Assertion: magma's gas | /r/HasProperty | steam
Facets:
value: mostly
type: DEGREE
Source sentences:
text: Gases (mostly steam) build up in the magma chamber and explode VI.
text: At the base of the column, material is violently forced upwards out of the crater by the pressure of rapidly expanding gases, mainly steam.
text: Another effect of the cooling of the chamber is that the solidifying crystals will release the gas (primarily steam) previously dissolved when they were liquid, causing the pressure in the chamber to rise, possibly sufficiently to produce an eruption.
text: The most common gas released is steam (H 2 O), followed by CO 2 (carbon dioxide), SO 2 (sulfur dioxide), (HCl) hydrogen chloride and other compounds.