This introduction to the rock cycle features an introduction to the three major rock types (igneous, sedimentary, metamorphic) and a simplified diagram of the rock cycle. Links provide access to more detailed information, featuring examples, descriptions, and photographs of each type. Igneous rocks are described on the basis of method of formation and mineral composition. Sedimentary rocks are classified as clastic or non-clastic. The metamorphic rock section describes their formation and has links for foliated and non-foliated textures.
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