Search results
Results from the WOW.Com Content Network
The slate industry is the industry related to the extraction and processing of slate. Slate is either quarried from a slate quarry or reached by tunneling in a slate mine. Common uses for slate include as a roofing material, a flooring material, gravestones and memorial tablets, and electrical insulation.
A quarry is a type of open-pit mine in which dimension stone, rock, construction aggregate, riprap, sand, gravel, or slate is excavated from the ground. The operation of quarries is regulated in some jurisdictions to manage their safety risks and reduce their environmental impact.
The first record of slate quarrying in the neighbourhood of the later Penrhyn Quarry was in 1413, when a rent-roll of Gwilym ap Griffith records that several of his tenants were paid 10 pence each for working 5,000 slates. [11] Aberllefenni Slate Quarry may have started operating as a slate mine as early as the 14th century. The earliest ...
Honister Slate Mine from Fleetwith to the west. The Honister Slate Mine in Cumbria is the last working slate mine in England. Quarrying for Westmorland green slate has been taking place in the area since the late 17th century. Apart from the mining it is also a popular tourist attraction in the Lake District National Park.
The Welsh Slate Company's Lower Quarry mine extended directly beneath that of the Middle Quarry, its progress was limited by the speed with which the Middle Quarry progressed, because both were working the same vein of slate. But the Middle Quarry was mining more slowly than the Welsh Slate Company desired, so the latter had taken the dangerous ...
Slate is abundant in Brazil, the world's second-largest producer of slate, around Papagaios in Minas Gerais, which extracts 95 percent of Brazil's slate. However, not all "slate" products from Brazil are entitled to bear the CE mark. [39] Workers mining slate at Mintaro Quarry in Mintaro, South Australia, c. 1880
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
The Slate Industry in the Nantlle Valley was the major industry of the area. The Nantlle Valley is the site of oldest slate quarry in Wales at Cilgwyn, and during the nineteenth and twentieth centuries it was a major centre of the Slate industry in Wales. The quarries of the area are a World Heritage Site. [1]