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⇱ Blackpool China Clay Pit, Trewoon, St Mewan, Cornwall, England, UK

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Blackpool China Clay Pit, Trewoon, St Mewan, Cornwall, England, UKi
Regional Level Types
Blackpool China Clay PitPit
TrewoonHamlet
St MewanCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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Latitude & Longitude (WGS84):
50° 20' 59'' North , 4° 50' 17'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SW981539
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Nanpean2,563 (2017)3.1km
Saint Stephen2,252 (2015)4.4km
St Austell25,447 (2017)4.6km
Saint Dennis2,206 (2016)4.9km
Bugle2,873 (2017)6.0km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
British Micromount Society, Devon and Cornwall Branch MeetingsLiskeard, Cornwall29km
Mindat Locality ID:
1183
Long-form identifier:
mindat:1:2:1183:2
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

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


4 valid minerals.

Detailed Mineral List:

ⓘ Arsenopyrite
Formula: FeAsS
ⓘ Fluorite
Formula: CaF2
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
References:
Paul De Bondt collection.Identified by Paul De Bondt: Visual Identification
ⓘ 'Tourmaline var. Achroite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Habit: Needles.
Colour: Green-brown.
Fluorescence: Not fluorescent.
Description: I obtained from Mike Merry a specimen of torbernite upon a matrix of interwoven achroite needle. The specimen was found by Marice Grigg in February 1989.
References:
Paul De Bondt collection.Identified by Paul De Bondt: Visual Identification

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘArsenopyrite2.EB.20FeAsS
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘOpal4.DA.10SiO2 · nH2O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘTorbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Unclassified
ⓘ'Tourmaline
var. Achroite'		-A(D3)G6(T6O18)(BO3)3X3Z
ⓘ''-AD3G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
Hⓘ OpalSiO2 · nH2O
Hⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
BBoron
Bⓘ Tourmaline var. AchroiteA(D3)G6(T6O18)(BO3)3X3Z
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
OOxygen
Oⓘ Tourmaline var. AchroiteA(D3)G6(T6O18)(BO3)3X3Z
Oⓘ OpalSiO2 · nH2O
Oⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
FFluorine
Fⓘ FluoriteCaF2
SiSilicon
Siⓘ OpalSiO2 · nH2O
PPhosphorus
Pⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
SSulfur
Sⓘ ArsenopyriteFeAsS
CaCalcium
Caⓘ FluoriteCaF2
FeIron
Feⓘ ArsenopyriteFeAsS
CuCopper
Cuⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
AsArsenic
Asⓘ ArsenopyriteFeAsS
UUranium
Uⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O

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
EuropeContinent
UK

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