Quote:
Originally Posted by Richard Holle
India has slammed into China, on it's way out of antarctic waters, now Australia is headed for Japan, sweeping the denser Indonesian islands into the subduction process, any mineral deposits we do not mine in the next 10 million years will be sucked under.
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The vast majority of subducted crust is oceanic. Continental crust tends to clog up the trench. The Indonesian islands will just be accreted to a continental landmass. See, for example, the US state of California.