The Cornish in Latin America

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In the 1830s Chile produced nearly a fifth of the world output of copper while Cornwall provided more than half. But a decade later Chile had surpassed Cornwall, and by the 1850s when Cornish mines produced barely a quarter of the world’s copper supply, Chile was providing over 40 per cent. This map depicts the main Chilean metalliferous mining sites that enabled Chile to dominate global copper ore production in the mid to late nineteenth century.

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