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South Terras Mine (Resugga & Tolgarrick Mine; Union Mine; Uranium Mine), St Stephen-in-Brannel, Cornwall, England, UK

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Latitude & Longitude (WGS84): 50° 20' 3'' North , 4° 54' 6'' West
Latitude & Longitude (decimal): 50.33444,-4.90194
GeoHash:G#: gbuw27ne2
UK National Grid Reference:SW935524
Locality type:Mine
Köppen climate type:Cfb : Temperate oceanic climate


A uranium mine.

The mine began life working ochre at the surface and iron ore, principally magnetite at depth. Some tin was also raised.
Uranium ores were also discovered close to the surface, principally hydrated minerals such as Torbernite, known locally as 'Green Jim'.
Pitchblende was discovered at greater depth and in later years became the mainstay of the mine until closure in 1930.
Whilst uranium ores had been found in other Cornish mines occurrence was sporadic. South Terras was unique in Cornwall in that a lode of some 250 fathoms length (457.2m) was found with uranium derivatives being the principal ores (taken from the Journal of the Royal Institution of Cornwall Vol. 1, 1993).

The whole site is extremely radioactive, why the house remains occupied is a mystery. If the normal background radiation is 10 to 12 counts/second, across the South Terras site and even out in the road the counts wander from 50 to 200 counts/second. However, in places counts rise to 500/s and at the head of the new adit shaft contaminated water is evidently seeping out as counts across wide parts of the sunken floor exceed 2000/second.

Note on the mineral list: Xanthiosite, aerugite, and bismutoferrite have been removed from the list due to the high probability of fraudulent recording of discovery by A.W.G. Kingsbury.

Regions containing this locality

Devon and Cornwall metalliferous mining district, England, UK

Mining District - 759 mineral species & varietal names listed

St Austell Mining District, Cornwall, England, UK

Mining District - 252 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

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


Mineral List


50 valid minerals. 3 erroneous literature entries.

