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Bounds Cliff, St Endellion, Cornwall, England, UKi
Regional Level Types
Bounds CliffCliff
St EndellionCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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Key
Latitude & Longitude (WGS84):
50° 35' 50'' North , 4° 47' 42'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SX022813
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Delabole1,647 (2017)5.3km
Tintagel1,028 (2017)8.0km
Camelford2,335 (2017)8.6km
Polzeath1,449 (2011)9.2km
Wadebridge6,599 (2017)9.3km


Outcrops of vein-type Sb-As-(Au) and Pb-Zn-(Ag) mineralisations.

Select Mineral List Type

Standard Detailed Gallery Strunz Dana Chemical Elements

Mineral List


18 valid minerals. 1 (TL) - type locality of valid minerals.

Detailed Mineral List:

Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Reference: Clayton, R.E., and Spiro, B: (2000): Mineralium Deposita 35, 315-331.
Arsenopyrite
Formula: FeAsS
Reference: Clayton, R.E., and Spiro, B: (2000): Mineralium Deposita 35, 315-331.
Barstowite (TL)
Formula: Pb4Cl6(CO3) · H2O
Type Locality:
Reference: Keller, P. and Lloyd, D. (1991) Barstowite, 3PbCb.PbC03.H20, a new mineral from Bounds Cliff, St. Endellion, Cornwall. Mineralogical Magazine: 55: 121-125.; Kutzke, H., Klapper, H., Merlino, S., Pasero, M., Perchiazzi, N., and Eggert, G. (2000) The crystal structure of barstowite, Pb4Cl6(CO3)•H2O, determined on crystals from Etruscan slags and from a Late-Hellenistic shipwreck. Zeits. Kristallogr., 215, 110-113.
Bournonite
Formula: PbCuSbS3
Reference: Clayton, R.E., and Spiro, B: (2000): Mineralium Deposita 35, 315-331.
Cerussite
Formula: PbCO3
Reference: Keller, P., & Lloyd, D. (1991) Barstowite, 3PbCb.PbC03.H20, a new mineral from Bounds Cliff, St Endellion, Cornwall. Mineralogical Magazine 55:121-125
Chalcopyrite
Formula: CuFeS2
Reference: Clayton, R.E., and Spiro, B: (2000): Mineralium Deposita 35, 315-331.; Keller, P., & Lloyd, D. (1991) Barstowite, 3PbCb.PbC03.H20, a new mineral from Bounds Cliff, St Endellion, Cornwall. Mineralogical Magazine 55:121-125
'Chlorite Group'
Reference: Clayton, R.E., and Spiro, B: (2000): Mineralium Deposita 35, 315-331.
Dolomite
Formula: CaMg(CO3)2
Reference: Keller, P., & Lloyd, D. (1991) Barstowite, 3PbCb.PbC03.H20, a new mineral from Bounds Cliff, St Endellion, Cornwall. Mineralogical Magazine 55:121-125
Galena
Formula: PbS
Reference: Clayton, R.E., and Spiro, B: (2000): Mineralium Deposita 35, 315-331.; Keller, P., & Lloyd, D. (1991) Barstowite, 3PbCb.PbC03.H20, a new mineral from Bounds Cliff, St Endellion, Cornwall. Mineralogical Magazine 55:121-125
Gold
Formula: Au
Habit: Microscopic grains
Description: Occurs as inclusions in sulphides and sulphosalts, or as free microparticles in zones of sulphosalt alteration.
Reference: Clayton, R.E., and Spiro, B: (2000): Mineralium Deposita 35, 315-331.
Jamesonite
Formula: Pb4FeSb6S14
Reference: Clayton, R.E., and Spiro, B: (2000): Mineralium Deposita 35, 315-331.; Keller, P., & Lloyd, D. (1991) Barstowite, 3PbCb.PbC03.H20, a new mineral from Bounds Cliff, St Endellion, Cornwall. Mineralogical Magazine 55:121-125
Phosgenite
Formula: Pb2CO3Cl2
Reference: [Golley & Williams, 1995, 47 - "Cornish Mineral Reference Manual"]; Keller, P., & Lloyd, D. (1991) Barstowite, 3PbCb.PbC03.H20, a new mineral from Bounds Cliff, St Endellion, Cornwall. Mineralogical Magazine 55:121-125
Plagionite
Formula: Pb5Sb8S17
Reference: [Golley & Williams, 1995, 48 - "Cornish Mineral Reference Manual"]
Pyrite
Formula: FeS2
Reference: Clayton, R.E., and Spiro, B: (2000): Mineralium Deposita 35, 315-331.; Keller, P., & Lloyd, D. (1991) Barstowite, 3PbCb.PbC03.H20, a new mineral from Bounds Cliff, St Endellion, Cornwall. Mineralogical Magazine 55:121-125
Quartz
Formula: SiO2
Reference: Clayton, R.E., and Spiro, B: (2000): Mineralium Deposita 35, 315-331.; Keller, P., & Lloyd, D. (1991) Barstowite, 3PbCb.PbC03.H20, a new mineral from Bounds Cliff, St Endellion, Cornwall. Mineralogical Magazine 55:121-125
Senarmontite
Formula: Sb2O3
Reference: Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
Siderite
Formula: FeCO3
Reference: Clayton, R.E., and Spiro, B: (2000): Mineralium Deposita 35, 315-331.
Silver
Formula: Ag
Sphalerite
Formula: ZnS
Reference: Clayton, R.E., and Spiro, B: (2000): Mineralium Deposita 35, 315-331.; Keller, P., & Lloyd, D. (1991) Barstowite, 3PbCb.PbC03.H20, a new mineral from Bounds Cliff, St Endellion, Cornwall. Mineralogical Magazine 55:121-125
'Tetrahedrite'
Formula: Cu6(Cu4X2)Sb4S13
Reference: Clayton, R.E., and Spiro, B: (2000): Mineralium Deposita 35, 315-331.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Bournonite2.GA.50PbCuSbS3
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Jamesonite2.HB.15Pb4FeSb6S14
Plagionite2.HC.10bPb5Sb8S17
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
'Tetrahedrite'2.GB.05Cu6(Cu4X2)Sb4S13
Group 3 - Halides
Barstowite (TL)3.DC.95Pb4Cl6(CO3) · H2O
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Senarmontite4.CB.50Sb2O3
Group 5 - Nitrates and Carbonates
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Cerussite5.AB.15PbCO3
Dolomite5.AB.10CaMg(CO3)2
Phosgenite5.BE.20Pb2CO3Cl2
Siderite5.AB.05FeCO3
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Silver1.1.1.2Ag
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 = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
3 <ø < 4
'Tetrahedrite'3.3.6.1Cu6(Cu4X2)Sb4S13
ø = 3
Bournonite3.4.3.2PbCuSbS3
2 < ø < 2.49
Jamesonite3.6.7.1Pb4FeSb6S14
Plagionite3.6.20.2Pb5Sb8S17
Group 4 - SIMPLE OXIDES
A2X3
Senarmontite4.3.9.2Sb2O3
Group 12 - COMPOUND HALIDES
Miscellaneous
Barstowite (TL)12.1.7.1Pb4Cl6(CO3) · H2O
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
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
Phosgenite16a.3.4.1Pb2CO3Cl2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-

