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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

linear dune

Earth science; Geology

Long, straight dune with slip faces on each side.

liquefaction

Earth science; Geology

The transformation of a soil from a solid to a liquid state as the result of increased pore pressure.

longshore drift

Earth science; Geology

The general movement of sediment parallel to the shoreline. Waves generally carry sediment up the shore face at an angle to the shoreline, but carry it straight out again, ...

Love wave

Earth science; Geology

A seismic surface wave that has a horizontal (side-to-side) component but no vertical component.

low level nuclear waste

Earth science; Geology

Comes largely from national defense utilities and includes contaminated lab coasts, gloves, and laboratory equipment.

low velocity zone

Earth science; Geology

The seismic region within the upper mantle that corresponds to the asthenosphere.

magma ocean

Earth science; Geology

A global-scale ocean of magma, according to some calculations several hundred kilometers deep, thought to have existed during the final stages of accretion as the Earth was ...