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Wheal Phoenix, Phoenix United Mine, Minions, Linkinhorne, Cornwall, England, UKi
Regional Level Types
Wheal PhoenixMine (Abandoned)
Phoenix United MineMine (Abandoned)
MinionsVillage
LinkinhorneCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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Latitude & Longitude (WGS84):
50° 31' 18'' North , 4° 26' 48'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SX266719
Type:
Mine (Abandoned) - last checked 2020
KΓΆppen climate type:
Nearest Settlements:
PlacePopulationDistance
Pensilva1,663 (2017)3.1km
Liskeard9,237 (2017)7.6km
Dobwalls1,418 (2017)8.7km
Menheniot782 (2017)9.4km
Callington5,786 (2017)9.7km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
British Micromount Society, Devon and Cornwall Branch MeetingsLiskeard, Cornwall7km
Mindat Locality ID:
233653
Long-form identifier:
mindat:1:2:233653:7
GUID (UUID V4):
6dba60ad-c7d9-40e6-bf4f-a4db206e8f9b
Other/historical names associated with this locality:
Cornwall Great United Mines


Up on Stowe’s Hill north of Minions village are the scant remains of Stowe’s Mine. Little remains of this small workings except some huge craters and concrete machinery bases. The first records of mining in this area were at β€˜Stowe’s Ende’ where the miners followed a lode that ran up the hill. The area must have been mined prior to the 19th century, as in 1824 it was combined with Wheal Jenkin and an engine was installed; this operation only operated on a loss and came to halt after just a year. In 1836 Stowe’s Mine was amalgamated into Cornwall Great United Mines under the name Wheal Julia, alongside Greenhills, Wheal Prosper and Wheal Jenkin with the intention to work them all as one tin mine. Like its predecessor, this mine operation quickly accumulated debts and was forced to close.

When Cornwall Great United Mines was bought by James Seccombe in 1842 he subsequently renamed it Wheal Phoenix (Phoenix Mine) in 1844. From 1842, Stowe’s was worked as part of Wheal Phoenix, but this section once again failed to make profits and two years later it was abandoned while the rest of the sett carried on.

Wheal Phoenix was subsequently called Phoenix United Mine when West Phoenix Mine was incorporated in 1875. Phoenix United Mine originally extracted copper, the 1850s being the mine's peak production of the metal, but by the 1860s copper reserves were diminishing. However, consultant mining engineer William West bought a controlling share in the company and equipped the mine to extract tin in 1864 after samples showed evidence of tin deposits. The Liskeard and Caradon Railway was used to transport the ore away and supply the mine with coal.

Little happened with Stowe’s Mine until 1870 when it was taken up again by Phoenix United and for once it proved to be successful, however the cost of pumping the whole sett soon became expensive. A fire in the miners dry in 1888 sealed its fate as another costly venture, and by the 1890s, Stowe’s was forced to close. With the price of tin and copper slumping, the West Phoenix Mine also eventually ceased operation in 1898 and the final shaft, the Prince of Wales shaft, was closed in 1914.

The final reworking had occurred between 1907 and 1914 where the entire sett was retried again by Phoenix United. This included the installation of a new compressor engine at Stowe’s shaft. With the sinking of the Prince of Wales shaft, the majority of the pumping was going to be done from there. However, as sampling of the mine continued they discovered that the previous miners had been much more thorough stripping the mine of ore than thought and consequently Stowe’s section was closed for the final time.

Shafts at Stowe’s Mine consisted of Stowe’s (80 fathoms/146m), Old Stowe’s, Jope/Moon’s/New Engine, Anna’s (112 fathoms/205m), Redburrow, Hard, Harriet’s, Mary’s and Tom’s.

During its life Stowe’s did not use a lot of equipment, however it was the host to the only Newcomen engine in East Cornwall, erected in 1730. It also had a 22β€³ or 25β€³ rotative engine, an engine house in 1824 and a stamps engine in 1836. The last reworking saw the building of concrete mountings for a whim and the installation of a horizontal 120 HP compressor engine.

