What sedimentary process is mainly responsible for the accumulation of up to 9 kilometres of sediment in deep ocean trenches?
A) pelagic, biogenous ooze slowly settling from the top of the water column
B) sunken or subsided coral reefs
C) offshore dumping of unending bargeloads of garbage from major cities
D) turbidity currents and submarine landslides from the continental slope and trench walls

Question

Quizplus · Accepted Answer

Turbidity currents and submarine landslides from the continental slope and trench walls are primarily responsible for the accumulation of significant amounts of sediment in deep ocean trenches. These processes transport sediments from shallower areas to the deep ocean, contributing to the thick sediment layers found in these regions.

What Sedimentary Process Is Mainly Responsible for the Accumulation of Up