Hot tin mining
Q: In 1889, it was announced that the "only known continuous lode [of uranium ore] in the world" had been found at the Union Mine in Grampound Road, Cornwall. Does anybody know what happened to this deposit? There were plans to use the uranium to replace gold in jewellery. Was this ever done? If so, it would add a certain
A: Union mine is better known as South Terras Mine and is between the villages of St. Stephen and Grampound Road. The mine was originally worked for iron, and the uranium lode was discovered in 1873. The bulk of the ore, mainly pitchblende, was worked out when the mine closed in 1900.
The mine was reopened several times and ore recovered from the dumps before finally closing in 1929. A total of 736 tons of ore was produced, including 286 tons ...
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