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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

components principle

Earth science; Geology

The principle stating that a body of rock is younger than any other body of rock from which any of its components are derived.

badlands

Earth science; Geology

Areas where there is little vegetation and agriculture is not possible. These areas are intensely dissected natural landscapes.

biological diversity

Earth science; Geology

A concept recognizing the variety of life forms in an area of the Earth and the ecological interdependence of these life forms.

compression

Earth science; Geology

Fossil formed when an organism is flattened (compressed) and a thin film of organic material from its body is left in the rock.

conurbation

Earth science; Geology

An extensive urban area formed when two or more cities, originally separate, coalesce to form a continuous metropolitan region.

cave system

Earth science; Geology

A cave or caves having a complex network of interconnected chambers and passages that constitute an underground drainage system.

central volcano

Earth science; Geology

A volcano constructed by the ejection of debris and lava flows from a central point, forming a more or less symmetrical volcano.