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


20 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

β“˜ 'Andrewsite'
β“˜ Azurite
Formula: Cu3(CO3)2(OH)2
β“˜ Cacoxenite
Formula: Fe3+24AlO6(PO4)17(OH)12 · 75H2O
β“˜ Cassiterite
Formula: SnO2
β“˜ Chalcocite
Formula: Cu2S
β“˜ Chalcopyrite
Formula: CuFeS2
βœͺ Chalcosiderite
Formula: CuFe3+6(PO4)4(OH)8 · 4H2O
β“˜ 'Chlorite Group'
β“˜ Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
β“˜ Connellite
Formula: Cu19(SO4)(OH)32Cl4 · 3H2O
Description: Forms areas to several cms as thin crusts of radial acicular crystal groups with Cuprite on thin fracture planes in an altered granite
References:
β“˜ Copper
Formula: Cu
β“˜ Cuprite
Formula: Cu2O
β“˜ Cuprite var. Chalcotrichite
Formula: Cu2O
β“˜ DufrΓ©nite
Formula: Ca0.5Fe2+Fe3+5(PO4)4(OH)6 · 2H2O
β“˜ 'Jasper'
β“˜ Kaolinite
Formula: Al2(Si2O5)(OH)4
β“˜ Libethenite
Formula: Cu2(PO4)(OH)
β“˜ 'Limonite'
β“˜ Malachite
Formula: Cu2(CO3)(OH)2
β“˜ Olivenite
Formula: Cu2(AsO4)(OH)
β“˜ Pseudomalachite
Formula: Cu5(PO4)2(OH)4
β“˜ Quartz
Formula: SiO2
β“˜ Rockbridgeite
Formula: Fe2+Fe3+4(PO4)3(OH)5
Description: Kingsbury reference.
β“˜ Siderite
Formula: FeCO3
Description: Found at the Stowe's shaft.
β“˜ Tenorite
Formula: CuO
β“˜ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
β“˜ Turquoise
Formula: CuAl6(PO4)4(OH)8 · 4H2O
β“˜ Turquoise var. Rashleighite
Formula: Cu(Al,Fe)6(PO4)4(OH)8 · 5H2O

Gallery:

CuFe3+6(PO4)4(OH)8 · 4H2Oβ“˜ Chalcosiderite
Ca0.5Fe2+Fe3+5(PO4)4(OH)6 · 2H2Oβ“˜ DufrΓ©nite
Cu2(PO4)(OH)β“˜ Libethenite

