Assertion: volcano | /r/HasProperty | rupture
Facets:
value: essentially
type: DEGREE
value: in the earth’s crust
type: LOCATION
value: because of gases
type: CAUSE
Source sentences:
text: A volcano is essentially a rupture in the Earth’s crust because of accumulated magma and gases below the surface.
text: A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.