Concept information
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
Allowable Qualifier(s)
In other languages
-
French
-
Éruption volcanique
-
Éruptions de volcans
URI
http://data.loterre.fr/ark:/67375/JVR-RVZ2S066-N
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