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Porthoustock, St Keverne, Cornwall, England, UKi
Regional Level Types
PorthoustockTown
St KeverneCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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PhotosMapsSearch
00489830017271997725862.jpg
Pectolite, etc.

West of England Quarry, Porthoustock, St Keverne, Cornwall, England, UK
03729670017372060871330.jpg
Quartz

Porthkerris Quarry, Porthoustock, St Keverne, Cornwall, England, UK
00489830017271997725862.jpg
Pectolite, etc.

West of England Quarry, Porthoustock, St Keverne, Cornwall, England, UK
06637850017371326903357.jpg
Quartz

Porthkerris Quarry, Porthoustock, St Keverne, Cornwall, England, UK
00489830017271997725862.jpg
Pectolite, etc.

West of England Quarry, Porthoustock, St Keverne, Cornwall, England, UK
03729670017372060871330.jpg
Quartz

Porthkerris Quarry, Porthoustock, St Keverne, Cornwall, England, UK
Latitude & Longitude (WGS84):
50° 3' 21'' North , 5° 4' 0'' West
Latitude & Longitude (decimal):
50.05603,-5.06689
GeoHash:
G#: gbuku8qmk
GRN:
N34W03
UK National Grid Reference:
SW805219
Type:
Town
Köppen climate type:
Cfb : Temperate oceanic climate
Mindat Locality ID:
37281
Long-form identifier:
mindat:1:2:37281:2
GUID (UUID V4):
0


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

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

7 valid minerals.

Detailed Mineral List:

ⓘ Analcime
Formula: Na(AlSi2O6) · H2O
ⓘ Calcite
Formula: CaCO3
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ Pectolite
Formula: NaCa2Si3O8(OH)
ⓘ Prehnite
Formula: Ca2Al2Si3O10(OH)2
ⓘ Quartz
Formula: SiO2
References:
John Burrows CollectionIdentification: Visual Identification, Dealer/Collection Label
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ Talc
Formula: Mg3Si4O10(OH)2
ⓘ Talc var. Steatite
Formula: Mg3(Si4O10)(OH)2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘPectolite9.DG.05NaCa2Si3O8(OH)
ⓘPrehnite9.DP.20Ca2Al2Si3O10(OH)2
ⓘTalc
var. Steatite		9.EC.05Mg3(Si4O10)(OH)2
ⓘ9.EC.05Mg3Si4O10(OH)2
ⓘAnalcime9.GB.05Na(AlSi2O6) · H2O
Unclassified
ⓘ'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
Hⓘ AnalcimeNa(AlSi2O6) · H2O
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ PectoliteNaCa2Si3O8(OH)
Hⓘ PrehniteCa2Al2Si3O10(OH)2
Hⓘ Talc var. SteatiteMg3(Si4O10)(OH)2
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ AnalcimeNa(AlSi2O6) · H2O
Oⓘ CalciteCaCO3
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ PectoliteNaCa2Si3O8(OH)
Oⓘ PrehniteCa2Al2Si3O10(OH)2
Oⓘ QuartzSiO2
Oⓘ Talc var. SteatiteMg3(Si4O10)(OH)2
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
FFluorine
Fⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
NaSodium
Naⓘ AnalcimeNa(AlSi2O6) · H2O
Naⓘ PectoliteNaCa2Si3O8(OH)
MgMagnesium
Mgⓘ Talc var. SteatiteMg3(Si4O10)(OH)2
Mgⓘ TalcMg3Si4O10(OH)2
AlAluminium
Alⓘ AnalcimeNa(AlSi2O6) · H2O
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ PrehniteCa2Al2Si3O10(OH)2
Alⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SiSilicon
Siⓘ AnalcimeNa(AlSi2O6) · H2O
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ PectoliteNaCa2Si3O8(OH)
Siⓘ PrehniteCa2Al2Si3O10(OH)2
Siⓘ QuartzSiO2
Siⓘ Talc var. SteatiteMg3(Si4O10)(OH)2
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
ClChlorine
Clⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ PectoliteNaCa2Si3O8(OH)
Caⓘ PrehniteCa2Al2Si3O10(OH)2
Caⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
FeIron
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)

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

Localities in this Region

UK

Other Regions, Features and Areas containing this locality

British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
UK

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