Geology

Geology

The science that comprises the study of the solid Earth and the processes by which it is shaped and changed.

Industry: Earth science

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Geology

Esker

Earth science; Geology

A winding ridge of stratified drift . Forms in a glacial tunnel and, when ice melts, stands as ridge up to 15 m high and kilometres in length.

Escarpment

Earth science; Geology

A long, more or less continuous cliff or relatively steep slope facing in one general direction, produced by erosion or faulting.

Eolian features

Earth science; Geology

Related to wind deposits and associated effects. Including wind streaks, sand dunes, ripples, deposits of loess, and yardangs.

Water cycling during past wet episodes on Mars would have had many components. A thick atmosphere most likely carried a substantial amount of water evaporated from lakes and seas. That water vapour ...

Ida

Earth science; Geology

An "S-type", main belt asteroid of silicaceous chemical composition. 251 Ida exhibits an irregular, heavily cratered surface and measures 55 x 24 x 20 km making it the largest member of a ...

Ice shelves

Earth science; Geology

A sheet of very thick ice with a level or gently undulating surface, which is attached to the land along one side but most of which is afloat and bounded on the seaward side by a steep cliff (ice ...

Iceberg

Earth science; Geology

A large, massive piece of floating or stranded glacier ice of any shape, broken from the front of a glacier into a body of water. An iceberg has the greater part of its mass (4/5 to 8/9) below sea ...