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Trevarthian Downs Mine (Trevarthen Mine), Prosper United Mines (Marazion Mines), St Hilary, Cornwall, England, UKi
Regional Level Types
Trevarthian Downs Mine (Trevarthen Mine)Mine
Prosper United Mines (Marazion Mines)Group of Mines
St HilaryCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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Latitude & Longitude (WGS84): 50° 8' 28'' North , 5° 26' 16'' West
Latitude & Longitude (decimal): 50.14118,-5.43793
GeoHash:G#: gbujhrbjx
Locality type:Mine
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Marazion1,294 (2017)3.2km
Uny Lelant1,056 (2017)4.6km
Hayle8,210 (2017)4.9km
Germoe175 (2017)5.1km
Leedstown267 (2017)6.3km


In 1954, Sir Arthur Russell collected linarite, galena, and native copper from a dump in the western part of the sett.

Note: Trevarthen Mine is a mis-nomer in Greg & Lettsom (1858) and Hall (1868).

The sett lies east-west for about 1200m from Long Road, that effectively separates it from Penberthy Croft in the east to Trevarthian Farm in the west. There are numerous shaft collars and tips in evidence across the sett in a swathe about 400m wide.

Galena,arsenopyrite and chalcopyrite are prolific as are many secondaries.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
British IslesGroup of Islands
Devon and Cornwall metalliferous mining district, England, UKMining District
Mount's Bay Mining District, Cornwall, England, UKMining District

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


13 valid minerals.

Detailed Mineral List:

Arsenopyrite
Formula: FeAsS
Reference: Bernie Millington
Cassiterite
Formula: SnO2
Reference: Bernie Millington
Cassiterite var: Wood Tin
Formula: SnO2
Reference: Dale Foster Collection
Chalcanthite
Formula: CuSO4 · 5H2O
Reference: Hall, T.M. (1868): The Mineralogist's Directory. Edward Stanford (London), 168 pp.
Chalcopyrite
Formula: CuFeS2
Reference: Bernie Millington
Copper
Formula: Cu
Reference: A.K. Hamilton Jenkin: Annotations to Ordnance Survey map, Sheet 69SW
Erythrite
Formula: Co3(AsO4)2 · 8H2O
Reference: Bernie Millington
Galena
Formula: PbS
Reference: A.K. Hamilton Jenkin: Annotations to Ordnance Survey map, Sheet 69SW
Linarite
Formula: PbCu(SO4)(OH)2
Reference: A.K. Hamilton Jenkin: Annotations to Ordnance Survey map, Sheet 69SW
Pyrite
Formula: FeS2
Reference: Bernie Millington
Quartz
Formula: SiO2
Reference: Chris Popham collection
Scheelite
Formula: Ca(WO4)
Reference: Bernie Millington Collection
Scorodite
Formula: Fe3+AsO4 · 2H2O
Reference: Bernie Millington
Sphalerite
Formula: ZnS
Reference: Bernie Millington

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
Cassiterite4.DB.05SnO2
var: Wood Tin4.DB.05SnO2
Quartz4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Chalcanthite7.CB.20CuSO4 · 5H2O
Linarite7.BC.65PbCu(SO4)(OH)2
Scheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
Erythrite8.CE.40Co3(AsO4)2 · 8H2O
Scorodite8.CD.10Fe3+AsO4 · 2H2O

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
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
Cassiterite4.4.1.5SnO2
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Chalcanthite29.6.7.1CuSO4 · 5H2O
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Linarite30.2.3.1PbCu(SO4)(OH)2
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
A3(XO4)2·xH2O
Erythrite40.3.6.3Co3(AsO4)2 · 8H2O
(AB)5(XO4)2·xH2O
Scorodite40.4.1.3Fe3+AsO4 · 2H2O
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Scheelite48.1.2.1Ca(WO4)
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Cassiterite
var: Wood Tin
-SnO2

List of minerals for each chemical element

HHydrogen
H LinaritePbCu(SO4)(OH)2
H ChalcanthiteCuSO4 · 5H2O
H ScoroditeFe3+AsO4 · 2H2O
H ErythriteCo3(AsO4)2 · 8H2O
OOxygen
O LinaritePbCu(SO4)(OH)2
O ChalcanthiteCuSO4 · 5H2O
O CassiteriteSnO2
O ScoroditeFe3+AsO4 · 2H2O
O ErythriteCo3(AsO4)2 · 8H2O
O ScheeliteCa(WO4)
O Cassiterite (var: Wood Tin)SnO2
O QuartzSiO2
SiSilicon
Si QuartzSiO2
SSulfur
S LinaritePbCu(SO4)(OH)2
S GalenaPbS
S ChalcanthiteCuSO4 · 5H2O
S ArsenopyriteFeAsS
S SphaleriteZnS
S ChalcopyriteCuFeS2
S PyriteFeS2
CaCalcium
Ca ScheeliteCa(WO4)
FeIron
Fe ArsenopyriteFeAsS
Fe ScoroditeFe3+AsO4 · 2H2O
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
CoCobalt
Co ErythriteCo3(AsO4)2 · 8H2O
CuCopper
Cu LinaritePbCu(SO4)(OH)2
Cu CopperCu
Cu ChalcanthiteCuSO4 · 5H2O
Cu ChalcopyriteCuFeS2
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
As ScoroditeFe3+AsO4 · 2H2O
As ErythriteCo3(AsO4)2 · 8H2O
SnTin
Sn CassiteriteSnO2
Sn Cassiterite (var: Wood Tin)SnO2
WTungsten
W ScheeliteCa(WO4)
PbLead
Pb LinaritePbCu(SO4)(OH)2
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: 2033495
Upper Devonian Rocks (Undifferentiated)

Age: Late Devonian (358.9 - 382.7 Ma)

Lithology: Mudstone, siltstone and sandstone

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

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]

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)
Greg, R.P. and Lettsom, W.G. (1858) Manual of the mineralogy of Great Britain and Ireland. John Van Voorst, London, ix, 483 pp. [facsimile reprint, with addenda, by Lapidary Publications, Broadstairs, 1977].
Hall, T.M. (1868) The Mineralogist's Directory: or a guide to the principal mineral localities in the United Kingdom and Ireland. Edward Stanford (London), 168 pp.
Hamilton Jenkin, A.K. (xxxx) Annotations to Ordnance Survey map, Sheet 69SW.


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