Assertion: basaltic magma | /r/CapableOf | originate by melting of rocks
Facets:
value: in the mantle
type: LOCATION
Source sentences:
text: Most mafic magma originates by melting of rocks in the mantle that are extremely rich in iron and magnesium.
text: Most mafic magma originates by melting of rocks in the mantle that are extremely rich in iron and magnesium.