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

Add a new term

Contributors in Geology

Become a Contributors

Geology

Patera

Earth science; Geology

A shallow crater with a scalloped, complex edge.

A white, pink or grey mineral of the alkali feldspar group: (KAlSi 3 O 8 ). It is the partly ordered, monoclinic modification of potassium feldspar and is dimorphous with microcline, being stable at ...

Outer core

Earth science; Geology

The upper zone of the Earth's core, extending from a depth of 2900 km to 5100 km, and including the transition zone. It is presumed to be liquid because it sharply reduces compressional wave ...

Outflow channels

Earth science; Geology

Structures on Mars that are more than 200 kilometres wide and can stretch for 2,000 kilometres or more. These channels emanate from what is called chaotic terrain, regions of fractured, jumbled rocks ...

Ovda regio

Earth science; Geology

The tectonic fabric of this region on Venus trends predominantly east-west. The large radar-dark areas are probably tectonically formed basins that have been filled in by fluid lava flows, thus ...

Patterned ground

Earth science; Geology

A group term for the more or less symmetrical forms such as circles, polygons, nets, steps, and stripes that are characteristic of, but not necessarily confined to, surficial material subject to ...