Figure F4. History of the West Philippine Basin (WPB) A. Interpretation of magnetic anomalies of the WPB (Hilde and Lee, 1984); figure is modified after Deschamps et al. (2002). B. Schematic tectonic history for the Oki-Daito province and WPB from Ishizuka et al. (2013). C. Evolutionary model of the WPB at 50 Ma (adapted from Deschamps and Lallemand, 2003). D. Paleogeodynamic reconstruction of the western Pacific after Jolivet et al. (1989), based on the “trapped basin model” for the generation of the WPB. AP = Amami Plateau, DR = Daito Ridge, EM-2 = enriched mantle 2, OIB = ocean island basalt, CBF = Central Basin Fault, OD = Oki-Daito Ridge, PAC/AUS = Pacific plate/ Australian plate.
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