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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

biotite

Earth science; Geology

A common rock-forming mineral of the mica family. Biotite is a black or dark brown silicate rich in iron, magnesium, potassium, aluminum, and, of course, silica. Like other micas, ...

quasicrystal

Earth science; Geology

A quasiperiodic crystal, or, in short, quasicrystal, is a structure that is ordered but not periodic. A quasicrystalline pattern can continuously fill all available space, but it ...

conifer

Earth science; Geology

A cone-bearing tree that has needles as leaves (pine, fir, and cedar).

cosmogenic isotope

Earth science; Geology

Isotope produced by nuclear reactions induced by cosmic-ray particles.

applied geomorphology

Earth science; Geology

The study of the relationship between geomorphology and human activity.

bajada

Earth science; Geology

Multiple alluvial fans joining together to form an undulating landform.

beach width

Earth science; Geology

The horizontal dimension of the beach measured normal to the shoreline.