accretionary wedge

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English[edit]

English Wikipedia has an article on:
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Noun[edit]

accretionary wedge (plural accretionary wedges)

  1. (geology) The accumulation of surface sediment formed between a subducting oceanic crustal plate and a continental tectonic plate, as it is scraped from off the top of the oceanic crustal plate.

Synonyms[edit]

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