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Tregardock Mine (Tregarget Mine), Treligga, St Teath, Cornwall, England, UKi
Regional Level Types
Tregardock Mine (Tregarget Mine)Mine
TreliggaHamlet
St TeathCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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PhotosMapsSearch
07696470017271997165943.jpg
Phosgenite

Tregardock Mine, Treligga, St Teath, Cornwall, England, UK
07696470017271997165943.jpg
Phosgenite

Tregardock Mine, Treligga, St Teath, Cornwall, England, UK
07696470017271997165943.jpg
Phosgenite

Tregardock Mine, Treligga, St Teath, Cornwall, England, UK
Latitude & Longitude (WGS84):
50° 37' 23'' North , 4° 46' 11'' West
Latitude & Longitude (decimal):
50.62306,-4.76972
GeoHash:
G#: gbuxgrwu9
GRN:
N34W03
UK National Grid Reference:
SX041841
Type:
Mine
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Delabole1,647 (2017)2.7km
Tintagel1,028 (2017)4.7km
Camelford2,335 (2017)6.4km
Boscastle641 (2017)8.7km
Polzeath1,449 (2011)12.0km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
British Micromount Society, Devon and Cornwall Branch MeetingsLiskeard, Cornwall28km
Mindat Locality ID:
1097
Long-form identifier:
mindat:1:2:1097:2
GUID (UUID V4):
0


This small lead mine raised argentiferous galena from a sporadically mineralized fault which crops out in the cliffs at Tregardock beach. The shaft, of which a grassed-over burrow remains in a field just west of Tregardock farm, was sunk 30 fathoms below adit level by an engine erected at the bottom of the cliff. The portal of the adit was located at the foot of the cliff at Minehousedoor Cove, just west of Tregardock farm. In 1957, it was buried by a rockslide.

The workings produced 60 tons of 50% lead ore and 690 oz of silver between 1853 and 1860. According to A.K. Hamilton Jenkin, the name of the mine was sometimes spelled Tregarget.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


11 valid minerals.

Detailed Mineral List:

ⓘ Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
ⓘ Arsenopyrite
Formula: FeAsS
ⓘ Bournonite
Formula: PbCuSbS3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ Galena
Formula: PbS
ⓘ Galena var. Silver-bearing Galena
Formula: PbS with Ag
ⓘ Marcasite
Formula: FeS2
ⓘ Phosgenite
Formula: Pb2CO3Cl2
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Siderite
Formula: FeCO3
ⓘ Sphalerite
Formula: ZnS
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘvar. Silver-bearing Galena2.CD.10PbS with Ag
ⓘPyrite2.EB.05aFeS2
ⓘMarcasite2.EB.10aFeS2
ⓘArsenopyrite2.EB.20FeAsS
ⓘBournonite2.GA.50PbCuSbS3
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘSiderite5.AB.05FeCO3
ⓘAnkerite5.AB.10Ca(Fe2+,Mg)(CO3)2
ⓘPhosgenite5.BE.20Pb2CO3Cl2
Unclassified
ⓘ'Chlorite Group'-

List of minerals for each chemical element

CCarbon
Cⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Cⓘ PhosgenitePb2CO3Cl2
Cⓘ SideriteFeCO3
OOxygen
Oⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Oⓘ PhosgenitePb2CO3Cl2
Oⓘ QuartzSiO2
Oⓘ SideriteFeCO3
MgMagnesium
Mgⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
SiSilicon
Siⓘ QuartzSiO2
SSulfur
Sⓘ ArsenopyriteFeAsS
Sⓘ BournonitePbCuSbS3
Sⓘ ChalcopyriteCuFeS2
Sⓘ GalenaPbS
Sⓘ MarcasiteFeS2
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Sⓘ Galena var. Silver-bearing GalenaPbS with Ag
ClChlorine
Clⓘ PhosgenitePb2CO3Cl2
CaCalcium
Caⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
FeIron
Feⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Feⓘ ArsenopyriteFeAsS
Feⓘ ChalcopyriteCuFeS2
Feⓘ MarcasiteFeS2
Feⓘ PyriteFeS2
Feⓘ SideriteFeCO3
CuCopper
Cuⓘ BournonitePbCuSbS3
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ ArsenopyriteFeAsS
AgSilver
Agⓘ Galena var. Silver-bearing GalenaPbS with Ag
SbAntimony
Sbⓘ BournonitePbCuSbS3
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
PbLead
Pbⓘ BournonitePbCuSbS3
Pbⓘ GalenaPbS
Pbⓘ PhosgenitePb2CO3Cl2
Pbⓘ Galena var. Silver-bearing GalenaPbS with Ag

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

Other Regions, Features and Areas containing this locality

British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
UK

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Dines, H. G. (1956) Memoirs of the Geological Survey (1st ed.) Vol. 2 - The Metalliferous Mining Region of South-West England. Geological Survey of Great Britain, London.
Clayton, R. E., Spiro, B. (2000) Sulphur, carbon and oxygen isotope studies of early Variscan mineralisation and Pb-Sb vein deposits in the Cornubian orefield: implications for the scale of fluid movements during Variscan deformation. Mineralium Deposita, 35 (4) 315-331 doi:10.1007/s001260050244
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