SlateSlate is really a high-quality-grained clayey metamorphic rock that cleaves, or splits, quickly into slender slabs acquiring good tensile power and durability. In excess of millions of years the sediment builds up, hardens, and gets good rock. Sandstone is actually a sedimentary rock that varieties in this manner. Sedimentary rock https://sticksofrock91233.ja-blog.com/36363562/not-known-facts-about-sticks-of-rock