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Trevascus Mine, Carnhell Green, Gwinear, St Erth - Gwithian Area, Cornwall, England, UK

Worked from 1837 to 1842, producing 1190 tons of copper and 110 tons of tin. A shaft and some overgrown burrows are located north of Trenoweth Farm, about 0.5 mile NW of Carnhell Green.
Ref.: B. Atkinson: Mining Sites in Cornwall, Vol. 2, Dyllansow Truran (1994)





UK OS Grid Reference: SW611380
Map Reference: 50°11'35"N , 5°20'51"W

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Mineral List:
  • Actinolite
    ☐Ca
     
    2
    (Mg,Fe
    2+
     
    )
     
    5
    (Si
     
    8
    O
     
    22
    )(OH)
     
    2
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  • Arsenopyrite
    FeAsS - (Fe
     
    0.90
    Co
     
    0.10
    )AsS
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  • 'Axinite'
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  • Beudantite
    PbFe
     
    3
    [(OH)
     
    6
    |SO
     
    4
    |AsO
     
    4
    ]
    Reference: [No reference listed]
  • 'Bitumen'
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  • 'Chalcedony'
    Reference: [Embrey & Symes, 1987, 97 - "Minerals of Cornwall and Devon"]
    Site Photo
    Trevascus Mine, Carnhell Green, Gwinear, St Erth - Gwithian Area, Cornwall, England, UK
    © Ian Jones
  • Chalcopyrite
    CuFeS
     
    2
    Reference: [P Haas collection]
    Site Photo
    Trevascus Mine, Carnhell Green, Gwinear, St Erth - Gwithian Area, Cornwall, England, UK
    © Peter Haas
  • Dolomite
    CaMg(CO
     
    3
    )
     
    2
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  • Fluorite
    CaF
     
    2
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  • Galena
    PbS
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  • Siderite
    FeCO
     
    3
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  • Sphalerite
    (Zn,Fe
    2+
     
    )S
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  • Tennantite
    (Cu,Ag,Fe,Zn)
     
    12
    As
     
    4
    S
     
    13
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]


    13 entries listed. 10 valid minerals.

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