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Pentireglaze Mine (Pentire Glaze Mine), Polzeath, St Minver, Cornwall, England, UKi
Regional Level Types
Pentireglaze Mine (Pentire Glaze Mine)Mine
Polzeath- not defined -
St Minver- not defined -
CornwallCounty
EnglandConstituent Country
UKCountry

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Latitude & Longitude (WGS84): 50° 34' 59'' North , 4° 54' 34'' West
Latitude & Longitude (decimal): 50.58306,-4.90944
GeoHash:G#: gbuxb2359
UK National Grid Reference:SW940799
Locality type:Mine
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Polzeath1,449 (2011)1.6km
Trebetherick499 (2017)2.3km
Rock1,203 (2017)3.7km
Padstow2,296 (2017)5.3km
Wadebridge6,599 (2017)8.9km


A lead and silver mine which worked on two lodes, a NS-trending lode (probably the northern extension of the lode worked by Polzeath Consols) and a NE-trending lode which crops out in Pengirt Cove, northwest of Pentireglaze farm. The NS-trending lode was worked from two shafts on the south side of the small valley that joins the beach at Pentireglaze Haven. An overgrown dump of the more northerly shaft remains at the northeastern edge of New Polzeath village. The NE-trending lode was opened up from Engine Shaft, immediately west of Pentireglaze farm, and from an adit at the base of the cliff. The grid reference marks the large dump at Engine Shaft. The engine house ruin that stood there was demolished around 1957.

Between 1850 and 1875, the mine produced 955 tons of 67% lead ore and 19,065 ounces of silver.

Regions containing this locality

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

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


14 valid minerals.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Cerussite5.AB.15PbCO3
Siderite ?5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Linarite7.BC.65PbCu(SO4)(OH)2
Group 8 - Phosphates, Arsenates and Vanadates
Erythrite8.CE.40Co3(AsO4)2 · 8H2O
Lavendulan8.DG.05NaCaCu5(AsO4)4Cl · 5H2O
Libethenite8.BB.30Cu2(PO4)(OH)
Mimetite8.BN.05Pb5(AsO4)3Cl
Olivenite8.BB.30Cu2(AsO4)(OH)
Pyromorphite8.BN.05Pb5(PO4)3Cl

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Sulphur1.3.5.1S8
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Cerussite14.1.3.4PbCO3
Siderite ?14.1.1.3FeCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
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
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A2(XO4)Zq
Libethenite41.6.6.2Cu2(PO4)(OH)
Olivenite41.6.6.1Cu2(AsO4)(OH)
A5(XO4)3Zq
Mimetite41.8.4.2Pb5(AsO4)3Cl
Pyromorphite41.8.4.1Pb5(PO4)3Cl
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)7(XO4)4Zq·xH2O
Lavendulan42.9.4.2NaCaCu5(AsO4)4Cl · 5H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2

List of minerals for each chemical element

HHydrogen
H ErythriteCo3(AsO4)2 · 8H2O
H LavendulanNaCaCu5(AsO4)4Cl · 5H2O
H LibetheniteCu2(PO4)(OH)
H LinaritePbCu(SO4)(OH)2
H OliveniteCu2(AsO4)(OH)
CCarbon
C CerussitePbCO3
C SideriteFeCO3
OOxygen
O AnglesitePbSO4
O CerussitePbCO3
O ErythriteCo3(AsO4)2 · 8H2O
O LavendulanNaCaCu5(AsO4)4Cl · 5H2O
O LibetheniteCu2(PO4)(OH)
O LinaritePbCu(SO4)(OH)2
O MimetitePb5(AsO4)3Cl
O OliveniteCu2(AsO4)(OH)
O PyromorphitePb5(PO4)3Cl
O QuartzSiO2
O SideriteFeCO3
NaSodium
Na LavendulanNaCaCu5(AsO4)4Cl · 5H2O
SiSilicon
Si QuartzSiO2
PPhosphorus
P LibetheniteCu2(PO4)(OH)
P PyromorphitePb5(PO4)3Cl
SSulfur
S AnglesitePbSO4
S ChalcopyriteCuFeS2
S GalenaPbS
S LinaritePbCu(SO4)(OH)2
S SulphurS8
ClChlorine
Cl LavendulanNaCaCu5(AsO4)4Cl · 5H2O
Cl MimetitePb5(AsO4)3Cl
Cl PyromorphitePb5(PO4)3Cl
CaCalcium
Ca LavendulanNaCaCu5(AsO4)4Cl · 5H2O
FeIron
Fe ChalcopyriteCuFeS2
Fe SideriteFeCO3
CoCobalt
Co ErythriteCo3(AsO4)2 · 8H2O
CuCopper
Cu ChalcopyriteCuFeS2
Cu LavendulanNaCaCu5(AsO4)4Cl · 5H2O
Cu LibetheniteCu2(PO4)(OH)
Cu LinaritePbCu(SO4)(OH)2
Cu OliveniteCu2(AsO4)(OH)
AsArsenic
As ErythriteCo3(AsO4)2 · 8H2O
As LavendulanNaCaCu5(AsO4)4Cl · 5H2O
As MimetitePb5(AsO4)3Cl
As OliveniteCu2(AsO4)(OH)
PbLead
Pb AnglesitePbSO4
Pb CerussitePbCO3
Pb GalenaPbS
Pb LinaritePbCu(SO4)(OH)2
Pb MimetitePb5(AsO4)3Cl
Pb PyromorphitePb5(PO4)3Cl

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: 2032653
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: 3145545
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)
Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, p. 573 (also see addenda in the 1994 reprint).
Embrey & Symes (1987): Minerals of Cornwall and Devon, p. 93.
Rocks & Minerals 16, 129.


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