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Earth science

Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.

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Earth science > Geology

isostasy

Earth science; Geology

The condition of equilibrium, comparable to floating, of units of the lithosphere above the asthenosphere.

isostatic change in sea level

Earth science; Geology

A sea level change due to change in load on Earth’s crust.

jasper

Earth science; Geology

A red variety of chert , its color coming from minute particles of included hematite.

jet flow

Earth science; Geology

Flow in which fluid moves at high speed in jet-like surges as does water in free fall over a falls.

jetty

Earth science; Geology

Similar to a groin but built to keep sand out of a harbor entrance.

juvenile hydrothermal fluid

Earth science; Geology

A hot fluid, largely water, presumed to have been released from a magma.

kame

Earth science; Geology

Stratified drift deposited in depressions and cavities in stagnant ice and left as irregular, steep sided hills when the ice is melts.