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

black sand beach

Earth science; Geology

The famous "black sand" beaches of Hawaii were created virtually instantaneously by the violent interaction between hot lava and sea water

Tephra is the general term now used by volcanologists for airborne volcanic ejecta of any size. Historically, however, various terms have been used to describe ejecta of different sizes. Fragments ...

bombs

Earth science; Geology

breccia

Earth science; Geology

A clastic rock in which the gravel-sized particles are angular in shape and make up an appreciable volume of the rock.

calcite

Earth science; Geology

Mineral made of calcium carbonate (CaCO3). Generally white, easily scratched with knife. Most seashells are made of calcite or related minerals. This is the lime of limestone.

cavernous weathering

Earth science; Geology

A combination of chemical and mechanical weathering processes act on rock surfaces to produce hollows and caverns. This is also called honeycomb weathering.