Ventonwyn Mine, Great Dowgas Mine (St Stephen Tin and Copper Mines), Downderry, St Stephen-in-Brannel, St Austell District, Cornwall, England, UK
A tin mine, which worked on the western extensions of the Great Hewas lodes. It was worked at a small scale for many years and was eventually amalgamated with Great Dowgas Mine. The grid reference marks the ruin of the engine house, which stands in the middle of a field near Ventonwyn farm.
Photo: Paul De Bondt 2013
UK Grid Reference: SW962504
Between 1889 and 1909, the mine produced 167 tons of black tin. Most of this ore was raised after 1903, when it was part of Great Dowgas Mine.
| Cassiterite|| 'Chlorite Group'|| Quartz|
3 entries listed. 2 valid minerals.
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Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, p. 545 (also see addenda in the 1994 reprint).
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Locality Updated: Channing Uranium Trench, Dickinson Co., Michigan, USAFrom Travis Olds, 12th Dec 2013 05:34:18