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

zone of fracture

Earth science; Geology

The near surface zone in a glacier that behaves like a brittle substance.

zone of flow

Earth science; Geology

The zone in a glacier that flows by deforming along planes of weakness in the ice crystals.

zone of aeration

Earth science; Geology

Zone immediately below the ground surface within which pore spaces are partially filled with water and partially filled with air.

zone of accumulation

Earth science; Geology

The B horizon in a residual soil. 2. The area in which ice accumulates in a glacier.

yield point

Earth science; Geology

The stress limit at which permanent deformation takes place in a non-brittle material.

yazoo-type river

Earth science; Geology

A tributary stream unable to enter a main stream because of natural levees along the main stream. It flows in a backswamp area, parallel to the main stream until it finds an entry ...