What is the importance of crust?

The Earth's crust is an extremely thin layer of rock that makes up the outermost solid shell of our planet -- here's why it's exceptionally important. read more

Importance of Earth's Crust. After the formation of the Earth 4.5 billion years ago, the heavier objects like iron moved to the core and the lighter elements like water settled at the crust. read more

The crust is composed of igneous, metamorphic, and igneous rock, but primarily igneous rock. The crust is chemically divided into two types. Continental crust is the less dense of the two, granitic in composition, and the thicker of the two. Oceanic crust is more dense, basaltic in composition, and relatively thin. read more

The Earth's crust is an extremely thin layer of rock that makes up the outermost solid shell of our planet -- here's why it's exceptionally important. The Earth's crust is an extremely thin layer of rock that makes up the outermost solid shell of our planet -- here's why it's exceptionally important. read more