Assertion: ridge | /r/CapableOf | migrate at 7.5 cm
Facets:
value: until 10.8 ma
type: TEMPORAL
Source sentences:
text: The speed of migration has slowed over time, with the ridge migrating at 7.5 cm (3.0 in) per year until 10.8 Ma, then slowing to 6.1 cm (2.4 in) per year from 10.8-4.9 Ma.