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543
Aerugite
Formula: Ni8.5(AsO4)2As5+O8
Description: Now considered as one of several occurrences that were falsified by Kingsbury.
Reference: Davis, R.J., Hey, M.H., and Kingsbury, A.W.G. (1965) Xanthiosite and aerugite. Mineralogical Magazine, vol. 35, n° 269, p. 72-83.; Embrey, P.G. (1978) Fourth supplementary list of British Minerals. Mineralogical Magazine, vol. 42, n° 322, p. 169-177. (referring to Kingsbury)
Andradite
Formula: Ca3Fe3+2(SiO4)3
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Anglesite
Formula: PbSO4
Reference: LeBoutillier, N. G., Shail, R. K., & Jewson, C. (2003). Monazite in polymetallic chlorite-(tourmaline)-quartz-(fluorite)-cassiterite-sulphide lodes and its potential for constraining the chronology of magmatic hydrothermal mineralisation in Cornwall.
Annabergite
Formula: Ni3(AsO4)2 · 8H2O
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Arsenopyrite
Formula: FeAsS
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543; LeBoutillier, N. G., Shail, R. K., & Jewson, C. (2003). Monazite in polymetallic chlorite-(tourmaline)-quartz-(fluorite)-cassiterite-sulphide lodes and its potential for constraining the chronology of magmatic hydrothermal mineralisation in Cornwall.
Asbolane
Formula: (Ni,Co)2-xMn4+(O,OH)4 · nH2O
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Autunite
Formula: Ca(UO2)2(PO4)2 · 11H2O
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543; Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
'Autunite Group'
Formula: A(UO2)2(XO4)2·10-12H2O
Reference: S.Rust collection.
'Axinite Group'
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543; Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Bassetite
Formula: Fe2+(UO2)2(PO4)2 · 10H2O
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Bismuthinite
Formula: Bi2S3
Reference: LeBoutillier, N. G., Shail, R. K., & Jewson, C. (2003). Monazite in polymetallic chlorite-(tourmaline)-quartz-(fluorite)-cassiterite-sulphide lodes and its potential for constraining the chronology of magmatic hydrothermal mineralisation in Cornwall.
Bismutoferrite
Formula: Fe3+2Bi(SiO4)2(OH)
Description: "Greenish yellow massive in quartz and bismuth." Now considered as one of several occurrences that were falsified by Kingsbury.
Reference: Kingsbury, A.W.G. (1963): Mineralogical Magazine 33, xc. Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, vol. 42, n° 322, 169-177 (referring to Kingsbury).
Boltwoodite ?
Formula: (K,Na)(UO2)(SiO3OH) · 1.5H2O
Habit: Not determined.
Colour: Yellowish brown / ochre
Fluorescence: Distinct but very weak tawn/brown fluorescence under LW UltraViolet (LED)
Description: This material was found while checking for fluorescent species. Earthy, yellowish-brown/ochre-coloured encrustations associated with other secondary uranium species. Very weak tawn fluorescence under LW UV.
Reference: Alysson Rowan Collection
Bornite
Formula: Cu5FeS4
Reference: LeBoutillier, N. G., Shail, R. K., & Jewson, C. (2003). Monazite in polymetallic chlorite-(tourmaline)-quartz-(fluorite)-cassiterite-sulphide lodes and its potential for constraining the chronology of magmatic hydrothermal mineralisation in Cornwall.
Brochantite
Formula: Cu4(SO4)(OH)6
Colour: Deep emerald Green
Reference: Steve Rust Collection
Carnotite ?
Formula: K2(UO2)2(VO4)2 · 3H2O
Description: Data are insufficient to identify the material as carnotite.
Reference: Gramaccioli (1955): Natura 46, 30-32; Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Cassiterite
Formula: SnO2
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543; LeBoutillier, N. G., Shail, R. K., & Jewson, C. (2003). Monazite in polymetallic chlorite-(tourmaline)-quartz-(fluorite)-cassiterite-sulphide lodes and its potential for constraining the chronology of magmatic hydrothermal mineralisation in Cornwall.
