33o magnetic anomalies (red circles) plotted on marine gravity anomalies. Blue circles are SAM 33o anomalies from the western ridge flank rotated to AF via the SAM 33o rotation, and red dots with 95% confidence regions (white) are rotated from the MAL plate via the SAM-AF 33o-28y stage rotation. This stage rotation brings points into the wrong spreading corridors (e.g., A has moved to A'), and the confidence regions do not encompass 33o anomalies on the AF plate. The SAM-AF 33o-28y stage rotation does not fit these data in the Agulhas Basin.

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