Slate from the Cambrian succession of North Wales is a well-known source of building products from the United Kingdom and is here advocated as a suitable“Global Heritage Stone Resource”.Its first recorded use was in...Slate from the Cambrian succession of North Wales is a well-known source of building products from the United Kingdom and is here advocated as a suitable“Global Heritage Stone Resource”.Its first recorded use was in the Roman period in Wales,and subsequently from the sixteenth century throughout the British Isles.During the 16th and 17th centuries several small companies worked the slate belt from Bethesda to the Nantlle valley but in the mid-18th these were gradually taken over or amalgamated and three large operations came to dominate the industry:Penrhyn,Dinorwic.展开更多
文摘Slate from the Cambrian succession of North Wales is a well-known source of building products from the United Kingdom and is here advocated as a suitable“Global Heritage Stone Resource”.Its first recorded use was in the Roman period in Wales,and subsequently from the sixteenth century throughout the British Isles.During the 16th and 17th centuries several small companies worked the slate belt from Bethesda to the Nantlle valley but in the mid-18th these were gradually taken over or amalgamated and three large operations came to dominate the industry:Penrhyn,Dinorwic.
