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

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 ...

felsic

Earth science; Geology

A term used to describe light-colored igneous rocks with an abundance of light-colored minerals, especially feldspars and quartz.

firn

Earth science; Geology

Partially compacted snow that survives the summer melting season.

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 ...

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 ...