Assertion: hot spot | /r/CapableOf | drift over time
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text: Drill samples, collected by scientists as far back as 1963, suggest that the hotspot may have drifted over time, at the relatively rapid pace of about 4 centimeters (1.6 in) per year during the late Cretaceous and early Paleogene eras (81-47 Mya); in comparison, the Mid-Atlantic Ridge spreads at a rate of 2.5 cm (1.0 in) per year.