The two most likely locations for sediments to accumulate on an Aleutian margin are in the trench and on the edges of the arc.

Question

Quizplus · Accepted Answer

Sediments tend to accumulate in the trench due to subduction of the Pacific plate beneath the North American plate. Sediments also accumulate on the edges of the arc due to erosion and deposition from rivers and glaciers. Therefore, both locations are likely for sediment accumulation on an Aleutian margin.

The Two Most Likely Locations for Sediments to Accumulate on an Aleutian