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Geology

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

Contributors in Geology

Geology

Sapping

Earth science; Geology

Spring fed channels that are created when soft sediment layers are removed by underlying water erosion.

Sea ice

Earth science; Geology

Any form of ice originating from the freezing of sea water, thus excluding icebergs.

Scarp

Earth science; Geology

A cliff or steep slope of some extent that may form a marked topographic boundary.

Sand sea

Earth science; Geology

A large area completely, or nearly completely, covered with sand dunes.

Tarns

Earth science; Geology

A small, deep, commonly circular glacial lake occupying a cirque; it is fed by runoff from the surrounding slopes and dammed by a lip of bedrock or by a small moraine.

Terminator

Earth science; Geology

The line separating the illuminated and unilluminated parts of a celestial body; the dividing line between day and night as observed from a distance.

Tektites

Earth science; Geology

Small, rounded pieces of silicate glass, thought to have become airborne during terrestrial impact events.

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