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Glossary beginning with G

Volcano Term Definitions

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Geothermal Energy

Energy derived from the internal heat of the earth.

Geothermal Power

Power generated by using the heat energy of the earth.

Graben

An elongate crustal block that is relatively depressed (downdropped) between two fault systems.

Guyot

A type of seamount that has a platform top. Named for a nineteenth-century Swiss-American geologist.