20 Terms
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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.
Industry: Earth science
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Geology
Eolian
Earth science; Geology
Term describing the process of wind erosion, transport, and deposition, and wind-created deposits and structures such as sand dunes.
Ejecta
Earth science; Geology
Material that is thrown out by a volcano, including pyroclastic material (tephra) and, from some volcanoes, lava bombs.
Karst
Earth science; Geology
A landscape that develops from the action of ground water in areas of easily soluble rocks. characterised by caves, underground drainage and sinkholes.
Lawsonite
Earth science; Geology
A metamorphic mineral that forms only under very high pressure. It is a calcium aluminium silicate and usually forms microscopic crystals.
Kyanite
Earth science; Geology
An aluminum-rich, blue to light green silicate mineral. Kyanite forms in metamorphic rocks at moderate temperature and high pressure.
Lava
Earth science; Geology
Magma that reaches the Earth's surface through a volcanic eruption. When cooled and solidified, forms extrusive (volcanic) igneous rock.
Lahar
Earth science; Geology
A mudflow composed chiefly of pyroclastic material on the flanks of a volcano.
