A(n)________ is a thick accumulation of sediments and small, rootless, tectonic blocks formed of material scraped off a descending, lithospheric plate.
A)mass movement complex
B)continental shelf, terrain complex
C)accretionary-wedge complex
D)subterranean-accumulation complex

Question

Quizplus · Accepted Answer

The description matches that of an accretionary-wedge complex, which is formed at a convergent plate boundary where sediments and small blocks are scraped off the subducting plate and accumulate to form a thick mass.

A(n)________ Is a Thick Accumulation of Sediments and Small, Rootless