Respuesta :
Answer:
An accumulation of different sedimentary and metamorphic rocks combined with scraps of ocean crust is called an accretionary wedge.
ANSWER:
Accretionary wedge is the accumulation of metamorphic and sedimentary rocks combines with "scraps of ocean crust".
EXPLANATION:
- The sediments get accreted onto a tectonic plate which is non-subducting in nature. Most of the components of accretionary wedge include marine sediments and also erosional products of volcano island arcs.
- Tectonic collisions are the reason for the formation of accretionary wedges. The shape of an accretionary wedge is usually a triangle and continues to grow in size when it reaches critical taper.
