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

Biosphere

Earth science; Geology

The 'living zone* or 'layer of life' on earth. It can consist of a few metres of the sea, a few centimetres of soil and a few hundred feet of air. Anything that sustains life.

Central angle

Earth science; Geology

An angle with the vertex at the centre of the Earth with one ray passing through the hypocenter (and also the epicenter) and the other ray passing through the recording station.

Cavity

Earth science; Geology

A hole or opening, as at the bed of a glacier. When the rate of deformation into a space behind an obstacle is less the rate of movement past the obstacle, a cavity will form.

Carbonic acid

Earth science; Geology

A mild acid formed when water and carbon dioxide chemically combine in the atmosphere and soil.This acid is a very important component in the development of cave decorations (speleothems).

A variety of limestone made up in part of biochemically derived calcite, in form of skeletons or skeletal fragments of microscopic oceanic plants and animals mixed with fine-grained calcite deposits ...

Chemical remanent magnetization

Earth science; Geology

Magnetization acquired isothermally through chemical change at temperatures below the Curie temperature either by grain growth or by alteration of a magnetic parent to a magnetic daaghter.

Cenozoic era

Earth science; Geology

The latest era of the Phanerozoic Eon, following the Mesozoic Era and continuing to the present time, and marked by the presence of a wide variety of mammals, including the first hominids.