Assertion: rift valley | /r/HasProperty | long
Facets:
Source sentences:
text: Rift valleys are long, narrow depressions on the earth surface bounded by more or less parallel faults.
text: The Great Rift Valley is the largest rift valley on Earth: a long depression in Southwest Asia and East Africa caused by the movement of tectonic plates, largely beginning during the Oligocene epoch.
text: Rift valleys are long, narrow depressions on the earth surface bounded by more or less parallel faults.