to minimise visual impact from the coast the quarry is sited 1 mi 1.6 km inland, and cut down into the mountain 1,600 ft 500 m above sea level. each explosive blast dislodges about 70,000 tons of granite, which is transported by dump truck to the primary crusher, which reduces it to lumps no bigger than nine inches in diameter.
after crushing has taken place, other particulates are filtered out through a variety of methods including hand-picking and water flotation. crushing at the actual construction site using portable crushers reduces construction costs and the pollution generated when compared with transporting material to and from a quarry. large road-portable .
this second foster yeoman quarry became operational in 1964, and was completed with the installation of the primary crusher in 1970. since 1949, stone had been carried to its destination by lorry, but now foster yeoman reverted to rail transport. the merehead stone terminal was established in 1970.
the catastrophe du boël disaster of boël was a landslide that occurred on june 6, 1884 in a quarry at a place named le boël in bruz, ille-et-vilaine, in the west of france.the landslide killed eight people including two children. groundwater that weakened the cliff and damage caused by explosives used to remove red shale found as a construction material in the local churches from the .
cocking lime works and its associated chalk quarry are abandoned industrial sites in the south downs of england. they are to the south of the village of cocking, west sussex, close to the south downs way. the works are on land owned by the cowdray estate and are not open to the public. cocking was the source of lime used for the manufacture of midhurst white bricks and for agricultural purposes.