Bilingual glossary of geology

Extrusive (Igneous Rock; syn.: Volcanic) Extrusive (roche ignée; syn.: volcanique)

A fine-grained or glassy igneous rock formed from a rapidly cooled magma that erupts at the Earth's surface (adapted from: Grotzinger et al., 2007).

Themes:
  Igneous rocks

Related words:
  Volcanic Eruption
  Intrusive (Igneous Rock; syn.: Plutonic)