All rocks are made of minerals. Igneous rocks are formed from molten and magma eg. basalt and granite, Sedimentary rocks are mechanically or organically formed eg. sandstone, limestone and shale and...
An igneous rock is a rock that started as molten magma then cooled and solidified either above,on,or below the surface. An sedimentary rock is a type of rock that is formed by sedimentation of...
There are a lot of processes involved that transform a sedimentary rock into an igneous or metamorphic rock. But in short detail a sedimentary rock becomes metamorphic when it is exposed to pressure...