List of minerals for each chemical element

HHydrogen
H BarstowitePb4Cl6(CO3) · H2O
CCarbon
C BarstowitePb4Cl6(CO3) · H2O
C CerussitePbCO3
C DolomiteCaMg(CO3)2
C PhosgenitePb2CO3Cl2
C SideriteFeCO3
C AnkeriteCa(Fe2+,Mg)(CO3)2
OOxygen
O BarstowitePb4Cl6(CO3) · H2O
O CerussitePbCO3
O DolomiteCaMg(CO3)2
O PhosgenitePb2CO3Cl2
O QuartzSiO2
O SenarmontiteSb2O3
O SideriteFeCO3
O AnkeriteCa(Fe2+,Mg)(CO3)2
MgMagnesium
Mg DolomiteCaMg(CO3)2
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
SiSilicon
Si QuartzSiO2
SSulfur
S ChalcopyriteCuFeS2
S GalenaPbS
S PlagionitePb5Sb8S17
S PyriteFeS2
S SphaleriteZnS
S JamesonitePb4FeSb6S14
S ArsenopyriteFeAsS
S TetrahedriteCu6(Cu4X2)Sb4S13
S BournonitePbCuSbS3
ClChlorine
Cl BarstowitePb4Cl6(CO3) · H2O
Cl PhosgenitePb2CO3Cl2
CaCalcium
Ca DolomiteCaMg(CO3)2
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
FeIron
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
Fe JamesonitePb4FeSb6S14
Fe SideriteFeCO3
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe ArsenopyriteFeAsS
CuCopper
Cu ChalcopyriteCuFeS2
Cu TetrahedriteCu6(Cu4X2)Sb4S13
Cu BournonitePbCuSbS3
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
AgSilver
Ag SilverAg
SbAntimony
Sb PlagionitePb5Sb8S17
Sb SenarmontiteSb2O3
Sb JamesonitePb4FeSb6S14
Sb TetrahedriteCu6(Cu4X2)Sb4S13
Sb BournonitePbCuSbS3
AuGold
Au GoldAu
PbLead
Pb BarstowitePb4Cl6(CO3) · H2O
Pb CerussitePbCO3
Pb GalenaPbS
Pb PhosgenitePb2CO3Cl2
Pb PlagionitePb5Sb8S17
Pb JamesonitePb4FeSb6S14
Pb BournonitePbCuSbS3

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

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Keller, P. and Lloyd, D. (1991) Barstowite, 3PbCb.PbC03.H20, a new mineral from Bounds Cliff, St. Endellion, Cornwall. Mineralogical Magazine: 55: 121-125.
Clayton, R.E. and 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: 315-331.
Kutzke, H., Klapper, H., Merlino, S., Pasero, M., Perchiazzi, N., and Eggert, G. (2000) The crystal structure of barstowite, Pb4Cl6(CO3)•H2O, determined on crystals from Etruscan slags and from a Late-Hellenistic shipwreck. Zeits. Kristallogr., 215, 110-113.

Other Regions, Features and Areas containing this locality

British 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.
 
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