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Physical Phenomena > Geological Phenomena > Volcanic Eruptions

Preferred term

Volcanic Eruptions  

Type

  • mesh:Descriptor

Definition

  • The ash, dust, gases, and lava released by volcanic explosion. The gases are volatile matter composed principally of about 90% water vapor, and carbon dioxide, sulfur dioxide, hydrogen, carbon monoxide, and nitrogen. The ash or dust is pyroclastic ejecta and lava is molten extrusive material consisting mainly of magnesium silicate. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)

Broader concept

Entry terms

  • Volcanic Eruption

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URI

http://data.loterre.fr/ark:/67375/JVR-RVZ2S066-N

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RDF/XML TURTLE JSON-LD Created 5/23/94, last modified 6/30/18