Assertion: basaltic lava | /r/CapableOf | course to the west
Facets:
value: for at least 6.2 miles
type: TEMPORAL
Source sentences:
text: Roughly 215,000 years ago, another flank vent erupted dacitic lava that coursed to the west for at least 6.2 miles (10 km), with volcanic dikes that trend toward the vent still present in the Mazama caldera wall.