Assertion: archipelago's island | /r/HasProperty | igneous rocks
Facets:
value: with volcanic structures
type: OTHER
value: geologically
type: OTHER
value: with pyroclastic debris
type: OTHER
value: principally
type: OTHER
Source sentences:
text: Geologically, the islands, covering a combined area of slightly over 4,033 square kilometres (1,557 square miles), are principally composed of igneous rocks, with volcanic structures and pyroclastic debris comprising the majority of the archipelago's total volume.