Treworlis Mine, Cornwall
Wendron: grid reference SW672291
Notable minerals: Cassiterite, Chalcocite, Chalcopyrite, Magnetite, Mispickel & Pyrites.
Treworlis mine sett lies about a mile northeast of Helston near the site of Trenethick Manor. It worked a solitary lode from New Engine Shaft, Old Engine Shaft and Tremenheere Shaft, producing medium grade copper ore as well as black tin. The mine commenced working in Spring 1859 after a lease was granted by the mineral lords - The Duchy of Cornwall. Production was 353 tons of tin between 1860 and 1874 as well as 704 tons of 5.25% copper ore between 1860 and 1864 and also in 1868.
Thomas Spargo writes in his 'The mines of Cornwall and Devon; Statistics and Observations' (1865) that Treworlis was '... in the parish of Wendron, about a mile east of Helston, was set to work in April, 1859. The dues, l-18th are paid to the Duke of Cornwall. There is only one lode worked on. The depth of the mine is 43 fathoms. 55 men, 4 females, and 20 boys, employed on the works (in 1861). The water is pumped by a 26-inch cylinder engine. Purser, Mr. H. Rogers, Helston; manager, Captain John Burgan, Helston; agent on the mine, Captain Bennet Dunstan. The company are now working in a spirited manner, with good prospects of success. There is some copper-ore in the lode, but tin predominates'.
For more information on production dates and so on please see Roger Burt's excellent book Cornish Mines: Metalliferous and Associated Minerals, 1845-1913 (Mineral Statistics of the United Kingdom, 1845-1913) or what is widely regarded as the mining enthusiasts bible by H G Dines - The Metalliferous Mining Region of South-West England: Vols I & II (Economic Memoirs).
There is a wealth of information on the mines and miners of Cornwall available. Why not explore Cornwall's industrial heritage through the Bookstore?
Other nearby mines and their main ores
Trevenen Mine (approx. 1.2 km; TIN)
Trumpet Consols (approx. 1.3 km; TIN)
Wheal Ann United (approx. 1.5 km; TIN)
West Wheal Lovell (approx. 1.7 km; TIN & LEAD)
Poldark (Wheal Roots) (approx. 2.7 km; TIN)
Wheal Christopher Consols (approx. 3.5 km; TIN)
Wheal Prospidnick (approx. 3.7 km; LEAD)
Releath (approx. 3.7 km; TIN)
Crowan and Wendron Consols (Wheal Releath) (approx. 3.7 km; TIN)
Wendron Consols (approx. 3.8 km; TIN & COPPER)