(Table S1) Age determination of Emperor Seamounts basement

The Hawaiian-Emperor hotspot track has a prominent bend, which has served as the basis for the theory that the Hawaiian hotspot, fixed in the deep mantle, traced a change in...夏威夷-帝王热点轨迹（Hawaiian-Emperor hotspot track）存在一处显著的拐点，该特征为“固定于深部地幔的夏威夷热点曾经历某一变化”这一理论提供了依据。