Assertion: lithosphere's crust | /r/HasProperty | mafic
Facets:
value: in geologist's shorthand
type: OTHER
value: generally
type: DEGREE
value: in character
type: OTHER
Source sentences:
text: The continental crust is mafic to felsic in constitution, while the oceanic crust is generally mafic.
text: Changes in seismic wave velocities have shown that at a certain depth (the Conrad discontinuity), there is a reasonably sharp contrast between the more felsic upper continental crust and the lower continental crust, which is more mafic in character.
text: The continental crust is mafic to felsic in constitution, while the oceanic crust is generally mafic.
text: In geologist's shorthand, oceanic crust is mafic while oceanic mantle is ultramafic.
text: The oceanic lithosphere is comprised of mafic crust and ultramafic mantle.
text: Oceanic lithosphere consists mainly of mafic crust and ultramafic mantle (peridotite) and is denser than continental lithosphere, for which the mantle is associated with crust made of felsic rocks.