Assertion: sill's rock | /r/CapableOf | display crystal
Facets:
value: generally
type: DEGREE
value: because of the rapid cooling environment
type: CAUSE
Source sentences:
text: These extrusive rocks are formed from magma at or above the surface of the planet, and generally display smaller mineral crystals, or no crystals at all, because of the rapid cooling environment in which they form.
text: These extrusive rocks are formed from magma at or above the surface of the planet, and generally display smaller mineral crystals, or no crystals at all, because of the rapid cooling environment in which they form.