Assertion: rift valley | /r/HasProperty | formed
Facets:
Source sentences:
text: After subsidence a depression with steep fault scarp sides i.e. a rift valley is formed.
text: c) Central block stays in place and a rift valley is formed.
text: The rift valley was formed when the continents divided it split open a large area in Africa and formed The Great Rift Valley.
text: This rift valley was formed when the Earth's crust moved downward about a kilometre between two major fault zones known as the Mattawa and Petawawa faults.