Fig. 2: Temporal variations of rates of age progression along the Ninetyeast Ridge, the Indian–Antarctic spreading, and the India–Eurasia convergence.
From: Earth’s longest preserved linear volcanic ridge generated by a moving Kerguelen hotspot

A Bathymetric map of the Ninetyeast Ridge. The bathymetric map was generated using GeoMapApp73 (www.geomapapp.org), https://creativecommons.org/licenses/by/4.0/. B Temporal variation of progression rates of volcanism along the Ninetyeast Ridge. C Spreading rate of the Indian–Antarctic spreading ridge vs time based on magnetic anomaly and fracture zone data49,74. D Convergence rate between India and Eurasia vs time75.