The mine will exploit the world's fourth-largest deposit of tungsten
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Hemerdon tungsten mine excavation work begins

9 June 2014 Last updated at 09:27 BST

Work has started to excavate Britain's first new metal mine for more than 40 years.

The Hemerdon tungsten mine on the edge of Dartmoor will cost about £130m to dig and is expected to start producing the metal in 2015.

The mine, near Plympton, will exploit the world's fourth-largest deposit of tungsten.

Russell Clark, from Wolf Minerals, told BBC Radio Five Live's Wake Up To Money they hoped to produce about 3,000 tonnes of tungsten and tin per year.