Carbonate and Thorium concentrations of South Atlantic sediments

Rates of sedimentation of pelagic sediments in the South Atlantic have been determined using the ionium/thorium methodology. Values of the order of several millimeters per...南大西洋远洋沉积物（pelagic sediments）的沉积速率已通过离子钍/钍（ionium/thorium）测年法得以测定，其数值量级约为每……数毫米