* Continental crust: This is thicker and less dense than oceanic crust. It is made up of a variety of igneous, sedimentary, and metamorphic rocks, and is primarily composed of granite.
* Oceanic crust: This is thinner and denser than continental crust. It is primarily made up of basalt and gabbro, which are dark-colored, fine-grained igneous rocks.
These two types of crust differ in their composition, thickness, and density, which contributes to their distinct features and roles in the Earth's structure.
