Sedimentary rocks form through the deposition and compaction of sediments over time. However, these rocks can also break down and erode over time due to various processes such as weathering, erosion, and transportation. These smaller pieces of sedimentary rocks can then be transported to another location by various agents such as water, wind, or ice. This process of erosion, transportation, and deposition can lead to the formation of new sedimentary rocks in another location, repeating the cycle of sedimentary rock formation and breakdown.

An example of this process is the formation and breakdown of sandstone. Sandstone is a sedimentary rock formed through the deposition and compaction of sand grains. Over time, sandstone can be subjected to weathering processes such as physical weathering (such as temperature changes and freezing-thawing cycles) and chemical weathering (such as the dissolution of minerals by water). These processes can cause the sandstone to break down into smaller grains and particles. These smaller particles can then be transported by water or wind to another location, where they can be deposited and eventually compacted to form new sandstone.