Geology

Geology

The science that comprises the study of the solid Earth and the processes by which it is shaped and changed.

Contributors in Geology

Geology

The central, solid part of the Earth's core, extending from a depth of about 5100 km to the centre (6371) of the Earth; its radius is about 1/3 that of the whole core and is effectively de-coupled ...

Impact melts

Earth science; Geology

During an impact event, a compression wave spreads outward from the point of impact. Engulfed by the shock wave, the colliding meteoroid and the surface rocks are melted and partially vaporized.

Impact craters

Earth science; Geology

A depression formed by the impact of an unspecified projectile, esp. a crater formed on the Earth, planet or moon surface where the nature of the impacting body is unknown.

Igneous

Earth science; Geology

Said of a rock or mineral that solidified from molten or partly molten material, e.g. from a magma; also applied to processes related to the formation of such rocks.

Impact basin

Earth science; Geology

A depression formed by the impact of a meteorite, and also a depression around the orifice of a volcano.

Large magellanic cloud

Earth science; Geology

Hazy, cloud-like patches in the sky of the Earth's southern hemisphere which are gigantic groups of stars forming separate galaxies.

Lowlands

Earth science; Geology

These large plains on Venus that consist of extensive, probably basaltic, lava flows and could be compared to the Earth's ocean basins in respect to extent and composition. Features seen within the ...