Atlantic ocean floor

Bathymetry and geophysical properties of the Atlantic Ocean, including, on the top left, the bathymetry (GEBCO 2019; http://www.gebco.net), on the top right, the total sediment thickness (Straume et al. 2019), on the bottom left, the age of the oceanic lithosphere (Straume et al. 2019), and on the bottom right, the residual bathymetry (Straume et al. 2019). The data comparison reveals an anomalous basement depth with respect to predicted thermal subsidence of oceanic lithosphere from a half-space cooling model, which is computed using the bathymetry, sediment thickness and oceanic lithospheric age grids.

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