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The rock cycle is a basic concept in geology that describes transitions through geologic time among the three main rock types: sedimentary, metamorphic, and igneous. Each rock type is altered when it is forced out of its equilibrium conditions.
The rock cycle is the natural, continuous process that forms, breaks down, and reforms rock through geological, chemical, and physical processes. Through the cycle, rocks convert between igneous, metamorphic, and sedimentary forms.
The rock cycle is the process that describes the gradual transformation between the three main types of rocks: sedimentary, metamorphic, and igneous. It is occurring continuously in nature through geologic time.
What is the rock cycle? Rocks can be: (1) made of minerals, each of which has a specific crystal structure and chemical composition; (2) made of pieces of other rocks; (3) glassy (like obsidian); or, (4) contain material made by living organisms (for example coal, which contains carbon from plants).
The rock cycle is a series of processes that create and transform the types of rocks in Earth’s crust.
The rock cycle is a web of processes that outlines how each of the three major rock types—igneous, metamorphic, and sedimentary—form and break down based on the different applications of heat and pressure over time.
The rock cycle is a natural process that describes how rocks are formed, broken down, and transformed into different types of rocks over time. It involves various geological processes such as weathering, erosion, deposition, compaction, cementation, melting, crystallization, and uplift.
The rock cycle is driven by two forces: (1) Earth’s internal heat engine, which moves material around in the core and the mantle and leads to slow but significant changes within the crust, and (2) the Sun which powers the hydrological cycle, moving water, wind and air along Earth’s surface.
The rock cycle is not like the life cycle of an organism where a rock must pass through all of the processes or stages, and in a particular order. The rock cycle is more like a choose-your-own-adventure.
Look at the diagram to get a better understanding of all the different processes of the rock cycle. These include weathering, erosion, transportation and sedimentation.