Number of the records: 1
erupcie sopečné
Subject h. erupcie sopečné Subject h. Volcanic Eruptions Entry terms popol sopečný
popol vulkanický
erupcia vulkanická
plyny sopečné
plyny vulkanickéEnglish X references Volcanic Ash
Volcanic Eruption
Volcanic GasesScope note in English 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) 
subject heading
Number of the records: 1