Assertion: mantle | /r/HasProperty | perovskite
Facets:
value: mainly
type: DEGREE
Source sentences:
text: The lower mantle is mainly composed of three components, bridgmanite, ferropericlase and calcium-silicate perovskite (CaSiO 3 -perovskite).
text: The lower mantle is mainly composed of three components, bridgmanite, ferropericlase and calcium-silicate perovskite (CaSiO 3 -perovskite).
text: The lower mantle is mainly composed of three components, bridgmanite, ferropericlase and calcium-silicate perovskite (CaSiO 3 -perovskite).