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

Lava channels

Earth science; Geology

Lava channels extending from hundreds to thousands of kilometres in length are conspicuous on the Venusian plains. Simple channels typically show little or no branching. They include long sinuous ...

A topographic basin on Venus consisting 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 ...

Lower mantle of the Earth

Earth science; Geology

That part of the mantle that lies below a depth of about 1000 km and has a density of 4.7 g/cm 3 , in which the seismic velocity increases slowly with depth.

Liquid metal hydrogen

Earth science; Geology

A liquid metal form of hydorgen which exists only at high pressures (over 4 million bars) and is theorised to exist near the core of Jupiter.

Loess

Earth science; Geology

A blanket deposit of buff-colored calcareous silt, homogeneous, nonstratified, weakly coherent, porous, and friable. It is considered to be windblown dust of Pleistocene age.