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| Mining in Cornwall and Devon | |
|---|---|
| Name | Mining in Cornwall and Devon |
| Caption | Stannary map of Cornwall and Devon |
| Period | Bronze Age–20th century |
| Primary | Tin, copper, arsenic, silver, wolfram, lead |
| Region | Cornwall and Devon |
Mining in Cornwall and Devon
Mining in Cornwall and Devon was a historically dominant industry that shaped the development of Cornwall, Devon, South West England, and communities such as Redruth, Camborne, Penzance, St Ives, and Tavistock; it connected to international networks including the Cornish diaspora, Australian gold rushes, Chile, Mexico, United States, and South Africa and influenced figures like John Taylor (engineer), Arthur Woolf, Richard Trevithick, James Watt, and institutions such as the Royal Geological Society of Cornwall, Royal Institution of Cornwall, and Cornish Mining World Heritage Site.
The history traces from prehistoric metalworking associated with Bronze Age Britain, Iron Age Britain, and trade with Atlantic Bronze Age partners through Roman exploitation near Caradon Hill and medieval stannary administration centered on the Stannary Courts and Parliaments at Lostwithiel and Tavistock; later periods saw expansion during the Industrial Revolution driven by innovators like William Murdoch, Matthew Boulton, and James Simms, following booms tied to Copper Era, Cornish Copper, and the 19th-century tin and copper crises that prompted emigration to Potosí, Victoria (Australia), Nova Scotia, and Michigan. Nineteenth-century global connections involved mining engineers such as Jonathan Hornblower, John Taylor (mining engineer), and entrepreneurs like John Williams (Cornish engineer), while institutional responses included the formation of the Royal Cornwall Polytechnic Society and surveys by geologists including Roderick Murchison, Adam Sedgwick, and Henry De la Beche; decline accelerated after World War I and culminated in the closure of deep mines such as South Crofty and Wheal Jane in the 20th century.
Cornwall and Devon sit on parts of the Variscan orogeny and the Cornubian batholith with mineralization along lodes and greisen veins containing cassiterite, chalcopyrite, arsenopyrite, galena, and accessory wolframite and mica; notable geological formations include the Killas, granite intrusions at Bodmin Moor, Dartmoor, and the mineralized districts of West Devon and the Lizard, studied by geologists like John Allen (geologist) and William Pengelly. Mineral resources exploited included tin, copper, arsenic, silver, lead, tungsten, and later small-scale zinc and kaolin extraction linked to trade networks involving Cornish engine manufacturers and assay houses in Truro and Plymouth.
Technological developments featured the evolution from open-cast and streamworks used in Bronze Age Britain to deep underground lode mining employing innovations such as the Cornish engine, high-pressure steam engines by Arthur Woolf and James Watt, and pumping systems by Richard Trevithick, alongside draining adits like the Great County Adit; ore dressing used buddles, stamps, and reverberatory furnaces influenced by engineers including John Smeaton and metallurgists such as Thomas Sims. Later 19th-century advances incorporated beam engines manufactured by firms like Boulton & Watt and Perran Foundry, rock drilling, explosives introduced after the Nitroglycerin era, and metallurgical processes for smelting and roasting developed in laboratories connected to the Royal School of Mines and the Camborne School of Mines.
Major districts included Camborne–Redruth, with key mines such as Wheal Gorland, Consolidated Mines, and South Crofty; the St Austell district known for china clay; the Kit Hill and Caradon districts; the Tavistock and Bere Alston areas of West Devon; coastal workings at Botallack and Geevor; and inland shafts on Dartmoor and Bodmin Moor—all associated with proprietors, consortia, and companies like the Perran Foundry Company and the Cornish Mining Company. Internationally significant exports from these mines fueled smelting in ports such as Hayle, Falmouth, and Plymouth and supported shipping lines including those linked to the West Country mercantile communities and engineers who later worked on projects in South America, Australia, and South Africa.
Mining shaped social structures in towns like Redruth, Camborne, St Austell, Ilfracombe, and Bideford by creating labor communities, miners’ unions, and professional networks of mining engineers connected to the Cornish Miners' Association, United Kingdom miners' unions, and mutual societies; it influenced migration waves to Mexico, Peru, Australia, and Canada and contributed capital flows to banking houses in London and provincial firms such as Lloyds Bank branches serving the West Country. The industry affected housing, public health, and philanthropy exemplified by local benefactors like Samuel Foote and cultural institutions such as the Royal Cornwall Museum and festivities including the Obby Oss and miners’ traditions that persisted in diaspora communities.
Mining produced long-term legacies including spoil tips, contaminated river systems like the River Fal and River Tamar, acid mine drainage at sites such as Wheal Jane, and landscape alteration on Dartmoor and Bodmin Moor; responses included legislative and technical remediation influenced by bodies such as the Environment Agency and heritage groups like English Heritage and National Trust. Rehabilitation projects have combined ecological restoration, water treatment works, and archaeological conservation led by organizations including the Cornwall Wildlife Trust, Devon Wildlife Trust, and partnerships with universities such as the University of Exeter and the Camborne School of Mines.
Remaining engine houses, adits, and industrial landscapes form the Cornwall and West Devon Mining Landscape UNESCO World Heritage Site and attractions including Geevor Tin Mine, Botallack Mine, Mineral Tramways trails, and museums such as the Pool Museum, Heartlands (Redruth), and Poldark Mine; conservation efforts involve Historic England, local councils like Cornwall Council and Devon County Council, volunteer groups, and international networks of Cornish heritage societies in Australia, New Zealand, and Canada. Contemporary tourism links mining heritage with walking routes, geological education at the Royal Geological Society of Cornwall, and academic study through institutions such as the Camborne School of Mines and the University of Plymouth.
Category:Mining in England Category:Industrial history of the United Kingdom