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

gradient

Earth science; Geology

Slope of a stream bed or hillside. The vertical distance of descent over horizontal distance of slope.

granitic belt

Earth science; Geology

A region of granitic rock, one of two characteristic regions within cratons.

fetch

Earth science; Geology

Distance over which wave-forming winds blow.

firn (névé)

Earth science; Geology

Granular ice formed by the recrystallization of snow. Intermediate between snow and glacier ice.

fission

Earth science; Geology

The spontaneous or induced splitting, by particle collision, of a heavy atomic nucleus into a pair of fragments plus some neutrons. Controlled induced fission can be used as a ...