The 3 types of Rocks
By: Alexis and carson
Rock
igneous extrusive rock
Extrusive rock is characterized by fine-grained textures because they rapidly cool either at or near the earths crust. Therefore, there is not enough time for crystals to grow. Rock with this type of fine-grained texture is called aphasic.
metamorphic
Sedementary rock
Rocks
Conglomerate rock
sedimentary rock is made of large, greater than two mm in diameter clast size rocks. Clasts are are formed by multiple small rocks and rock material. Some examples of this type of large coasts include granules, pebbles, cobbles, and boulders.
Sand stone
sand stone is a type of rock.
Sandstone is a clump of rocks made up of mainly sand-sized minerals or rock grains. Sandstone is like sand, the most common colors are tan, brown, yellow, red, grey, pink, white, and black.