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 ideal setup often involves three layers of different rock grades, each with its specific role in creating a solid, well-drained, and long-lasting driveway. Read more: 50 Small Backyard ...