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Wheal Fanny, Tregajorran, Carn Brea, Cornwall, England, UKi
Regional Level Types
Wheal FannyMine (Abandoned)
TregajorranVillage
Carn BreaCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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Latitude & Longitude (WGS84):
50° 13' 17'' North , 5° 15' 50'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SW672409
Type:
Mine (Abandoned) - last checked 2020
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Camborne22,500 (2012)2.6km
Four Lanes1,416 (2017)2.8km
Redruth42,690 (2017)3.1km
North Country773 (2017)3.7km
Portreath963 (2017)4.7km
Mindat Locality ID:
1000
Long-form identifier:
mindat:1:2:1000:2
GUID (UUID V4):
0


A small copper mine, working a NE-trending lode known as Martin's Lode which dropped into the hanging wall of Highburrow Lode of Tincroft Mine below the 120 fm level. It was developed from Roger's Shaft (called Fanny's Shaft on the Ordnance Survey map) and Fanny's Shaft (called Western Shaft on the Ordnance Survey map) which were located at a distance of about 80 yards just south of the railway line. The area is now largely obscured by building operations.

The sett was bounded to the east by Carn Brea Mine, and to the north by Tincroft Mine, with which the workings were connected underground. In 1819, Wheal Fanny broke the main beam of her pumping engine and the subsequent flooding rose to a few fathoms of the communication between the mines before the engine was repaired.

From 1815 to 1822, Wheal Fanny raised 8,450 tons of 9% copper ore. In 1818, "Wheal Fanny and Tregajorran Mine" raised 100 tons of copper ore worth £800 and tin ore worth £300 (Thomas, 1819). In 1831, after some period of inactivity, it was incorporated into Carn Brea Mine.

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


5 valid minerals.

Detailed Mineral List:

ⓘ Cassiterite
Formula: SnO2
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Chalcopyrite var. Blistered Copper
Formula: CuFeS2
ⓘ Ferberite
Formula: FeWO4
ⓘ Native Copper
Formula: Cu
ⓘ 'Wolframite Group'

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘvar. Blistered Copper2.CB.10aCuFeS2
Group 4 - Oxides and Hydroxides
ⓘCassiterite4.DB.05SnO2
ⓘFerberite4.DB.30FeWO4
ⓘ'Wolframite Group'4.DB.30 va

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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