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Tolvadden Mine, Marazion, Cornwall, England, UKi
Regional Level Types
Tolvadden MineMine
MarazionCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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Key
Latitude & Longitude (WGS84):
50° 7' 21'' North , 5° 27' 15'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SW531305
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Marazion1,294 (2017)1.5km
Germoe175 (2017)5.4km
Penzance19,872 (2017)5.9km
Uny Lelant1,056 (2017)6.8km
Hayle8,210 (2017)7.2km


A copper mine, worked from 1857 to 1862, with a total output of 10,750 tons of copper and 12 tons of tin. A large dump and a filled-in shaft from this mine are located 0.5 mile E of Marazion, near the junction of A394 and B3280 roads.
Ref.: B. Atkinson: Mining Sites in Cornwall, Vol. 2, Dyllansow Truran (1994)

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


8 valid minerals.

Detailed Mineral List:

Brochantite
Formula: Cu4(SO4)(OH)6
Reference: Paul De Bondt collection
Cassiterite
Formula: SnO2
Reference: Dale Foster Collection
Cassiterite var: Wood Tin
Formula: SnO2
Reference: Dale Foster Collection
Cuprite
Formula: Cu2O
Reference: Paul De Bondt collection;
Delafossite
Formula: CuFeO2
Reference: BMS Database
Goethite
Formula: α-Fe3+O(OH)
Reference: Paul De Bondt collection;
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Paul De Bondt collection;
Quartz
Formula: SiO2
Reference: Paul De Bondt collection;
Siderite
Formula: FeCO3
Reference: BMS Database
'Tungstic Ochre'
Reference: [Golley & Williams, 1995, 63 - "Cornish Mineral Reference Manual"]

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Cassiterite4.DB.05SnO2
var: Wood Tin4.DB.05SnO2
Cuprite4.AA.10Cu2O
Delafossite4.AB.15CuFeO2
Goethite4.00.α-Fe3+O(OH)
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Malachite5.BA.10Cu2(CO3)(OH)2
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Brochantite7.BB.25Cu4(SO4)(OH)6
Unclassified Minerals, Rocks, etc.
'Tungstic Ochre'-

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X
Cuprite4.1.1.1Cu2O
AX2
Cassiterite4.4.1.5SnO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
ABX2
Delafossite7.1.1.1CuFeO2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Siderite14.1.1.3FeCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
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 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
'Tungstic Ochre'-

List of minerals for each chemical element

HHydrogen
H MalachiteCu2(CO3)(OH)2
H Goethiteα-Fe3+O(OH)
H BrochantiteCu4(SO4)(OH)6
CCarbon
C SideriteFeCO3
C MalachiteCu2(CO3)(OH)2
OOxygen
O DelafossiteCuFeO2
O SideriteFeCO3
O CassiteriteSnO2
O Cassiterite (var: Wood Tin)SnO2
O MalachiteCu2(CO3)(OH)2
O Goethiteα-Fe3+O(OH)
O CupriteCu2O
O QuartzSiO2
O BrochantiteCu4(SO4)(OH)6
SiSilicon
Si QuartzSiO2
SSulfur
S BrochantiteCu4(SO4)(OH)6
FeIron
Fe DelafossiteCuFeO2
Fe SideriteFeCO3
Fe Goethiteα-Fe3+O(OH)
CuCopper
Cu DelafossiteCuFeO2
Cu MalachiteCu2(CO3)(OH)2
Cu CupriteCu2O
Cu BrochantiteCu4(SO4)(OH)6
SnTin
Sn CassiteriteSnO2
Sn Cassiterite (var: Wood Tin)SnO2

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

References

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