Earth science

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.

7Categories 223518Terms

Add a new term

Contributors in Earth science

Become a Contributors

Earth science > Geology

diorite

Earth science; Geology

Intrusive igneous rock made of plagioclase feldspar and amphibole and/or pyroxene. Similar to gabbro only not as so dark, and containing less iron and magnesium.

disappearing stream

Earth science; Geology

In karst areas, streams often disappear into the ground usually at a sinkhole.

directed blast

Earth science; Geology

A hot, low-density mixture of rock debris, ash, and gases that moves at high speed along the ground surface. Directed blasts are generated by explosion

divergent plate boundary

Earth science; Geology

A boundary in which two tectonic plates move apart.

dome

Earth science; Geology

A steep-sided mass of viscous (doughy) lava extruded from a volcanic vent, often circular in plan view and spiny, rounded, or flat on top. Its surface is often rough and blocky as ...