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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

chute

Earth science; Geology

A narrow channel with a fast-flowing current in rivers and in straits between islands and mainlands.

bench mark

Earth science; Geology

A mark affixed to a permanent object in tidal observations, or in a survey, to furnish a Datum level.

benthos

Earth science; Geology

Those animals who live on the sediments of the sea floor, including both mobile and non-mobile forms.

conduction

Earth science; Geology

Heat transport by direct transfer of energy from one particle to another, without moving the particle to a new location. compare convection , radiation .

active fault

Earth science; Geology

A fault along which slip has occurred in historical (or Holocene) time or earthquake foci are located.

angular unconformity

Earth science; Geology

An unconformity in which the beds below the unconformity dip at a different angle than the beds above it.

array

Earth science; Geology

A deep gully cut by a stream that flows only part of the year; a dry gulch. A term normally used only in desert areas.