“…Sediment compositions for the Pacific Plate in the vicinity of the IBM arc are represented by average volcaniclastic sediments (V) and clay (CL) from Pearce et al [1999] and Elliott et al [1997]. NHRL in b) and d) is the Northern Hemisphere Reference Line from Hart [1984], and the Indian-Pacific boundary in c) is from Pearce et al [1999] [Bonev and Stampfli, 2009], Troodos [Dilek and Furnes, 2009;Flower and Levine, 1987], Pindos [Saccani and Photiades, 2004], Semail (Oman) [Alabaster et al, 1982;Ishikawa et al, 2002;Rollinson, 2009], Kizildag [Dilek and Thy, 2009]), Karmoy ophiolite (Norway) [Pedersen and Hertogen, 1990] and the Papuan ultramafic belt (PUB) [Jaques and Chappell, 1980]. RD63 plutonics are from southern Mariana forearc (this study [Dilek and Thy, 2009;Dilek and Furnes, 2009].…”