How is it that basaltic rocks from seamounts and oceanic plateaus, along with their sedimentary caps, can get accreted to a continental margin rather than being subducted along with the rest of the basalts and sediments on the downgoing plate?

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The Answer of How is it that basaltic rocks from seamounts and oceanic plateaus, along with their sedimentary caps, can get accreted to a continental margin rather than being subducted along with the rest of the basalts and sediments on the downgoing plate?

How Is It That Basaltic Rocks from Seamounts and Oceanic