Assertion: magma's volatile | /r/HasProperty | supplied by mafic magmas
Facets:
value: from greater depth
type: OTHER
Source sentences:
text: Perhaps one of the characteristic features of volcanoes that give rise to sulfur-rich explosive eruptions is the presence of a long-lived magma reservoir with a relatively cool, oxidized, and crystal-rich upper zone, which acts as a trap for volatiles that are supplied by mafic magmas from greater depth.