Assertion: volcano's flow | /r/CapableOf | incise against its slope
Facets:
value: in terms of direction
type: OTHER
Source sentences:
text: They form a terrace against which younger flows have since banked, heavily eroded and incised against its slope in terms of direction; this is believed to be the result of a period of erosion because of a change in the direction of lava flow caused by the volcano's prehistoric slump.