Assertion: basalt | /r/HasProperty | important
Facets:
value: very
type: DEGREE
value: within metamorphic belts
type: LOCATION
Source sentences:
text: As you can see, basalt is extremely important, and due to its abundance, the human race has benefited a lot.
text: Basalt is a very important rock.
text: Basalts are important rocks within metamorphic belts, as they can provide vital information on the conditions of metamorphism within the belt.