCuSO4 · 5H2O
S ChalcociteCu2S
S ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
S ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
S CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2O
S GalenaPbS
S JohanniteCu(UO2)2(SO4)2(OH)2 · 8H2O
S LangiteCu4(SO4)(OH)6 · 2H2O
S PyriteFeS2
S SphaleriteZnS
S Tennantite SubgroupCu6(Cu4C22+)As4S12S
S Galena var. Silver-bearing GalenaPbS with Ag
ClChlorine
Cl ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
CaCalcium
Ca AragoniteCaCO3
Ca AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Ca FluoriteCaF2
Ca LiebigiteCa2(UO2)(CO3)3 · 11H2O
Ca UranospiniteCa(UO2)2(AsO4)2 · 10H2O
FeIron
Fe ArsenopyriteFeAsS
Fe BassetiteFe2+(UO2)2(PO4)2 · 10H2O
Fe BorniteCu5FeS4
Fe CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
Fe ChalcopyriteCuFeS2
Fe GoethiteFe3+O(OH)
Fe HematiteFe2O3
Fe PyriteFeS2
Fe SideriteFeCO3
Fe Vochtenite(Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2O
CuCopper
Cu AzuriteCu3(CO3)2(OH)2
Cu BorniteCu5FeS4
Cu BrochantiteCu4(SO4)(OH)6
Cu ChalcopyriteCuFeS2
Cu ChalcanthiteCuSO4 · 5H2O
Cu ChalcociteCu2S
Cu Cuprite var. ChalcotrichiteCu2O
Cu ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cu ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
Cu CupriteCu2O
Cu CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2O
Cu Native CopperCu
Cu JohanniteCu(UO2)2(SO4)2(OH)2 · 8H2O
Cu LangiteCu4(SO4)(OH)6 · 2H2O
Cu LibetheniteCu2(PO4)(OH)
Cu MalachiteCu2(CO3)(OH)2
Cu MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Cu PseudomalachiteCu5(PO4)2(OH)4
Cu Tennantite SubgroupCu6(Cu4C22+)As4S12S
Cu TenoriteCuO
Cu TorberniteCu(UO2)2(PO4)2 · 12H2O
Cu ZeuneriteCu(UO2)2(AsO4)2 · 12H2O
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
As ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
As Tennantite SubgroupCu6(Cu4C22+)As4S12S
As UranospiniteCa(UO2)2(AsO4)2 · 10H2O
As ZeuneriteCu(UO2)2(AsO4)2 · 12H2O
AgSilver
Ag AcanthiteAg2S
Ag Native SilverAg
Ag Galena var. Silver-bearing GalenaPbS with Ag
SnTin
Sn CassiteriteSnO2
BaBarium
Ba BaryteBaSO4
PbLead
Pb GalenaPbS
Pb Galena var. Silver-bearing GalenaPbS with Ag
BiBismuth
Bi Bismutite(BiO)2CO3
UUranium
U AutuniteCa(UO2)2(PO4)2 · 10-12H2O
U BassetiteFe2+(UO2)2(PO4)2 · 10H2O
U JohanniteCu(UO2)2(SO4)2(OH)2 · 8H2O
U LiebigiteCa2(UO2)(CO3)3 · 11H2O
U MetatorberniteCu(UO2)2(PO4)2 · 8H2O
U Uraninite var. PitchblendeUO2
U SaléeiteMg(UO2)2(PO4)2 · 10H2O
U TorberniteCu(UO2)2(PO4)2 · 12H2O
U UraniniteUO2
U Uranospathite(Al,◻)(UO2)2(PO4)2F · 20(H2O,F)
U UranospiniteCa(UO2)2(AsO4)2 · 10H2O
U Vochtenite(Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2O
U ZeuneriteCu(UO2)2(AsO4)2 · 12H2O

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 Databases

Wikipedia:https://en.wikipedia.org/wiki/Basset_Mines
Wikidata ID:Q26678457

Localities in this Region

Other Regions, Features and Areas containing this locality

British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
EuropeContinent
UK

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