Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat Articles
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Herodsfoot Mine (North Herodsfoot Mine), Lanreath, Cornwall, England, UKi
Regional Level Types
Herodsfoot Mine (North Herodsfoot Mine)Mine
Lanreath- not defined -
CornwallCounty
EnglandConstituent Country
UKCountry

This page kindly sponsored by Malcolm Southwood
Key
Lock Map
Latitude & Longitude (WGS84): 50° 24' 42'' North , 4° 31' 0'' West
Latitude & Longitude (decimal): 50.41194,-4.51667
GeoHash:G#: gbuyc1pnf
UK National Grid Reference:SX212600
Locality type:Mine
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Dobwalls1,418 (2017)5.1km
Pelynt763 (2017)5.1km
Liskeard9,237 (2017)6.0km
Looe5,112 (2017)7.5km
Lerryn308 (2017)7.8km


Famous for superb bournonite and tetrahedrite.
Between 1850 and 1875, the mine produced exceptional "cogwheel" bournonite.
The mine was worked in the early 1700's, 1831 and from 1845-1884.

Regions containing this locality

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

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


30 valid minerals.

Detailed Mineral List:

Anglesite
Formula: PbSO4
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Aragonite
Formula: CaCO3
Baryte
Formula: BaSO4
Bournonite
Formula: PbCuSbS3
Calcite
Formula: CaCO3
Cerussite
Formula: PbCO3
Chalcopyrite
Formula: CuFeS2
Cuprite ?
Formula: Cu2O
Dolomite
Formula: CaMg(CO3)2
Erythrite ?
Formula: Co3(AsO4)2 · 8H2O
Ferberite ?
Formula: FeWO4
Fluorite ?
Formula: CaF2
Galena
Formula: PbS
Galena var: Argentiferous Galena
Formula: PbS
Gypsum
Formula: CaSO4 · 2H2O
Leadhillite
Formula: Pb4(CO3)2(SO4)(OH)2
'Limonite'
Formula: (Fe,O,OH,H2O)
Linarite
Formula: PbCu(SO4)(OH)2
Malachite
Formula: Cu2(CO3)(OH)2
Marcasite
Formula: FeS2
Molybdenite
Formula: MoS2
Pyrargyrite
Formula: Ag3SbS3
Pyrite
Formula: FeS2
Pyromorphite ?
Formula: Pb5(PO4)3Cl
Pyrostilpnite
Formula: Ag3SbS3
Quartz
Formula: SiO2
Siderite
Formula: FeCO3
Sphalerite
Formula: ZnS
Stibnite
Formula: Sb2S3
Sulphur
Formula: S8
Tetrahedrite
Formula: Cu6[Cu4(Fe,Zn)2]Sb4S13

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
Bournonite2.GA.50PbCuSbS3
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
var: Argentiferous Galena2.CD.10PbS
Marcasite2.EB.10aFeS2
Molybdenite2.EA.30MoS2
Pyrargyrite2.GA.05Ag3SbS3
Pyrite2.EB.05aFeS2
Pyrostilpnite2.GA.10Ag3SbS3
Sphalerite2.CB.05aZnS
Stibnite2.DB.05Sb2S3
Tetrahedrite2.GB.05Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 3 - Halides
Fluorite ?3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Cuprite ?4.AA.10Cu2O
Ferberite ?4.DB.30FeWO4
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Aragonite5.AB.15CaCO3
Calcite5.AB.05CaCO3
Cerussite5.AB.15PbCO3
Dolomite5.AB.10CaMg(CO3)2
Leadhillite5.BF.40Pb4(CO3)2(SO4)(OH)2
Malachite5.BA.10Cu2(CO3)(OH)2
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Baryte7.AD.35BaSO4
Gypsum7.CD.40CaSO4 · 2H2O
Linarite7.BC.65PbCu(SO4)(OH)2
Group 8 - Phosphates, Arsenates and Vanadates
Erythrite ?8.CE.40Co3(AsO4)2 · 8H2O
Pyromorphite ?8.BN.05Pb5(PO4)3Cl
Unclassified Minerals, Rocks, etc.
'Limonite'-(Fe,O,OH,H2O)

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
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 2:3
Stibnite2.11.2.1Sb2S3
AmBnXp, with (m+n):p = 1:2
Marcasite2.12.2.1FeS2
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
3 <ø < 4
Tetrahedrite3.3.6.1Cu6[Cu4(Fe,Zn)2]Sb4S13
ø = 3
Bournonite3.4.3.2PbCuSbS3
Pyrargyrite3.4.1.2Ag3SbS3
Pyrostilpnite3.4.2.2Ag3SbS3
Group 4 - SIMPLE OXIDES
A2X
Cuprite ?4.1.1.1Cu2O
Group 9 - NORMAL HALIDES
AX2
Fluorite ?9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Cerussite14.1.3.4PbCO3
Siderite14.1.1.3FeCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 17 - COMPOUND CARBONATES
Miscellaneous
Leadhillite17.1.2.1Pb4(CO3)2(SO4)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
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
Erythrite ?40.3.6.3Co3(AsO4)2 · 8H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Pyromorphite ?41.8.4.1Pb5(PO4)3Cl
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Ferberite ?48.1.1.2FeWO4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Aragonite-CaCO3
Galena
var: Argentiferous Galena
-PbS
'Limonite'-(Fe,O,OH,H2O)

