For example, small pebbles of rock are rolled along a river-bed. 2 Deposition In deposition, sediment which was carried in transport is laid down. 3 Sedimentation Layers of sediment form on top of ...

The Coast Guard’s Regional Maritime Safety Headquarters based in Otaru, Hokkaido, said April 27 that the object turned out to be an uneven rock formation, not the Kazu I pleasure craft.