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

earthflow

Earth science; Geology

A form of slow, but perceptible, mass movement, with high content of water and rock debris. Lateral boundaries are well-defined and the terminus is lobed. With increasing moisture ...

elastic

Earth science; Geology

Non-permanent structural deformation during which the amount of deformation (strain) is proportional to the stress.

elastic rebound

Earth science; Geology

The statement that movement along a fault is the result of an abrupt release of a progressively increasing elastic strain between the rocks on either side of the fault.

elasticity

Earth science; Geology

The tendency for a body to return to its original shape and size when a stress is removed.

electron capture

Earth science; Geology

Nuclear decay in which a proton in the nucleus acquires an electron from the outer cloud of the atom’s electrons. This converts the proton to a neutron, reduces the number of ...

electron shell

Earth science; Geology

A characteristic energy level with which an electron is associated. Electrons occupy discrete shells within the cloud surrounding an atom’s nucleus. These may be thought of, ...