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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

clastic rock

Earth science; Geology

A sedimentary rock formed from mineral particles (clasts) that were mechanically transported.

alimentation

Earth science; Geology

When snow and ice are added to a glacier through an avalanche or the refreezing of melt water.

atoll

Earth science; Geology

A roughly circular reef with an occasional small, low, coral sand island surrounding a shallow lagoon.

beta-particle

Earth science; Geology

An electron emitted with high energy and velocity from a nucleus undergoing radioactive decay.

campanian

Earth science; Geology

European stage of the Upper Cretaceous, spanning the time between 84 and 72 million years ago.

caste

Earth science; Geology

A position in society inherited from parents and from which there is no transfer through life.

coniacian

Earth science; Geology

European stage of the Upper Cretaceous, spanning the time between 90 and 88 million years ago.