Assertion: volcanic ash | /r/HasProperty | formed
Facets:
value: during explosive volcanic eruptions
type: TEMPORAL
value: during volcanic explosions
type: TEMPORAL
value: from avalanches of hot rock
type: CAUSE
value: during transport in pyroclastic density currents
type: TEMPORAL
Source sentences:
text: Volcanic ash is formed during explosive volcanic eruptions when dissolved gases in magma expand and escape violently into the atmosphere.
text: Volcanic ash is formed during explosive volcanic eruptions, phreatomagmatic eruptions and during transport in pyroclastic density currents.
text: It is formed during volcanic explosions, from avalanches of hot rock that flow down the side of volcanoes, or from red-hot liquid lava spray.