Broken bits of rock lie on top rated. The tiniest bits of rock make up sand and soil. Underneath Earth’s crust is another layer of typically good rock, known as the mantle. Swimming pools of melted rock, or magma, sort inside the mantle. rock texturesRocks have a number of textures. https://personalisedsweets91233.therainblog.com/35180212/not-known-details-about-sticks-of-rock