The rock cycle is a continuous process that describes the transformation of rocks through different geological stages. In essence, it does not have a definitive beginning or end; rather, it is an endless cycle.
The rock cycle encompasses three main types of rocks: igneous, sedimentary, and metamorphic. Each of these types of rocks can be transformed into one another through various processes such as melting, erosion, compaction, and metamorphism. For instance, igneous rocks can break down into sediments that create sedimentary rocks, while sedimentary rocks can undergo heat and pressure to become metamorphic rocks.
Because these processes can occur over millions of years, the rock cycle is more about the cycling and recycling of materials than about a linear progression from one stage to another. As long as Earth has geological activity, the rock cycle continues to operate, illustrating the dynamic nature of our planet.