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Wheal Bray, Altarnun, Cornwall, England, UKi
Regional Level Types
Wheal BrayMine (Abandoned)
AltarnunCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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Key
Latitude & Longitude (WGS84):
50° 36' 43'' North , 4° 32' 50'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SX198823
Locality type:
Mine (Abandoned) - last checked 2019
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Camelford2,335 (2017)9.4km
Boscastle641 (2017)13.0km
Delabole1,647 (2017)13.1km
Launceston8,910 (2017)13.5km
Pensilva1,663 (2017)15.3km


Old copper mine.
Al-Novackeite secondary mineral is present.
Quartz pseudomorphs after baryte?

Select Mineral List Type

Standard Detailed Strunz Dana 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:

Pyrite
Formula: FeS2
Reference: Mineralogical Magazine 1965 34 : 159-176.
Quartz
Formula: SiO2
Reference: Mineralogical Magazine 1965 34 : 159-176.
Quartz var: Milky Quartz
Formula: SiO2
Reference: Mineralogical Magazine 1965 34 : 159-176.
Quartz var: Smoky Quartz
Formula: SiO2
Reference: Mineralogical Magazine 1965 34 : 159-176.
Rammelsbergite
Formula: NiAs2
Reference: Mineralogical Magazine 1965 34 : 159-176.
Uraninite
Formula: UO2
Reference: Mineralogical Magazine 1965 34 : 159-176.
Uraninite var: Pitchblende
Formula: UO2
Reference: Mineralogical Magazine 1965 34 : 159-176.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Rammelsbergite2.EB.15aNiAs2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: Milky Quartz4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Uraninite4.DL.05UO2
var: Pitchblende4.DL.05UO2

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Rammelsbergite2.12.2.12NiAs2
Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
var: Milky Quartz-SiO2
var: Smoky Quartz-SiO2
Uraninite
var: Pitchblende
-UO2

List of minerals for each chemical element

OOxygen
O UraniniteUO2
O Quartz (var: Milky Quartz)SiO2
O Quartz (var: Smoky Quartz)SiO2
O Uraninite (var: Pitchblende)UO2
O QuartzSiO2
SiSilicon
Si Quartz (var: Milky Quartz)SiO2
Si Quartz (var: Smoky Quartz)SiO2
Si QuartzSiO2
SSulfur
S PyriteFeS2
FeIron
Fe PyriteFeS2
NiNickel
Ni RammelsbergiteNiAs2
AsArsenic
As RammelsbergiteNiAs2
UUranium
U UraniniteUO2
U Uraninite (var: Pitchblende)UO2

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 IslesGroup of Islands
Eurasian PlateTectonic Plate
EuropeContinent
UK

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