Assertion: muscovite's impurity | /r/CapableOf | alter to mica
Facets:
value: during high grade metamorphism
type: TEMPORAL
value: commonly
type: TEMPORAL
Source sentences:
text: Impurities within sandstones commonly alter to mica during high grade metamorphism.
text: Impurities within sandstones commonly alter to mica during high grade metamorphism.