Name where the rocks have been lightly metamorphosed. On that route 'shale' has been converted into 'slate.' It can be difficult to pick up a rock and apply the proper You will have a difficult time deciding where Imagineĭriving your car eastwards in Pennsylvania through areas of increasing metamorphism, starting where the rock isĭefinitely 'shale' and stopping to examine rock at each outcrop.

We partner with suppliers with advanced manufacturing technology and techniques, allowing for a range of textures to be applied to the material. leading manufacturer of high-quality slate and stone products including hearths, window sills, walling, flooring, coping, paving. This confusion of terms partially arises from the fact that shale is progressively converted into slate. Slate Floor Wall Slate Part of: Natural Stone Natural Stone Slate Slate Natural slate is a staple for traditional and contemporary indoor and outdoor flooring. We carefully-curate our selection of slate tiles and slabs, and these materials are technically more durable than most other slates. To use the word 'slate' when talking about 'shale.' However, in the past the word slate was often used freely in reference for shale. The word 'slate' has not been used consistently over time and in some industries. Image copyright iStockphoto / Bruce Lonngren. The consistent colour of our Brazilian Slates is perfect for contemporary homes, while the riven varieties with a textured surface lend.

These slates were widely used until the late 1800s, when wood-case pencils were easily produced and the price of paper became affordable. Students wrote on the slate with a 'pencil' made from slate, soapstone, or clay. School slate: School slate used for writing practice and arithmetic.

Slate stone