Chalcocite
Formula: Cu2S
Reference: LeBoutillier, N. G., Shail, R. K., & Jewson, C. (2003). Monazite in polymetallic chlorite-(tourmaline)-quartz-(fluorite)-cassiterite-sulphide lodes and its potential for constraining the chronology of magmatic hydrothermal mineralisation in Cornwall.
Chalcopyrite
Formula: CuFeS2
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543; Mineralogical Magazine 1965 34 : 159-176.; LeBoutillier, N. G., Shail, R. K., & Jewson, C. (2003). Monazite in polymetallic chlorite-(tourmaline)-quartz-(fluorite)-cassiterite-sulphide lodes and its potential for constraining the chronology of magmatic hydrothermal mineralisation in Cornwall.
Chalcopyrite var: Blister Copper
Formula: CuFeS2
Habit: Massive, botryoidal
Colour: Brass yellow on fresh surfaces, otherwise bluish black.
Description: Small botryoidal masses partially filling voids in granular quartz veinstone. Some almost completely spherical masses are present in some voids. The surface of the mass is tarnished a deepest blue while fresh faces show the usual brass colour of the chalcopyrite.
Reference: Alysson Rowan Collection
'Chlorite Group'
Reference: LeBoutillier, N. G., Shail, R. K., & Jewson, C. (2003). Monazite in polymetallic chlorite-(tourmaline)-quartz-(fluorite)-cassiterite-sulphide lodes and its potential for constraining the chronology of magmatic hydrothermal mineralisation in Cornwall.
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Reference: LeBoutillier, N. G., Shail, R. K., & Jewson, C. (2003). Monazite in polymetallic chlorite-(tourmaline)-quartz-(fluorite)-cassiterite-sulphide lodes and its potential for constraining the chronology of magmatic hydrothermal mineralisation in Cornwall.
Coffinite
Formula: U(SiO4) · nH2O
Reference: Mineralogical Magazine 1965 34, 159-176 (1965); Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Erythrite
Formula: Co3(AsO4)2 · 8H2O
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Fluorite
Formula: CaF2
Reference: LeBoutillier, N. G., Shail, R. K., & Jewson, C. (2003). Monazite in polymetallic chlorite-(tourmaline)-quartz-(fluorite)-cassiterite-sulphide lodes and its potential for constraining the chronology of magmatic hydrothermal mineralisation in Cornwall.
Francevillite
Formula: Ba(UO2)2(VO4)2 · 5H2O
Reference: Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, vol. 42, n° 322, 169-177.; Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Galena
Formula: PbS
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543; Rocks & Min.: 23:690; Mineralogical Magazine 1965 34 : 159-176.; LeBoutillier, N. G., Shail, R. K., & Jewson, C. (2003). Monazite in polymetallic chlorite-(tourmaline)-quartz-(fluorite)-cassiterite-sulphide lodes and its potential for constraining the chronology of magmatic hydrothermal mineralisation in Cornwall.
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543
Gersdorffite
Formula: NiAsS
Reference: Davis, R.J., Hey, M.H., and Kingsbury, A.W.G. (1965): Mineralogical Magazine 35, 72-83
Hematite
Formula: Fe2O3
Reference: LeBoutillier, N. G., Shail, R. K., & Jewson, C. (2003). Monazite in polymetallic chlorite-(tourmaline)-quartz-(fluorite)-cassiterite-sulphide lodes and its potential for constraining the chronology of magmatic hydrothermal mineralisation in Cornwall.
'Hornblende'
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543
'commodity:Iron'
Formula: Fe
Reference:  
Kaňkite
Formula: FeAsO4 · 3.5H2O
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543; Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Marcasite
Formula: FeS2
Reference: Mineralogical Magazine 1965 34 : 159-176.
Metasaléeite
Formula: Mg(UO2)2(PO4)2 · 8H2O
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Metatorbernite
Formula: Cu(UO2)2(PO4)2 · 8H2O
Description: (reference lists torbernite)
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
