Assertion: lava | /r/CapableOf | accumulate around the opening
Facets:
Source sentences:
text: A hornito develops when lava is forced up through an opening in the cooled surface of a flow (a skylight) and then accumulates around the opening.
text: A hornito develops when lava is forced up through an opening in the cooled surface of a flow (a skylight) and then accumulates around the opening.