Figure 10. Site 999 paleolatitudes from discrete samples (open circles). Also shown are the unbiased mean paleolatitudes (squares) and their standard errors (bars). The weighted best-fit line, with a fixed intercept at the present latitude of Site 999, is fit through the mean paleolatitudes. The slope of the line is -0.0081°/m, which corresponds to a rate of northward motion of ~14 km/m.y.