At its peak in the mid-1800s, 4,000 people worked the pits and shafts that honeycombed the island.
Today, modern technology has stirred a local geologist to mine Anglesey once more.
A 540-m shaft is being sunk to access a deep, poly-metallic orebody with confirmed reserves of 4.8 million tonnes grading 6.04% zinc, 3.03% lead, 1.49% copper, 57 g silver and 0.4 g gold per tonne. The mine is expected to be operational by 1992. It will be Britain’s first new metal mine this century and, within 15 years, is expected to be its biggest zinc producer.
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