Assertion: flood | /r/CapableOf | carve large bedrock-floored valley
Facets:
value: as destroying the isthmus
type: MANNER
Source sentences:
text: As well as destroying the isthmus that connected Britain to continental Europe, the flood carved a large bedrock-floored valley down the length of the English Channel, leaving behind streamlined islands and longitudinal erosional grooves characteristic of catastrophic megaflood events.