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

diorite

Earth science; Geology

Intrusive igneous rock made of plagioclase feldspar and amphibole and/or pyroxene. Similar to gabbro only not as so dark, and containing less iron and magnesium.

disappearing stream

Earth science; Geology

In karst areas, streams often disappear into the ground usually at a sinkhole.

directed blast

Earth science; Geology

A hot, low-density mixture of rock debris, ash, and gases that moves at high speed along the ground surface. Directed blasts are generated by explosion

divergent plate boundary

Earth science; Geology

A boundary in which two tectonic plates move apart.

dome

Earth science; Geology

A steep-sided mass of viscous (doughy) lava extruded from a volcanic vent, often circular in plan view and spiny, rounded, or flat on top. Its surface is often rough and blocky as a result of ...