Assertion: obsidian | /r/CapableOf | begin after volcano's dramatic eruptions
Facets:
value: into the air
type: TRANSITIVE-OBJECT
value: probably
type: DEGREE
Source sentences:
text: West Mexico's obsidian probably began as lava oozing out of cracks in the side of Tequila Volcano several million years ago, well after the volcano's more dramatic eruptions into the air.