(also accretionary wedge)
A mass of sedimentary material scraped off a region of oceanic crust during subduction and piled up at the edge of a continental crustal plate.
Más ejemplos en oraciones
- There is a continuing loss of some sediment into the mantle at subduction zones, although the ‘conveyor-belt’ system of plate tectonics ensures that most sediment is added to the accretionary wedge of the overriding plate.
- This assemblage is interpreted as the accretionary prism of an active continental margin.
- The most widely accepted view is that of an accretionary prism developed above an active subduction zone.
Definición de accretionary prism en:
- el diccionario Inglés de EE.UU.