Assertion: caldera | /r/HasProperty | filled with pumice
Facets:
value: partly
type: DEGREE
value: from the eruption
type: TEMPORAL
Source sentences:
text: Caldera has been partly filled with pumice and ash from the eruption shown in C and with blocks of rock from the caldera walls; weak, dying explosions within the caldera deposit ash on the caldera rim; pyroclastic-flow deposits develop fumaroles and gradually cool.