Assertion: oceanic crust | /r/HasProperty | thin
Facets:
value: very
type: DEGREE
value: under 10 km
type: LOCATION
value: relatively
type: DEGREE
Source sentences:
text: Oceanic crust is thin and young -- no more than about 20 km thick and no older than about 180 million years.
text: Oceanic crust, being so thin, is a very small fraction of the Earth -- about 0.1 percent -- but its life cycle serves to separate the contents of the upper mantle into a heavy residue and a lighter set of basaltic rocks.
text: Oceanic crust is thin (3–4.3 mi [5–7 km]), basaltic (<50% SiO 2 ) and dense.
text: The oceanic crust is relatively thin and lies above the mantle.
text: Oceanic crust is very thin (usually under 10 km), and is composed of dense, typically dark (mafic) rocks: basalt, gabbro, diabase.
text: Oceanic crust is thin and very dense