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Great Wheal Busy (Chacewater Mine), Chacewater, Cornwall, England, UKi
Regional Level Types
Great Wheal Busy (Chacewater Mine)- not defined -
ChacewaterCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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Latitude & Longitude (WGS84): 50° 15' 29'' North , 5° 10' 26'' West
Latitude & Longitude (decimal): 50.25806,-5.17389
GeoHash:G#: gbumfm0qr
UK National Grid Reference:SW738447
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Chacewater1,226 (2017)1.2km
St. Day700 (2011)2.2km
Mount Hawke1,511 (2017)3.6km
Redruth42,690 (2017)4.5km
North Country773 (2017)4.6km


Great Wheal Busy was working a series of ENE-trending, flat dipping lodes hosted in metamorphosed killas. The sett is traversed by an elvan dyke, which was highly impregnated with sulphide ores in some places. The main ore bodies were those on Winter's lode and Chacewater lode, located in the hanging wall and footwall, respectively, of the elvan, and Hodge's lode, located in the footwall of Chacewater lode. They were worked from shafts arranged in two lines about 100 yards apart, which can still be identified in the field. Wheal Vor lode, south of the elvan, was worked from another group of shafts close to the Redruth-Chacewater road. The other lodes, on which only little work was done, are located north of the elvan and trend roughly parallel to it.

For some time, the mine was operated as Great Wheal Busy United Mine and included Hallenbeagle Mine, Great North Downs Mine, and other small mines in the area. It was already active in 1718, and was first worked for copper, but there are no records of its early production. From 1815 to 1870, it produced large quantities of copper, the bulk of which was raised before 1856 when the mine was 100 fms below Deep Adit level. In that year, the workings were sunk another 40 fms, and tin and copper ores were produced during the next ten years. In later years, it was worked mainly for arsenic. In the early 20th century, the dumps were worked over for arsenic and wolfram. Numerous shafts and spoil heaps are located in a large area north of the Redruth-Chacewater road. There are also remains of a calciner, some engine houses and a smithy.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
British IslesGroup of Islands
Devon and Cornwall metalliferous mining district, England, UKMining District
Camborne-Redruth and St Day Mining District, Cornwall, England, UKMining District

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


12 valid minerals.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Anatase4.DD.05TiO2
Cassiterite4.DB.05SnO2
Quartz4.DA.05SiO2
Group 9 - Silicates
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Titanite9.AG.15CaTi(SiO4)O
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Chlorite Group'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
AX2
Anatase4.4.4.1TiO2
Cassiterite4.4.1.5SnO2
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Apatite'-
'Chlorite Group'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals for each chemical element

HHydrogen
H MuscoviteKAl2(AlSi3O10)(OH)2
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
O CassiteriteSnO2
O Wolframite(Fe2+)WO4 to (Mn2+)WO4
O QuartzSiO2
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O MuscoviteKAl2(AlSi3O10)(OH)2
O TitaniteCaTi(SiO4)O
O ZirconZr(SiO4)
O AnataseTiO2
FFluorine
F FluoriteCaF2
AlAluminium
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si QuartzSiO2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si TitaniteCaTi(SiO4)O
Si ZirconZr(SiO4)
SSulfur
S ArsenopyriteFeAsS
S SphaleriteZnS
S ChalcopyriteCuFeS2
S PyriteFeS2
S GalenaPbS
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca FluoriteCaF2
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti TitaniteCaTi(SiO4)O
Ti AnataseTiO2
MnManganese
Mn Wolframite(Fe2+)WO4 to (Mn2+)WO4
FeIron
Fe ArsenopyriteFeAsS
Fe ChalcopyriteCuFeS2
Fe Wolframite(Fe2+)WO4 to (Mn2+)WO4
Fe PyriteFeS2
CuCopper
Cu ChalcopyriteCuFeS2
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
ZrZirconium
Zr ZirconZr(SiO4)
SnTin
Sn CassiteriteSnO2
WTungsten
W Wolframite(Fe2+)WO4 to (Mn2+)WO4
PbLead
Pb GalenaPbS

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

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Early Carboniferous
323.2 - 358.9 Ma



ID: 3192903
Paleozoic sedimentary rocks

Age: Mississippian (323.2 - 358.9 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Late Devonian
358.9 - 382.7 Ma



ID: 3135052
Late Devonian claystone

Age: Late Devonian (358.9 - 382.7 Ma)

Lithology: Claystone

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Middle Devonian
382.7 - 393.3 Ma



ID: 2035678
Middle Devonian (Undifferentiated)

Age: Middle Devonian (382.7 - 393.3 Ma)

Lithology: Mudstone, siltstone and sandstone

Reference: British Geological Survey. DiGMapGB-625. British Geological Survey ©NERC. [23]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 1, pp. 389-391.
Embrey, P.G., and Symes, R.F. (1987): Minerals of Cornwall and Devon. British Museum of Natural History (London), p. 51.


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