Minerals occur at various places along the west side of the Conwy Valley. From Crafnant to Dolgarrog there are various workings to extract iron pyrites. Cae Coch Mine was one of the largest 90,000 tons of ore was extracted between 1860 and 1875 and 1600 tons when the mine was re-opened during the First World War.
Categories & Keywords
Keywords:cae coch, conwy, cymru, dolgarrog, geology, iron pyrites, iron-ore, mineralogy, minerals, mining, trefriw, wales