Geology Terms

Front

Inner core

Back

The innermost layer of the Earth, composed primarily of iron and nickel.

Front

Outer core

Back

The layer of the Earth outside the inner core, composed of liquid iron and nickel.

Front

Mantle

Back

The thick layer of rock between the Earth's crust and outer core.

Front

Crust

Back

The outermost layer of the Earth, consisting of solid rock.

Front

Lithosphere

Back

The rigid outer layer of the Earth, including the crust and upper mantle.

Front

Oceanic crust

Back

The part of the Earth's crust that underlies the ocean basins.

Front

Continental crust

Back

The part of the Earth's crust that forms the continents.

Front

Plate tectonics

Back

The theory explaining the movement of the Earth's plates and the associated geological phenomena.

Front

Subduction zone

Back

A region where one tectonic plate moves under another, leading to geological activity.

Front

Divergent plate boundaries

Back

Regions where tectonic plates are moving apart, often associated with volcanic activity.