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(c)
Distance along profile (km)
(e)
(d)
Distance along profile (km)
Part of line 84-02
Part of line 89-06
Figure 9.62. ( cont. )
associated with water lost from the subducting plate. Another interpretation is
that the wedge structure is tectonically underplated oceanic lithosphere. Such
underplating could have been a continuous process, scraping off slivers of oceanic
crust, or it could have occurred rapidly if the subduction zone jumped westwards.
Nevertheless, it should be stressed that, however convincing any schematic model
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