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

Mercury's major landforms include impact craters which dominate the landscape, cratered terranes, widespread intercrater plains, multiring basins, and some smooth plains that mav have been formed by ...

Coastal currents

Earth science; Geology

(1) Those currents which flow roughly parallel to the shore and constitute a relatively uniform drift in the deeper water adjacent to the surf zone. These currents may be tidal currents, transient, ...

Common types include

Earth science; Geology

A nun or nut buoy is conical in shape; a can buoy is squat and cylindrical above water and conical below water; a spar buoy is a vertical, slender spar anchored at one end; a bell buoy, bearing a ...

Cataclasis

Earth science; Geology

A special type of metamorphism in which "weathering" involving mechanical processes along fault zones pulverises mineral grains into smaller grains and dust. This type of metamorphism depends on ...

Convection cell

Earth science; Geology

A cyclical pattern of movement in a fluid body such as the ocean, the atmosphere, or the Earth's mantle, driven by density variations which in turn are the result of differences in temperature from ...

Body wave

Earth science; Geology

Any seismic wave that travels through the body of the Earth, rather than along its surface. compare surface wave.

Carbonaceous chondrites

Earth science; Geology

Asteroids made of undifferentiated silicates with carbon compounds and water (densities ~2.3gm/cc). They represent the primordial material of the Solar System from which planets accreted. Besides an ...