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Seal Hole Mine, St Agnes Consols (Polberro Consols), St Agnes, Cornwall, England, UKi
Regional Level Types
Seal Hole MineMine
St Agnes Consols (Polberro Consols)Mine
St AgnesCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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Key
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Latitude & Longitude (WGS84):
50° 18' 56'' North , 5° 12' 46'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SW713512
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Saint Agnes2,820 (2014)0.7km
Mount Hawke1,511 (2017)3.7km
Perranporth3,210 (2017)5.1km
North Country773 (2017)7.5km
Chacewater1,226 (2017)7.6km


No description has been added for this locality. Can you add one?

Regions containing this locality

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

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


6 valid minerals.

Detailed Mineral List:

Cassiterite
Formula: SnO2
Reference: Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
Chalcopyrite
Formula: CuFeS2
Reference: Dale Foster Collection
Fluorite
Formula: CaF2
Reference: Dale Foster Collection
Quartz
Formula: SiO2
Reference: Dale Foster Collection
Sphalerite
Formula: ZnS
Reference: Dale Foster Collection
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: Dale Foster Collection
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Dale Foster Collection
'Wolframite'
Formula: (Fe2+)WO4 to (Mn2+)WO4
Reference: Dale Foster Collection

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Sphalerite2.CB.05aZnS
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Cassiterite4.DB.05SnO2
Quartz4.DA.05SiO2
Group 9 - Silicates
Topaz9.AF.35Al2(SiO4)(F,OH)2
Unclassified Minerals, Rocks, etc.
'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
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
Group 4 - SIMPLE OXIDES
AX2
Cassiterite4.4.1.5SnO2
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz52.3.1.1Al2(SiO4)(F,OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals for each chemical element

HHydrogen
H TopazAl2(SiO4)(F,OH)2
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
O CassiteriteSnO2
O TopazAl2(SiO4)(F,OH)2
O Wolframite(Fe2+)WO4 to (Mn2+)WO4
O QuartzSiO2
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
FFluorine
F FluoriteCaF2
F TopazAl2(SiO4)(F,OH)2
AlAluminium
Al TopazAl2(SiO4)(F,OH)2
SiSilicon
Si TopazAl2(SiO4)(F,OH)2
Si QuartzSiO2
SSulfur
S SphaleriteZnS
S ChalcopyriteCuFeS2
CaCalcium
Ca FluoriteCaF2
MnManganese
Mn Wolframite(Fe2+)WO4 to (Mn2+)WO4
FeIron
Fe Wolframite(Fe2+)WO4 to (Mn2+)WO4
Fe ChalcopyriteCuFeS2
CuCopper
Cu ChalcopyriteCuFeS2
ZnZinc
Zn SphaleriteZnS
SnTin
Sn CassiteriteSnO2
WTungsten
W Wolframite(Fe2+)WO4 to (Mn2+)WO4

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

Neogene
2.588 - 23.03 Ma



ID: 2032835
Neogene Rocks (Undifferentiated)

Age: Neogene (2.588 - 23.03 Ma)

Lithology: Gravel, sand, silt and clay

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

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]

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


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