Earth science

Earth science

Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.

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Earth science > Geology

core

Earth science; Geology

Earth has outer silicate crust, a highly viscous mantle, a liquid outer core.

crater

Earth science; Geology

The depression produced by a meteorite impact or a steep-sided, usually circular depression formed by either explosion or collapse at a volcanic vent.

craton

Earth science; Geology

The stable portions of the continents that have escaped orogenic activity for the last 2 billion years. Made predominantly of granite and metamorphic rocks. compare orogen .

atmospheric shock wave

Earth science; Geology

Strong compressive atmospheric wave driven by volcanic ejecta.

avalanche

Earth science; Geology

A large mass of material or mixtures of material falling or sliding rapidly under the force of gravity. Avalanches often are classified by their content, such as snow, ice, soil, ...