List of minerals for each chemical element

HHydrogen
H LeadhillitePb4(CO3)2(SO4)(OH)2
H MalachiteCu2(CO3)(OH)2
H Limonite(Fe,O,OH,H2O)
H GypsumCaSO4 · 2H2O
H LinaritePbCu(SO4)(OH)2
H ErythriteCo3(AsO4)2 · 8H2O
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C CalciteCaCO3
C AragoniteCaCO3
C LeadhillitePb4(CO3)2(SO4)(OH)2
C MalachiteCu2(CO3)(OH)2
C SideriteFeCO3
C DolomiteCaMg(CO3)2
C CerussitePbCO3
OOxygen
O AnkeriteCa(Fe2+,Mg)(CO3)2
O BaryteBaSO4
O CalciteCaCO3
O AnglesitePbSO4
O AragoniteCaCO3
O LeadhillitePb4(CO3)2(SO4)(OH)2
O MalachiteCu2(CO3)(OH)2
O QuartzSiO2
O Limonite(Fe,O,OH,H2O)
O SideriteFeCO3
O DolomiteCaMg(CO3)2
O CerussitePbCO3
O GypsumCaSO4 · 2H2O
O LinaritePbCu(SO4)(OH)2
O FerberiteFeWO4
O PyromorphitePb5(PO4)3Cl
O CupriteCu2O
O ErythriteCo3(AsO4)2 · 8H2O
FFluorine
F FluoriteCaF2
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg DolomiteCaMg(CO3)2
SiSilicon
Si QuartzSiO2
PPhosphorus
P PyromorphitePb5(PO4)3Cl
SSulfur
S BournonitePbCuSbS3
S TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
S BaryteBaSO4
S ChalcopyriteCuFeS2
S GalenaPbS
S PyrargyriteAg3SbS3
S AnglesitePbSO4
S LeadhillitePb4(CO3)2(SO4)(OH)2
S PyrostilpniteAg3SbS3
S PyriteFeS2
S Galena (var: Argentiferous Galena)PbS
S SphaleriteZnS
S GypsumCaSO4 · 2H2O
S LinaritePbCu(SO4)(OH)2
S MarcasiteFeS2
S MolybdeniteMoS2
S StibniteSb2S3
S SulphurS8
ClChlorine
Cl PyromorphitePb5(PO4)3Cl
CaCalcium
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca CalciteCaCO3
Ca AragoniteCaCO3
Ca DolomiteCaMg(CO3)2
Ca GypsumCaSO4 · 2H2O
Ca FluoriteCaF2
FeIron
Fe TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
Fe Limonite(Fe,O,OH,H2O)
Fe SideriteFeCO3
Fe MarcasiteFeS2
Fe FerberiteFeWO4
CoCobalt
Co ErythriteCo3(AsO4)2 · 8H2O
CuCopper
Cu BournonitePbCuSbS3
Cu TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Cu ChalcopyriteCuFeS2
Cu MalachiteCu2(CO3)(OH)2
Cu LinaritePbCu(SO4)(OH)2
Cu CupriteCu2O
ZnZinc
Zn TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Zn SphaleriteZnS
AsArsenic
As ErythriteCo3(AsO4)2 · 8H2O
MoMolybdenum
Mo MolybdeniteMoS2
AgSilver
Ag PyrargyriteAg3SbS3
Ag PyrostilpniteAg3SbS3
SbAntimony
Sb BournonitePbCuSbS3
Sb TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Sb PyrargyriteAg3SbS3
Sb PyrostilpniteAg3SbS3
Sb StibniteSb2S3
BaBarium
Ba BaryteBaSO4
WTungsten
W FerberiteFeWO4
PbLead
Pb BournonitePbCuSbS3
Pb GalenaPbS
Pb AnglesitePbSO4
Pb LeadhillitePb4(CO3)2(SO4)(OH)2
Pb Galena (var: Argentiferous Galena)PbS
Pb CerussitePbCO3
Pb LinaritePbCu(SO4)(OH)2
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]

Middle Devonian
382.7 - 393.3 Ma



ID: 2035687
Middle Devonian (Undifferentiated)

Age: Middle Devonian (382.7 - 393.3 Ma)

Lithology: Mudstone, siltstone and sandstone

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

Early Devonian
393.3 - 419.2 Ma



ID: 3151591
Early Devonian sandstone

Age: Early Devonian (393.3 - 419.2 Ma)

Lithology: Sandstone

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)
Henwood, W.J. (1871): Observations on Metalliferous Deposits: On the Lead Mines of Menheniot, Lanreath and Saint Pinnock. Transactions of the Royal Geological Society of Cornwall 8(1), 699-722.
Dana 7: I: 380, 409
Mineralogical Record 21: 97
Rocks & Minerals 60(1): 23.
Symes, Dr. R.F. & Harding, Dr. R.R. (1999) Eyewitness Guides, Crystal & Gem.
Starkey, R. E. (2012) The Herodsfoot Mine, Lanreath, Cornwall, England. Mineralogical Record 43:411-486.


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.
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2019, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: January 16, 2019 14:28:20 Page generated: January 16, 2019 12:25:03
Go to top of page