Assertion: moon's composition | /r/MadeOf | phyllosilicate
Facets:
value: mainly
type: DEGREE
Source sentences:
text: Observations of Phobos in the thermal infrared suggest a composition containing mainly phyllosilicates, which are well known from the surface of Mars.
text: Observations of Phobos in the thermal infrared suggest a composition containing mainly phyllosilicates, which are well known from the surface of Mars.