Earth's Processes

an elastic wave in the earth produced by an earthquake or other means.

earth scientists, specialized in geophysics, who study the genesis and the propagation of seismic waves in geological materials.

The interruption of a settled and peaceful condition.

one of the two main types of elastic body waves, called seismic waves in seismology.

S waves, secondary waves, or shear waves are a type of elastic wave and are one of the two main types of elastic body waves

describes the outermost shell of a terrestrial planet. Earth's crust is generally divided into older

An incandescent gas mantle, gas mantle or Welsbach mantle is a device for generating bright white light when heated by a flame

The rigid outer part of earth, consisting of crust and upper mantle

the upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur.

Core the tough central part of various fruits, containing the seed

a dark, fine-grained volcanic rock that sometimes displays a columnar structure. It is typically composed largely of plagioclase with pyroxene and olivine