Carrock Mine has some of the best exposed Tungsten ore veins in the British Isles and Dr Eimear Deady, one of the nation’s leading minerals experts at the British Geological Survey, has very kindly agreed to give CATMHS members a guided tour of the mineralisation. An easy walk underground mine walk lasting 2 – 3 hours, wellingtons and warm clothes recommended, hard hat and headlight compulsory – let us know in advance if you need to borrow these.