Metamorphic Rocks- Arise from the transformation of existing rock types, in a process called metamorphism, which means "change in form".
Sedimentary Rocks- Are types of rocks that are formed by the deposition of material at the Earth's surface and within bodies of water.
Igneous Rocks- Is formed through the cooling and solidification of magma or lava.
Slate is an example of a Metamorphic Rock.
Sandstone is an example of Sedimentary Rock.
Granite is an example of Igneous Rock.
Stratification is a system or formation of layers, classes, or categories.