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Wheal Harmony (Wheal Garden), Treleigh Wood Mine, Redruth, Cornwall, England, UKi
Regional Level Types
Wheal Harmony (Wheal Garden)Mine
Treleigh Wood MineMine
RedruthCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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Key
Latitude & Longitude (WGS84):
50° 14' 48'' North , 5° 13' 45'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SW698436
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
North Country773 (2017)0.7km
Redruth42,690 (2017)1.5km
St. Day700 (2011)3.2km
Mount Hawke1,511 (2017)4.2km
Portreath963 (2017)4.5km


According to A.K. Hamilton Jenkin, Wheal Garden was a consolidation in 1816-1817 of Treleigh Wood Mine with a number of small mines in the area which are now largely obscured, including Wheal Diamond (old workings on Diamond lodes south of Mitchell's Shaft of Wheal Peevor), Wheal Butler copper mine, and Wheal Gilbert. These mines were using water-driven engines, and none of the workings did extend to any greater depth. It was proposed to install a steam engine, and bring in a deep adit to explore about twenty lodes as yet untried. When the lease was granted, the name of the mine was changed to Wheal Harmony.

According to Dines, who makes no mention of older mines, Wheal Harmony worked the eastern extension of the Wheal Tolgus main lode. Although no mine plans exist, there is evidence that the workings followed this lode for about 600 yards to the east.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


3 valid minerals.

Detailed Mineral List:

Cassiterite
Formula: SnO2
Reference: Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 1, pp. 370.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Collins, J.H. (1892): A Handbook to the Mineralogy of Cornwall and Devon, 2nd ed., D. Bradford Barton Ltd. (Truro, UK), 108 pp.; Hill, J.B., MacAlister, D.A., and Flett, J.S. (1906): The geology of Falmouth and Truro and of the mining district of Camborne and Redruth. HSMO Publications (London), 335 pp.
Pyrite
Formula: FeS2
Reference: No reference listed
'Tourmaline'
Formula: A(D3)G6(Si6O18)(BO3)3X3Z
Reference: Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
'Tourmaline var: Rubellite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
'Wolframite'
Formula: (Fe2+)WO4 to (Mn2+)WO4
Reference: Hall, T.M. (1868): The Mineralogist's Directory. Edward Stanford (London), 168 pp.; Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), 108 pp.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Cassiterite4.DB.05SnO2
Magnetite4.BB.05Fe2+Fe3+2O4
Unclassified Minerals, Rocks, etc.
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z
'var: Rubellite'-A(D3)G6(T6O18)(BO3)3X3Z
'Wolframite'-(Fe2+)WO4to (Mn2+)WO4

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
AX2
Cassiterite4.4.1.5SnO2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Unclassified Minerals, Mixtures, etc.
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z
'var: Rubellite'-A(D3)G6(T6O18)(BO3)3X3Z
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals for each chemical element

BBoron
B Tourmaline (var: Rubellite)A(D3)G6(T6O18)(BO3)3X3Z
B TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
OOxygen
O Tourmaline (var: Rubellite)A(D3)G6(T6O18)(BO3)3X3Z
O CassiteriteSnO2
O MagnetiteFe2+Fe23+O4
O Wolframite(Fe2+)WO4 to (Mn2+)WO4
O TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
SiSilicon
Si TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
SSulfur
S PyriteFeS2
MnManganese
Mn Wolframite(Fe2+)WO4 to (Mn2+)WO4
FeIron
Fe PyriteFeS2
Fe MagnetiteFe2+Fe23+O4
Fe Wolframite(Fe2+)WO4 to (Mn2+)WO4
SnTin
Sn CassiteriteSnO2
WTungsten
W Wolframite(Fe2+)WO4 to (Mn2+)WO4

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)
Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 1, pp. 369-370.

Other Regions, Features and Areas containing this locality

British IslesGroup of Islands
Eurasian PlateTectonic Plate
EuropeContinent
UK

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