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

Ground control

Earth science; Geology

A point or set of points, the coordinates of which have been determined by survey, used for fixing the scale and position of a photogrammetrically determined network.

Control network

Earth science; Geology

Geodetic control together with the measured or adjusted values of the distances, angels, directions, or heights used in determining the coordinates of the control.

Beach face

Earth science; Geology

The portion of a foreshore that lies nearest to the sea and regularly receives the swash of breaking waves. The beach face is the steepest part of the foreshore.

AMT

Earth science; Geology

Audio MagnetoTelluric method in which magnetotelluric measurements are made in the audio frequency range (10-10,009 Hz) for medium to shallow depth investigation.

Continental shield

Earth science; Geology

Broad areas of exposed ancient crystalline rocks in the cores of the Earth's continents. These rocks are typically the oldest on the continents, many more than 2.5 billion years old.

Coastal zone

Earth science; Geology

The land-sea-air interface zone around continents and islands extending from the landward edge of a barrier beach or shoreline of coastal bay to the outer extent of the continental shelf.

Alpine glacier

Earth science; Geology

Any glacier in a mountain range which is dominantly confined by the surrounding topography. It usually originates in a cirque and may flow down into a valley previously carved by a stream.