1. Subduction Tectonics/Active Margin Evolution Peter Clift

2. Philippine Sea Plate, Subduction Initiation Casey and Dewey (1984)

3. Bloomer et al. (1995) Subduction Initiation

4. Initiation at a fracture zone Casey and Dewey (1984)

5. Collapse at the ridge crest?

6. Forces that resist subduction initiation McKenzie, 1977

7. Flow of asthenosphere into a crack? Turcotte et al. (1977)

8. Boninites Pearce and Parkinson (1993)

9. Metamorphic soles Jones et al. (1991) Pindos Mountains, Greece

10. Anatomy of an intra-oceanic arc

11. Subduction seismicity

12. Subduction polarity flip

13. Aegean Seismicity - backarc extension

14. Angle of descent, controling factors? Isacks and Molnar (1971)

15. Stresses in the descending slab. Isacks and Molnar (1969 )

16. Backarc rifting-Izu-Bonin Arc

17. Backarc rifting-Tonga: location of rift axis?

18. Magmatic variations during backarc rifting

19. En-echelon spreading axes, Havre Trough

20. Rift-drift transition in backarcs

21. Propagating rifts in backarc basins

22. Hydrothermalism in backarc basins

23. Different basement types and styles of hydrothermalism

24. Effect of seamount collision on arc magmatism. Magmatic gap?

25. Subduction erosion in Tonga

26. Tonga Forearc Subsidence

27. Perched basins on an erosive plate margin

28. Tonga fore-arc trench slope basin

29. Paired metamorphic belts