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Roofing slates are roofing tiles made out of slate. The rock is split into thin sheets which are cut to the requires size before shipment. This contrasts to slabs which are milled to produce larger structural components. [1] They are the primary product of the slate industry.
Massachusetts Hornfels-Braintree Slate Quarry, Milton and Quincy, Massachusetts, NRHP-listed, archaeological site used from 7,000 B.P. until the early 17th century as a source of slate and hornfels used for chipped and ground tools. W.N. Flynt Granite Co., in Monson, Massachusetts, a granite quarry that opened in 1809 and operated until 1935 ...
Slate was freed from the rockface by blasting in shot holes hammered (and later drilled) into the rock. Slate mines were usually worked in chambers which followed the slate vein, connected via a series of horizontal "Floors" (or "Levels"). The chambers varied in size between mines and were divided by "pillars" or walls which supported the roof.
It was less than three years ago that Slate, the Washington Post Co.'s (WPO) popular online magazine, gave birth to a family of spinoff sites that became the Slate Group. The new standalone sites ...
A sheet of flexible stone veneer illustrating its flexible nature Wall application A sheet of flexible stone veneer being cut and bent. Flexible stone veneer is made from a thin layer of stone stripped or peeled from a metamorphic stone marble chips or slab, rather than cutting from a solid stone or precast composite material.
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Slate tile covers this entire structure in Germany Tile is a thin modular stone unit, commonly 12 inches (300 mm) square and 3 ⁄ 8 inch (9.5 mm) deep. Other popular sizes are 15 inches (380 mm) square, 18 inches (460 mm) square, and 24 inches (610 mm) square; these will usually be deeper than the 12-inch square.