Assertion: cave's formation | /r/HasProperty | described
Facets:
value: from an insider perspective
type: OTHER
value: at first
type: TEMPORAL
value: as the essential geologic time markers
type: OTHER
Source sentences:
text: Formations were at first described as the essential geologic time markers, based on their relative ages and the law of superposition.
text: The formation of the Cave Research Foundation is described from an insider perspective.
text: The formation of the Cave Research Foundation is described from an insider perspective.