Assertion: glacier's period | /r/HasProperty | 100,000 years
Facets:
value: during the last 800,000 years
type: TEMPORAL
Source sentences:
text: In particular, during the last 800,000 years, the dominant period of glacial–interglacial oscillation has been 100,000 years, which corresponds to changes in Earth's orbital eccentricity and orbital inclination.