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Crust (geology) - Wikipedia

en.wikipedia.org/wiki/Crust_(geology)

The crust of the Earth is composed of a great variety of igneous, metamorphic, and sedimentary rocks. The crust is underlain ...

The Earth's Crust - Geology For Kids - By KidsGeo.com

www.kidsgeo.com/geology-for-kids/0021-earths-crust.php

The Earth's Crust The first layer consists of about 10 miles (16km) of rock and loose materials scientists call the crust. Underneath the continents, the crust is ...

crust - National Geographic Society

www.nationalgeographic.org/encyclopedia/crust/

May 29, 2015 ... From mud and clay to diamonds and coal, Earth's crust is composed of igneous, metamorphic, and sedimentary rocks. The most abundant ...

Earth's Crust

volcano.oregonstate.edu/oldroot/education/vwlessons/lessons/Earths_layers/Earths_layers4.html

The Earth's Crust is like the skin of an apple. It is very thin in comparison to the other three layers. The crust is only about 3-5 miles (8 kilometers) thick under the  ...

Crust (geology) - Science Daily

www.sciencedaily.com/terms/crust_(geology).htm

In geology, a crust is the outermost layer of a planet. The crust of the Earth is composed of a great variety of igneous, metamorphic, and sedimentary rocks.

Layers Of The Earth: What Lies Beneath Earth's Crust - Forbes

www.forbes.com/sites/trevornace/2016/01/16/layers-of-the-earth-lies-beneath-earths-crust/

Jan 16, 2016 ... The layers of Earth provide geologists and geophysicists clues to how Earth formed, the layers that make up other planetary bodies, the source ...

Hole Drilled to Bottom of Earth's Crust, Breakthrough to Mantle Looms

www.livescience.com/6959-hole-drilled-bottom-earth-crust-breakthrough-mantle-looms.html

Apr 7, 2005 ... Scientist said this week they had drilled into the lower section of Earth's crust for the first time and were poised to break through to the mantle in ...

The Earth's Crust: Everything You Need to Know

geology.about.com/od/platetectonics/a/thecrust.htm

The Earth's crust is the thin, rocky layer that makes up our planet's shell. It is exceptionally important, and not just because we live on it.

Earth's crust | geology | Britannica.com

www.britannica.com/science/Earths-crust

The chemical composition of Earth's crust, oceans, and atmosphere can be studied, but this is only a minute fraction of the mass of Earth, and there are many  ...