SlateSlate can be a fine-grained clayey metamorphic rock that cleaves, or splits, easily into slender slabs having great tensile toughness and longevity. Encyclopaedia Britannica's editors oversee matter regions through which they've in depth understanding, regardless of whether from a long time of expertise acquired by engaged on that information or https://personalised-sweets12233.blue-blogs.com/43890744/not-known-details-about-sticks-of-rock