Extended Data Fig. 1: Map of International Ocean Discovery Program (IODP) Site U1516 (yellow circle).
From: Abrupt episode of mid-Cretaceous ocean acidification triggered by massive volcanism

Additional sites cored during IODP Expedition 369 in the Mentelle Basin offshore southwest Australia are displayed (modified from108). Bathymetric contour interval of 500 meters. DSDP = Deep Sea Drilling Program.