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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

competence

Earth science; Geology

The maximum size of particle that a stream can carry.

corona

Earth science; Geology

A circular to elongate feature which is surrounded by multiple concentric ridges. Coronae are thought to be formed by hot spots.

berm breakwater

Earth science; Geology

Rubble mound with horizontal berm of armour stones at about sea-side water level, which is allowed to be (re)shaped by the waves.

arete

Earth science; Geology

A narrow, knife-edged ridge with steep sides found in high areas of glaciated regions. These result from the formation of corries.

b horizon

Earth science; Geology

The subsoil. This layer lies below the topsoil and contains more clay and iron oxides than either the A- horizon or the C-horizon.

bearing capacity

Earth science; Geology

A value placed on the difference between a soil and its underlying soil or rock which indicates the likelihood of a sheer failure.

blowhole

Earth science; Geology

A sea cave with a collapsed roof. Water hits the back of the cave with force, shooting it through the hole in the top of the cave.