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

Lustre

Earth science; Geology

The manner in which light reflects from the surface of a mineral, described by its quality and intensity.

Lineation

Earth science; Geology

A general term applying to any linear feature in a metamorphic rock.

A gravity-induced flow of one current through, over, or under another fluid media, owing to density differences. Factors affecting density differences include temperature, salinity, and concentration ...

Desert

Earth science; Geology

A region with an average annual rainfall of 10 inches or less.

Feldspar

Earth science; Geology

Family of silicate minerals containing varying amounts of potassium, sodium and calcium along with aluminum, silicon and oxygen. Potassium feldspars contain considerable potassium. Plagioclase ...

Fission tracks

Earth science; Geology

Microscopic tunnels made in crystals by escaping nuclear particles emitted by radioactive elements. Most commonly studied are fission tracks in zircon crystals made by the radioactive decay of ...

Firn limit

Earth science; Geology

A term used by glaciologists (scientists who study glaciers) for the boundary where the amount of snow loss from melting and evaporation equals the amount of snow accumulation from snowfall (also ...