'Metatorbernite-Metazeunerite Series'
Reference: S.Rust collection.
Metazeunerite
Formula: Cu(UO2)2(AsO4)2 · 8H2O
Description: (reference lists zeunerite)
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Mixite
Formula: BiCu6(AsO4)3(OH)6 · 3H2O
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
'Monazite'
Reference: LeBoutillier, N. G., Shail, R. K., & Jewson, C. (2003). Monazite in polymetallic chlorite-(tourmaline)-quartz-(fluorite)-cassiterite-sulphide lodes and its potential for constraining the chronology of magmatic hydrothermal mineralisation in Cornwall.
'Ochre'
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543
Olivenite
Formula: Cu2(AsO4)(OH)
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543; Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Opal
Formula: SiO2 · nH2O
Habit: Massive
Colour: white-transparent
Fluorescence: No reaction with LW UV
Description: Observed initially as a white surface layer of less than 0.5mm covering a brown agate coating. When wetted, this layer becomes transparent and gradually returns to an opaque white as it dries out.
Reference: Alysson Rowan Collection
Pharmacosiderite
Formula: KFe3+4(AsO4)3(OH)4 · 6-7H2O
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543
Pyrite
Formula: FeS2
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543; Mineralogical Magazine 1965 34 : 159-176.
Quartz
Formula: SiO2
Reference: Dines, H.G. (1956) The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543.; Darnley, A.G., English, T.H., Sprake, Mrs. O., Preece, E.R. and Avery, D. (1965) Ages of Uraninite and Coffinite from South-West England. Mineralogical Magazine, vol. 34, n° 268, pp. 159-176.; Davis, R.J., Hey, M.H., and Kingsbury, A.W.G. (1965) Xanthiosite and aerugite. Mineralogical Magazine, vol. 35, n° 269, pp. 72-83.; Embrey, P.G. (1978) Fourth supplementary list of British Minerals. Mineralogical Magazine, vol. 42, n° 322, pp. 169-177.; LeBoutillier, N.G., Shail, R.K., & Jewson, C. (2003) Monazite in polymetallic chlorite-(tourmaline)-quartz-(fluorite)-cassiterite-sulphide lodes and its potential for constraining the chronology of magmatic hydrothermal mineralisation in Cornwall.
Quartz var: Agate
Habit: Massive, botryoidal
Colour: White, cream, ochre-brown
Fluorescence: No reaction with LW UV.
Description: Seen as a white to brown, botryoidal coating on the surfaces of porous quartz. This coating does not appear to ever exceed 1mm thickness.
Reference: Alysson Rowan Collection
Quartz var: Smoky Quartz
Formula: SiO2
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Rammelsbergite
Formula: NiAs2
Reference: Davis, R.J., Hey, M.H., and Kingsbury, A.W.G. (1965): Mineralogical Magazine 35, 72-83
Rutherfordine
Formula: (UO2)CO3
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Saléeite
Formula: Mg(UO2)2(PO4)2 · 10H2O
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: LeBoutillier, N. G., Shail, R. K., & Jewson, C. (2003). Monazite in polymetallic chlorite-(tourmaline)-quartz-(fluorite)-cassiterite-sulphide lodes and its potential for constraining the chronology of magmatic hydrothermal mineralisation in Cornwall.
Scorodite
Formula: Fe3+AsO4 · 2H2O
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543; Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Siderite
Formula: FeCO3
Reference: Mineralogical Magazine 1965 34 : 159-176.; LeBoutillier, N. G., Shail, R. K., & Jewson, C. (2003). Monazite in polymetallic chlorite-(tourmaline)-quartz-(fluorite)-cassiterite-sulphide lodes and its potential for constraining the chronology of magmatic hydrothermal mineralisation in Cornwall.
Skutterudite
Formula: CoAs3
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Sphalerite
Formula: ZnS
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543; Mineralogical Magazine 1965 34 : 159-176.
'commodity:Tin'
Formula: Sn
Reference:  
Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543; Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543; LeBoutillier, N. G., Shail, R. K., & Jewson, C. (2003). Monazite in polymetallic chlorite-(tourmaline)-quartz-(fluorite)-cassiterite-sulphide lodes and its potential for constraining the chronology of magmatic hydrothermal mineralisation in Cornwall.
Trögerite
Formula: (H3O)(UO2)(AsO4) · 3H2O
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Uraninite
Formula: UO2
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.; Rocks and Minerals 23, 690
Uraninite var: Pitchblende
Formula: UO2
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543; Darnley, A.G., English, T.H., Mrs. O. Sprake, Preece, E.R. and Avery, D. (1965) Ages of Uraninite and Coffinite from South-West England. Mineralogical Magazine, vol. 34, n°268, 159-176.; Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, vol. 42, n° 322, 169-177 (referring to Darnley et al.)
'commodity:Uranium'
Formula: U
Reference: From USGS MRDS database
Wittichenite
Formula: Cu3BiS3
Reference: LeBoutillier, N. G., Shail, R. K., & Jewson, C. (2003). Monazite in polymetallic chlorite-(tourmaline)-quartz-(fluorite)-cassiterite-sulphide lodes and its potential for constraining the chronology of magmatic hydrothermal mineralisation in Cornwall.
'Wolframite'
Formula: (Fe2+)WO4 to (Mn2+)WO4
Reference: LeBoutillier, N. G., Shail, R. K., & Jewson, C. (2003). Monazite in polymetallic chlorite-(tourmaline)-quartz-(fluorite)-cassiterite-sulphide lodes and its potential for constraining the chronology of magmatic hydrothermal mineralisation in Cornwall.
Xanthiosite
Formula: Ni3(AsO4)2
Description: Now considered as one of several occurrences that were falsified by Kingsbury.
Reference: Davis, R.J., Hey, M.H., and Kingsbury, A.W.G. (1965) Xanthiosite and aerugite. Mineralogical Magazine, vol. 35, n° 269, p. 72-83.; Embrey, P.G. (1978) Fourth supplementary list of British Minerals. Mineralogical Magazine, vol. 42, n° 322, p. 169-177. (referring to Kingsbury)
Zeunerite
Formula: Cu(UO2)2(AsO4)2 · 12H2O
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Zippeite
Formula: K3(UO2)4(SO4)2O3(OH) · 3H2O
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 541-543; Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Bismuthinite2.DB.05Bi2S3
Bornite2.BA.15Cu5FeS4
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
var: Blister Copper2.CB.10aCuFeS2
Galena2.CD.10PbS
Gersdorffite2.EB.25NiAsS
Marcasite2.EB.10aFeS2
Pyrite2.EB.05aFeS2
Rammelsbergite2.EB.15aNiAs2
Skutterudite2.EC.05CoAs3
Sphalerite2.CB.05aZnS
Wittichenite2.GA.20Cu3BiS3
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Asbolane4.FL.30(Ni,Co)2-xMn4+(O,OH)4 · nH2O
Carnotite ?4.HB.05K2(UO2)2(VO4)2 · 3H2O
Cassiterite4.DB.05SnO2
Francevillite4.HB.15Ba(UO2)2(VO4)2 · 5H2O
Hematite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Opal4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
var: Agate4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Uraninite4.DL.05UO2
var: Pitchblende4.DL.05UO2
Group 5 - Nitrates and Carbonates
Rutherfordine5.EB.05(UO2)CO3
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Brochantite7.BB.25Cu4(SO4)(OH)6
Zippeite7.EC.05K3(UO2)4(SO4)2O3(OH) · 3H2O
Group 8 - Phosphates, Arsenates and Vanadates
'Aerugite' ?8.BC.15Ni8.5(AsO4)2As5+O8
Annabergite8.CE.40Ni3(AsO4)2 · 8H2O
Autunite8.EB.05Ca(UO2)2(PO4)2 · 11H2O
Bassetite8.EB.10Fe2+(UO2)2(PO4)2 · 10H2O
Erythrite8.CE.40Co3(AsO4)2 · 8H2O
Kaňkite8.CE.60FeAsO4 · 3.5H2O
Metasaléeite8.EB.10Mg(UO2)2(PO4)2 · 8H2O
Metatorbernite8.EB.10Cu(UO2)2(PO4)2 · 8H2O
Metazeunerite8.EB.10Cu(UO2)2(AsO4)2 · 8H2O
Mixite8.DL.15BiCu6(AsO4)3(OH)6 · 3H2O
Olivenite8.BB.30Cu2(AsO4)(OH)
Pharmacosiderite8.DK.10KFe3+4(AsO4)3(OH)4 · 6-7H2O
Saléeite8.EB.05Mg(UO2)2(PO4)2 · 10H2O
Scorodite8.CD.10Fe3+AsO4 · 2H2O
Torbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Trögerite8.EB.15(H3O)(UO2)(AsO4) · 3H2O
Xanthiosite ?8.AB.25Ni3(AsO4)2
Zeunerite8.EB.05Cu(UO2)2(AsO4)2 · 12H2O
Group 9 - Silicates
'Actinolite'9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Andradite9.AD.25Ca3Fe3+2(SiO4)3
Bismutoferrite ?9.ED.25Fe3+2Bi(SiO4)2(OH)
Boltwoodite ?9.AK.15(K,Na)(UO2)(SiO3OH) · 1.5H2O
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Coffinite9.AD.30U(SiO4) · nH2O
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Unclassified Minerals, Rocks, etc.
Autunite Group-A(UO2)2(XO4)2·10-12H2O
Axinite Group-
Chlorite Group-
Garnet Group-X3Z2(SiO4)3
Hornblende-
Metatorbernite-Metazeunerite Series-
Monazite-
Ochre-
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
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
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 = 2:3
Bismuthinite2.11.2.3Bi2S3
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Gersdorffite2.12.3.2NiAsS
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Rammelsbergite2.12.2.12NiAs2
Skutterudite2.12.17.1CoAs3
Group 3 - SULFOSALTS
ø = 3
Wittichenite3.4.8.1Cu3BiS3
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Cassiterite4.4.1.5SnO2
Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
Miscellaneous
Asbolane6.4.9.1(Ni,Co)2-xMn4+(O,OH)4 · nH2O
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Rutherfordine14.1.4.1(UO2)CO3
Siderite14.1.1.3FeCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)m(XO4)pZq, where m:p>2:1
Brochantite30.1.3.1Cu4(SO4)(OH)6
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
Miscellaneous
Zippeite31.10.4.1K3(UO2)4(SO4)2O3(OH) · 3H2O
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
(AB)3(XO4)2
Xanthiosite ?38.3.2.1Ni3(AsO4)2
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Autunite40.2a.1.1Ca(UO2)2(PO4)2 · 11H2O
Bassetite40.2a.16.1Fe2+(UO2)2(PO4)2 · 10H2O
Carnotite ?40.2a.28.1K2(UO2)2(VO4)2 · 3H2O
Francevillite40.2a.27.1Ba(UO2)2(VO4)2 · 5H2O
Metatorbernite40.2a.13.2Cu(UO2)2(PO4)2 · 8H2O
Metazeunerite40.2a.14.2Cu(UO2)2(AsO4)2 · 8H2O
Saléeite40.2a.11.1Mg(UO2)2(PO4)2 · 10H2O
Torbernite40.2a.13.1Cu(UO2)2(PO4)2 · 12H2O
Trögerite40.2a.20.1(H3O)(UO2)(AsO4) · 3H2O
Zeunerite40.2a.14.1Cu(UO2)2(AsO4)2 · 12H2O
A3(XO4)2·xH2O
Annabergite40.3.6.4Ni3(AsO4)2 · 8H2O
Erythrite40.3.6.3Co3(AsO4)2 · 8H2O
(AB)5(XO4)2·xH2O
Scorodite40.4.1.3Fe3+AsO4 · 2H2O
AXO4·xH2O
Kaňkite40.5.4.FeAsO4 · 3.5H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)3(XO4)Zq
Aerugite ?41.3.11. Ni8.5(AsO4)2As5+O8
A2(XO4)Zq
Olivenite41.6.6.1Cu2(AsO4)(OH)
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)7(XO4)3Zq·xH2O
Mixite42.5.1.1BiCu6(AsO4)3(OH)6 · 3H2O
(AB)5(XO4)3Zq·xH2O
Pharmacosiderite42.8.1a.1KFe3+4(AsO4)3(OH)4 · 6-7H2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Andradite51.4.3b.1Ca3Fe3+2(SiO4)3
Insular SiO4 Groups Only with cations in >[6] coordination
Coffinite51.5.2.4U(SiO4) · nH2O
Group 53 - NESOSILICATES Insular SiO4 Groups and Other Anions or Complex Cations
Insular SiO4 Groups and Other Anions of Complex Cations with (UO2)
Boltwoodite ?53.3.1.5(K,Na)(UO2)(SiO3OH) · 1.5H2O
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with borate groups
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Bismutoferrite ?71.1.3.1Fe3+2Bi(SiO4)2(OH)
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Unclassified Minerals, Rocks, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Autunite Group'-A(UO2)2(XO4)2·10-12H2O
'Axinite Group'-
Chalcopyrite
var: Blister Copper
-CuFeS2
'Chlorite Group'-
'Garnet Group'-X3Z2(SiO4)3
'Hornblende'-
Metasaléeite-Mg(UO2)2(PO4)2 · 8H2O
'Metatorbernite-Metazeunerite Series'-
'Monazite'-
'Ochre'-
Quartz
var: Agate
-SiO2
var: Smoky Quartz-SiO2
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z
Uraninite
var: Pitchblende
-UO2
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals for each chemical element

