Figures F1-F11
Tables T1-T4

F1. Present-day tectonic setting of eastern Papua New Guinea and the Solomon Islands.

F2. Bathymetry and structures near Moresby seamount and lithostratigraphy of Sites 1108-1116.

F3. ⁴⁰Ar/³⁹Ar age spectrum and (³⁹Ar)_K/(³⁷Ar)_Ca and isochron plots for Core 180-1109D-45R.

F4. ⁴⁰Ar/³⁹Ar age spectrum and (³⁹Ar)_K/(³⁷Ar)_Ca and isochron plots for Core 180-1118A-70R.

F5. ⁴⁰Ar/³⁹Ar age spectrum and (³⁹Ar)_K/(³⁷Ar)_Ca and isochron plots for Core 180-1117A-11R.

F6. ⁴⁰Ar/³⁹Ar age spectrum and (³⁹Ar)_K/(³⁷Ar)_Ca and isochron plots for Core 180-1117-alt.

F7. Tera-Wasserburg plot for gabbro.

F8. ⁴⁰Ar/³⁹Ar age spectrum for single grain of K-feldspar (Core 180-1110B-3X).

F9. ⁴⁰Ar/³⁹Ar age spectrum for single grain of K-feldspar (Core 180-1111A-16R).

F10. Tera-Wasserburg plot of zircons.

F11. Plot of ⁴⁰Ar/³⁹Ar isochron age vs. increasing degree of alteration for plagioclase.

Tables T1-T4

T1. Summary of thermochronological results.

T2. ⁴⁰Ar/³⁹Ar analytical results.

T3. U/Pb analytical results.

T4. Apatite fission track analytical results.

Figures F1-F11
Tables T1-T4