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Tin mining knowledge spread to other European tin mining districts from the Ore Mountains and evidence of tin mining begins to appear in Brittany, Devon and Cornwall, and in the Iberian Peninsula around 2000 BC. [2] These deposits saw greater exploitation when they fell under Roman control between the third century BC and the first century AD. [4]
Pliny mentions that in 80 BC, a senatorial decree halted all mining on the Italian Peninsula, stopping any tin mining activity in Tuscany and increasing Roman dependence on tin from Brittany, Iberia, and Cornwall. After the Roman conquest of Gaul, Brittany's tin deposits saw intensified exploitation after the first century BC. [25]
Tin mining in Britain took place from prehistoric times, [1] during Bronze Age Britain, until the 20th century. Mention of tin mining in Britain was made by many Classical writers. Tin is necessary to smelt bronze , an alloy that played a vital cultural role during the Bronze Age .
Mining in Cornwall and Devon, in the southwest of Britain, is thought to have begun in the early-middle Bronze Age with the exploitation of cassiterite. [1] Tin, and later copper, were the most commonly extracted metals. Some tin mining continued long after the mining of other metals had become unprofitable, but ended in the late 20th century.
The wheelpit at Huntingdon mine. The tin mining industry on Dartmoor, Devon, England, is thought to have originated in pre-Roman times, [1] and continued right through to the 20th century, when the last commercially worked mine (Golden Dagger Mine) closed in November 1930 (though it saw work during the Second World War), and "composite mines" such as those producing tin as a by- product, such ...
Tin is often recovered from granules washed downstream in the past and deposited in valleys or the sea. The most economical ways of mining tin are by dredging, hydraulicking, or open pits. Most of the world's tin is produced from placer deposits, which can contain as little as 0.015% tin. [58]
Tin mining knowledge spread to other European tin mining districts from Erzgebirge and evidence of tin mining begins to appear in Brittany, Devon and Cornwall, and in the Iberian Peninsula around 2000 BC. [11] These deposits saw greater exploitation when they fell under Roman control between the third century BC and the first century AD. [12]
The alluvial deposits generally occur at relatively shallow depths and it is possible, by test boring, to ascertain fairly accurately the extent of the area to be mined and the amount of tin ore likely to be recovered. Where sufficient water is available the most economical method of mining the deposit is by dredging. [1]