HHydrogen
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H AnnabergiteNi3(AsO4)2 · 8H2O
H Asbolane(Ni,Co)2-xMn4+(O,OH)4 · nH2O
H AutuniteCa(UO2)2(PO4)2 · 11H2O
H Autunite GroupA(UO2)2(XO4)2·10-12H2O
H BassetiteFe2+(UO2)2(PO4)2 · 10H2O
H BismutoferriteFe23+Bi(SiO4)2(OH)
H Boltwoodite(K,Na)(UO2)(SiO3OH) · 1.5H2O
H BrochantiteCu4(SO4)(OH)6
H CarnotiteK2(UO2)2(VO4)2 · 3H2O
H ClinochloreMg5Al(AlSi3O10)(OH)8
H CoffiniteU(SiO4) · nH2O
H ErythriteCo3(AsO4)2 · 8H2O
H FrancevilliteBa(UO2)2(VO4)2 · 5H2O
H KaňkiteFeAsO4 · 3.5H2O
H MetasaléeiteMg(UO2)2(PO4)2 · 8H2O
H MetatorberniteCu(UO2)2(PO4)2 · 8H2O
H MetazeuneriteCu(UO2)2(AsO4)2 · 8H2O
H MixiteBiCu6(AsO4)3(OH)6 · 3H2O
H OliveniteCu2(AsO4)(OH)
H OpalSiO2 · nH2O
H PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
H SaléeiteMg(UO2)2(PO4)2 · 10H2O
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
H ScoroditeFe3+AsO4 · 2H2O
H TorberniteCu(UO2)2(PO4)2 · 12H2O
H Trögerite(H3O)(UO2)(AsO4) · 3H2O
H ZeuneriteCu(UO2)2(AsO4)2 · 12H2O
H ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
BBoron
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
CCarbon
C Rutherfordine(UO2)CO3
C SideriteFeCO3
OOxygen
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O AerugiteNi8.5(AsO4)2As5+O8
O AndraditeCa3Fe23+(SiO4)3
O AnglesitePbSO4
O AnnabergiteNi3(AsO4)2 · 8H2O
O Asbolane(Ni,Co)2-xMn4+(O,OH)4 · nH2O
O AutuniteCa(UO2)2(PO4)2 · 11H2O
O Autunite GroupA(UO2)2(XO4)2·10-12H2O
O BassetiteFe2+(UO2)2(PO4)2 · 10H2O
O BismutoferriteFe23+Bi(SiO4)2(OH)
O Boltwoodite(K,Na)(UO2)(SiO3OH) · 1.5H2O
O BrochantiteCu4(SO4)(OH)6
O CarnotiteK2(UO2)2(VO4)2 · 3H2O
O CassiteriteSnO2
O ClinochloreMg5Al(AlSi3O10)(OH)8
O CoffiniteU(SiO4) · nH2O
O ErythriteCo3(AsO4)2 · 8H2O
O FrancevilliteBa(UO2)2(VO4)2 · 5H2O
O Garnet GroupX3Z2(SiO4)3
O HematiteFe2O3
O KaňkiteFeAsO4 · 3.5H2O
O MagnetiteFe2+Fe23+O4
O MetasaléeiteMg(UO2)2(PO4)2 · 8H2O
O MetatorberniteCu(UO2)2(PO4)2 · 8H2O
O MetazeuneriteCu(UO2)2(AsO4)2 · 8H2O
O MixiteBiCu6(AsO4)3(OH)6 · 3H2O
O OliveniteCu2(AsO4)(OH)
O OpalSiO2 · nH2O
O PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
O Uraninite (var: Pitchblende)UO2
O QuartzSiO2
O Rutherfordine(UO2)CO3
O SaléeiteMg(UO2)2(PO4)2 · 10H2O
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O ScoroditeFe3+AsO4 · 2H2O
O SideriteFeCO3
O Quartz (var: Smoky Quartz)SiO2
O TorberniteCu(UO2)2(PO4)2 · 12H2O
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O Trögerite(H3O)(UO2)(AsO4) · 3H2O
O UraniniteUO2
O Wolframite(Fe2+)WO4 to (Mn2+)WO4
O XanthiositeNi3(AsO4)2
O ZeuneriteCu(UO2)2(AsO4)2 · 12H2O
O ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
FFluorine
F FluoriteCaF2
NaSodium
Na Boltwoodite(K,Na)(UO2)(SiO3OH) · 1.5H2O
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg Asbolane(Ni,Co)2-xMn4+(O,OH)4 · nH2O
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg MetasaléeiteMg(UO2)2(PO4)2 · 8H2O
Mg SaléeiteMg(UO2)2(PO4)2 · 10H2O
AlAluminium
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
SiSilicon
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si AndraditeCa3Fe23+(SiO4)3
Si BismutoferriteFe23+Bi(SiO4)2(OH)
Si Boltwoodite(K,Na)(UO2)(SiO3OH) · 1.5H2O
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si CoffiniteU(SiO4) · nH2O
Si Garnet GroupX3Z2(SiO4)3
Si OpalSiO2 · nH2O
Si QuartzSiO2
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si Quartz (var: Smoky Quartz)SiO2
PPhosphorus
P AutuniteCa(UO2)2(PO4)2 · 11H2O
P BassetiteFe2+(UO2)2(PO4)2 · 10H2O
P MetasaléeiteMg(UO2)2(PO4)2 · 8H2O
P MetatorberniteCu(UO2)2(PO4)2 · 8H2O
P SaléeiteMg(UO2)2(PO4)2 · 10H2O
P TorberniteCu(UO2)2(PO4)2 · 12H2O
SSulfur
S AnglesitePbSO4
S ArsenopyriteFeAsS
S BismuthiniteBi2S3
S Chalcopyrite (var: Blister Copper)CuFeS2
S BorniteCu5FeS4
S BrochantiteCu4(SO4)(OH)6
S ChalcociteCu2S
S ChalcopyriteCuFeS2
S GalenaPbS
S GersdorffiteNiAsS
S MarcasiteFeS2
S PyriteFeS2
S SphaleriteZnS
S WitticheniteCu3BiS3
S ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
KPotassium
K Boltwoodite(K,Na)(UO2)(SiO3OH) · 1.5H2O
K CarnotiteK2(UO2)2(VO4)2 · 3H2O
K PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
K ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
CaCalcium
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca AndraditeCa3Fe23+(SiO4)3
Ca Asbolane(Ni,Co)2-xMn4+(O,OH)4 · nH2O
Ca AutuniteCa(UO2)2(PO4)2 · 11H2O
Ca FluoriteCaF2
VVanadium
V CarnotiteK2(UO2)2(VO4)2 · 3H2O
V FrancevilliteBa(UO2)2(VO4)2 · 5H2O
MnManganese
Mn Asbolane(Ni,Co)2-xMn4+(O,OH)4 · nH2O
Mn Wolframite(Fe2+)WO4 to (Mn2+)WO4
FeIron
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe AndraditeCa3Fe23+(SiO4)3
Fe ArsenopyriteFeAsS
Fe BassetiteFe2+(UO2)2(PO4)2 · 10H2O
Fe BismutoferriteFe23+Bi(SiO4)2(OH)
Fe Chalcopyrite (var: Blister Copper)CuFeS2
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe HematiteFe2O3
Fe KaňkiteFeAsO4 · 3.5H2O
Fe MagnetiteFe2+Fe23+O4
Fe MarcasiteFeS2
Fe PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
Fe PyriteFeS2
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Fe ScoroditeFe3+AsO4 · 2H2O
Fe SideriteFeCO3
Fe Wolframite(Fe2+)WO4 to (Mn2+)WO4
CoCobalt
Co Asbolane(Ni,Co)2-xMn4+(O,OH)4 · nH2O
Co ErythriteCo3(AsO4)2 · 8H2O
Co SkutteruditeCoAs3
NiNickel
Ni AerugiteNi8.5(AsO4)2As5+O8
Ni AnnabergiteNi3(AsO4)2 · 8H2O
Ni Asbolane(Ni,Co)2-xMn4+(O,OH)4 · nH2O
Ni GersdorffiteNiAsS
Ni RammelsbergiteNiAs2
Ni XanthiositeNi3(AsO4)2
CuCopper
Cu Chalcopyrite (var: Blister Copper)CuFeS2
Cu BorniteCu5FeS4
Cu BrochantiteCu4(SO4)(OH)6
Cu ChalcociteCu2S
Cu ChalcopyriteCuFeS2
Cu MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Cu MetazeuneriteCu(UO2)2(AsO4)2 · 8H2O
Cu MixiteBiCu6(AsO4)3(OH)6 · 3H2O
Cu OliveniteCu2(AsO4)(OH)
Cu TorberniteCu(UO2)2(PO4)2 · 12H2O
Cu WitticheniteCu3BiS3
Cu ZeuneriteCu(UO2)2(AsO4)2 · 12H2O
ZnZinc
Zn SphaleriteZnS
AsArsenic
As AerugiteNi8.5(AsO4)2As5+O8
As AnnabergiteNi3(AsO4)2 · 8H2O
As ArsenopyriteFeAsS
As ErythriteCo3(AsO4)2 · 8H2O
As GersdorffiteNiAsS
As KaňkiteFeAsO4 · 3.5H2O
As MetazeuneriteCu(UO2)2(AsO4)2 · 8H2O
As MixiteBiCu6(AsO4)3(OH)6 · 3H2O
As OliveniteCu2(AsO4)(OH)
As PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
As RammelsbergiteNiAs2
As ScoroditeFe3+AsO4 · 2H2O
As SkutteruditeCoAs3
As Trögerite(H3O)(UO2)(AsO4) · 3H2O
As XanthiositeNi3(AsO4)2
As ZeuneriteCu(UO2)2(AsO4)2 · 12H2O
SnTin
Sn CassiteriteSnO2
BaBarium
Ba FrancevilliteBa(UO2)2(VO4)2 · 5H2O
WTungsten
W Wolframite(Fe2+)WO4 to (Mn2+)WO4
PbLead
Pb AnglesitePbSO4
Pb GalenaPbS
BiBismuth
Bi BismuthiniteBi2S3
Bi BismutoferriteFe23+Bi(SiO4)2(OH)
Bi MixiteBiCu6(AsO4)3(OH)6 · 3H2O
Bi WitticheniteCu3BiS3
UUranium
U AutuniteCa(UO2)2(PO4)2 · 11H2O
U Autunite GroupA(UO2)2(XO4)2·10-12H2O
U BassetiteFe2+(UO2)2(PO4)2 · 10H2O
U Boltwoodite(K,Na)(UO2)(SiO3OH) · 1.5H2O
U CarnotiteK2(UO2)2(VO4)2 · 3H2O
U CoffiniteU(SiO4) · nH2O
U FrancevilliteBa(UO2)2(VO4)2 · 5H2O
U MetasaléeiteMg(UO2)2(PO4)2 · 8H2O
U MetatorberniteCu(UO2)2(PO4)2 · 8H2O
U MetazeuneriteCu(UO2)2(AsO4)2 · 8H2O
U Uraninite (var: Pitchblende)UO2
U Rutherfordine(UO2)CO3
U SaléeiteMg(UO2)2(PO4)2 · 10H2O
U TorberniteCu(UO2)2(PO4)2 · 12H2O
U Trögerite(H3O)(UO2)(AsO4) · 3H2O
U UraniniteUO2
U ZeuneriteCu(UO2)2(AsO4)2 · 12H2O
U ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O

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]

Devonian
358.9 - 419.2 Ma



ID: 3135951
Devonian claystone

Age: Devonian (358.9 - 419.2 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]

Early Devonian
393.3 - 419.2 Ma



ID: 2033471
Lower Devonian Rocks (Undifferentiated)

Age: Early Devonian (393.3 - 419.2 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. 2, 541-543.
Embrey, P.G. (1978) Fourth supplementary list of British Minerals. Mineralogical Magazine, 42(322), 169-177.
Rocks & Minerals, 23, 690.

External Links



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