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

bankfull stage

Earth science; Geology

A stream discharge that just fills the stream channel.

barchan

Earth science; Geology

A crescent-shaped sand dune with horns pointing downwind.

bauxite

Earth science; Geology

A rock composed of aluminum hydroxides and impurities in the form of silica, clay, silt, and iron hydroxides. A residual weathering product, exploited as the primary ore for ...

bay barrier

Earth science; Geology

A beach that cuts off a bay from the sea.

beheaded stream

Earth science; Geology

The headwaters of a stream that have been captured by another stream.

beta decay

Earth science; Geology

The process of radioactive decay in which a neutron loses a beta particle, which is physically identical to an electron. This increases the atomic number of the atom by one by ...