Experts describe cobalt mine at Alderley Edge as 'time capsule' thanks to lack of oxygen A pristine 200-year-old mineshaft that had been undisturbed since it was abandoned by miners during the Napoleonic wars has been discovered by cavers in Cheshire, revealing an almost unique "time capsule" of their underground life. The cobalt mine, at Alderley Edge, was sealed by the miners when the shaft was abandoned, at a date that can be pinpointed fairly accurately thanks to one man who used candle soot...
Experts describe cobalt mine at Alderley Edge as 'time capsule' thanks to lack of oxygen A pristine 200-year-old mineshaft that had been undisturbed since it was abandoned by miners during the Napoleonic wars has been discovered by cavers in Cheshire, revealing an almost unique "time capsule" of their underground life. The cobalt mine, at Alderley Edge, was sealed by the miners when the shaft was abandoned, at a date that can be pinpointed fairly accurately thanks to one man who used candle soot...
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