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
β“˜Chalcocite2.BA.05Cu2S
β“˜Chalcopyrite2.CB.10aCuFeS2
Group 3 - Halides
β“˜Connellite3.DA.25Cu19(SO4)(OH)32Cl4 Β· 3H2O
Group 4 - Oxides and Hydroxides
β“˜Cuprite
var. Chalcotrichite
4.AA.10Cu2O
β“˜4.AA.10Cu2O
β“˜Tenorite4.AB.10CuO
β“˜Quartz4.DA.05SiO2
β“˜Cassiterite4.DB.05SnO2
Group 5 - Nitrates and Carbonates
β“˜Siderite5.AB.05FeCO3
β“˜Azurite5.BA.05Cu3(CO3)2(OH)2
β“˜Malachite5.BA.10Cu2(CO3)(OH)2
Group 8 - Phosphates, Arsenates and Vanadates
β“˜Olivenite8.BB.30Cu2(AsO4)(OH)
β“˜Libethenite8.BB.30Cu2(PO4)(OH)
β“˜Rockbridgeite ?8.BC.10Fe2+Fe3+4(PO4)3(OH)5
β“˜Pseudomalachite8.BD.05Cu5(PO4)2(OH)4
β“˜Cacoxenite8.DC.40Fe3+24AlO6(PO4)17(OH)12 Β· 75H2O
β“˜Chalcosiderite8.DD.15CuFe3+6(PO4)4(OH)8 Β· 4H2O
β“˜Turquoise
var. Rashleighite
8.DD.15Cu(Al,Fe)6(PO4)4(OH)8 Β· 5H2O
β“˜8.DD.15CuAl6(PO4)4(OH)8 Β· 4H2O
β“˜DufrΓ©nite8.DK.15Ca0.5Fe2+Fe3+5(PO4)4(OH)6 Β· 2H2O
Group 9 - Silicates
β“˜Kaolinite9.ED.05Al2(Si2O5)(OH)4
β“˜Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 Β· nH2O, x < 1
Unclassified
β“˜'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
β“˜'Andrewsite'-
β“˜'Limonite'-
β“˜'Chlorite Group'-
β“˜'Jasper'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ AzuriteCu3(CO3)2(OH)2
Hβ“˜ CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
Hβ“˜ ChalcosideriteCuFe63+(PO4)4(OH)8 · 4H2O
Hβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Hβ“˜ ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
Hβ“˜ DufrΓ©niteCa0.5Fe2+Fe53+(PO4)4(OH)6 · 2H2O
Hβ“˜ KaoliniteAl2(Si2O5)(OH)4
Hβ“˜ LibetheniteCu2(PO4)(OH)
Hβ“˜ MalachiteCu2(CO3)(OH)2
Hβ“˜ OliveniteCu2(AsO4)(OH)
Hβ“˜ PseudomalachiteCu5(PO4)2(OH)4
Hβ“˜ Turquoise var. RashleighiteCu(Al,Fe)6(PO4)4(OH)8 · 5H2O
Hβ“˜ RockbridgeiteFe2+Fe43+(PO4)3(OH)5
Hβ“˜ TurquoiseCuAl6(PO4)4(OH)8 · 4H2O
BBoron
Bβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cβ“˜ AzuriteCu3(CO3)2(OH)2
Cβ“˜ MalachiteCu2(CO3)(OH)2
Cβ“˜ SideriteFeCO3
OOxygen
Oβ“˜ AzuriteCu3(CO3)2(OH)2
Oβ“˜ CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
Oβ“˜ CassiteriteSnO2
Oβ“˜ ChalcosideriteCuFe63+(PO4)4(OH)8 · 4H2O
Oβ“˜ Cuprite var. ChalcotrichiteCu2O
Oβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Oβ“˜ ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
Oβ“˜ CupriteCu2O
Oβ“˜ DufrΓ©niteCa0.5Fe2+Fe53+(PO4)4(OH)6 · 2H2O
Oβ“˜ KaoliniteAl2(Si2O5)(OH)4
Oβ“˜ LibetheniteCu2(PO4)(OH)
Oβ“˜ MalachiteCu2(CO3)(OH)2
Oβ“˜ OliveniteCu2(AsO4)(OH)
Oβ“˜ PseudomalachiteCu5(PO4)2(OH)4
Oβ“˜ QuartzSiO2
Oβ“˜ Turquoise var. RashleighiteCu(Al,Fe)6(PO4)4(OH)8 · 5H2O
Oβ“˜ RockbridgeiteFe2+Fe43+(PO4)3(OH)5
Oβ“˜ SideriteFeCO3
Oβ“˜ TenoriteCuO
Oβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oβ“˜ TurquoiseCuAl6(PO4)4(OH)8 · 4H2O
AlAluminium
Alβ“˜ CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
Alβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Alβ“˜ KaoliniteAl2(Si2O5)(OH)4
Alβ“˜ Turquoise var. RashleighiteCu(Al,Fe)6(PO4)4(OH)8 · 5H2O
Alβ“˜ TurquoiseCuAl6(PO4)4(OH)8 · 4H2O
SiSilicon
Siβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Siβ“˜ KaoliniteAl2(Si2O5)(OH)4
Siβ“˜ QuartzSiO2
PPhosphorus
Pβ“˜ CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
Pβ“˜ ChalcosideriteCuFe63+(PO4)4(OH)8 · 4H2O
Pβ“˜ DufrΓ©niteCa0.5Fe2+Fe53+(PO4)4(OH)6 · 2H2O
Pβ“˜ LibetheniteCu2(PO4)(OH)
Pβ“˜ PseudomalachiteCu5(PO4)2(OH)4
Pβ“˜ Turquoise var. RashleighiteCu(Al,Fe)6(PO4)4(OH)8 · 5H2O
Pβ“˜ RockbridgeiteFe2+Fe43+(PO4)3(OH)5
Pβ“˜ TurquoiseCuAl6(PO4)4(OH)8 · 4H2O
SSulfur
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ ChalcociteCu2S
Sβ“˜ ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
ClChlorine
Clβ“˜ ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
CaCalcium
Caβ“˜ DufrΓ©niteCa0.5Fe2+Fe53+(PO4)4(OH)6 · 2H2O
FeIron
Feβ“˜ CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
Feβ“˜ ChalcosideriteCuFe63+(PO4)4(OH)8 · 4H2O
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ DufrΓ©niteCa0.5Fe2+Fe53+(PO4)4(OH)6 · 2H2O
Feβ“˜ Turquoise var. RashleighiteCu(Al,Fe)6(PO4)4(OH)8 · 5H2O
Feβ“˜ RockbridgeiteFe2+Fe43+(PO4)3(OH)5
Feβ“˜ SideriteFeCO3
CuCopper
Cuβ“˜ AzuriteCu3(CO3)2(OH)2
Cuβ“˜ ChalcosideriteCuFe63+(PO4)4(OH)8 · 4H2O
Cuβ“˜ ChalcopyriteCuFeS2
Cuβ“˜ ChalcociteCu2S
Cuβ“˜ Cuprite var. ChalcotrichiteCu2O
Cuβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cuβ“˜ ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
Cuβ“˜ CupriteCu2O
Cuβ“˜ CopperCu
Cuβ“˜ LibetheniteCu2(PO4)(OH)
Cuβ“˜ MalachiteCu2(CO3)(OH)2
Cuβ“˜ OliveniteCu2(AsO4)(OH)
Cuβ“˜ PseudomalachiteCu5(PO4)2(OH)4
Cuβ“˜ Turquoise var. RashleighiteCu(Al,Fe)6(PO4)4(OH)8 · 5H2O
Cuβ“˜ TenoriteCuO
Cuβ“˜ TurquoiseCuAl6(PO4)4(OH)8 · 4H2O
AsArsenic
Asβ“˜ OliveniteCu2(AsO4)(OH)
SnTin
Snβ“˜ CassiteriteSnO2

Geochronology

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

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

 
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