Great Rock Mine is a disused micaceous haematite mine about 3 km north of the town of Bovey Tracey in Devon, England. It was worked from the nineteenth century until 1969,Brooks, Tony. Great Rock: Devon's last metal mine. Retrieved on 2007-06-15. and was the last active mine in the Dartmoor National Park area.The Uses of Dartmoor Rock . Dartmoor National Park Authority. Retrieved on 2007-06-15.
At its most active during the 1940s, the mine produced 2,500 tons of micaceous haematite per year.Great Rock Mine, Hennock, North-Eastern Dartmoor, Dartmoor & Teign Valley District, Devon, England, UK. Mineralogy Database. Retrieved on 2007-06-15. The mineral was an important ingredient in the rust-resistant paint used on Royal Navy ships and on bridges, including the Royal Albert Bridge and the Sydney Harbour Bridge.
References
External links
The Great Rock Mine website