Fig. 1: Tectonic setting of the Southern Atlantic and Southwestern Indian oceans. | Nature Communications

Fig. 1: Tectonic setting of the Southern Atlantic and Southwestern Indian oceans.

From: Ghost-arc geochemical anomaly at a spreading ridge caused by supersized flat subduction

Fig. 1

Map indicating the location of the Southern Atlantic-Southwest Indian ridges subduction-modified mantle12,19, paleo-trench locations at 200 and 300 Myr ago34, the tectonomagmatic record of the South Gondwana flat slab42, and the subduction-related domain of the Southern Karoo magmatic province25. Age grid is taken from the GPlates Portal (https://www.portal.gplates.org/). SA South American plate, AF African plate, and ANT Antarctic Plate.

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