ChalcedonyTrevascus Mine, Carnhell Green, Gwinear, St Erth - Gwithian Area, Cornwall, England, UK
Photo: Ian Jones UK Grid Reference: SW611380
Latitude: 50°11'35"N
Longitude: 5°20'51"W
Worked from 1837 to 1842, producing 1,190 tons of 10% copper ore and 110 tons of black tin. A shaft and some overgrown burrows are located north of Trenoweth Farm, about 0.5 mile NW of Carnhell Green.
References
- Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 1, p. 151.
- Atkinson, B. (1994): Mining Sites in Cornwall, Vol. 2, Dyllansow Truran (Truro), 51 pp.
Mineral List
20 entries listed. 15 valid minerals.
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