Back-arc region

A back-arc above a subduction zone

The back-arc region is the area behind a volcanic arc.[1] In island volcanic arcs, it consists of back-arc basins of oceanic crust with abyssal depths, which may be separated by remnant arcs, similar to island arcs.[1] In continental arcs, the back-arc region is part of the continental platform, either dry land (subaerial) or forming shallow marine basins.[1]

  1. ^ a b c Moores, Eldridge M.; Twiss, Robert J. (1995). Tectonics. W. H. Freeman and Company. p. 157. ISBN 978-0-7167-2437-7.

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