Fig. 5
Equal area plots of ChRM directions (setpoints, blue circles) of the Anisian and the Rhaetian samples (upper panel), including their means and confidence (dotted circle), and error in declination ΔDx (shaded area). Lower panel shows the setpoints plus the great circle solutions (purple circles) according to McFadden and McElhinny (1988), including their means (green circles) and confidence (red ellipses)