Assertion: gorge | /r/HasProperty | formed
Facets:
value: from geologic
type: OTHER
value: from water erosion
type: CAUSE
value: mainly
type: DEGREE
Source sentences:
text: Gorges are mainly formed because of the flow of water or lava.
text: Both canyons and gorges are formed from water erosion.
text: However, most gorges are formed from geologic uplifts caused by earthquakes and orogeny.