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metamorphic rocv its defination and name

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Metamorphic rock Facts for Kids - Kiddle encyclopedia A metamorphic rock is a type of rock which has been changed by extreme heat and pressure.Its name is from 'morph' (meaning form), and 'meta' (meaning change). The original rock gets heated (temperatures greater than 150 to 200 °C) and pressured (1500 bars).This causes profound physical and/or chemical change. The Rock Cycle - imnh.iri.isu.edu The rock cycle is a model that describes the formation, breakdown, and reformation of a rock as a result of sedimentary, igneous, and metamorphic processes. All rocks are made up of minerals. A mineral is defined as a naturally occurring, crystalline solid of definite chemical composition and a characteristic crystal structure. How Metamorphic Rocks are Formed - ScienceStruck The process by which metamorphic rocks are formed by transformation of an existing rock type is referred to as 'metamorphism'. A technically sound definition of metamorphism would be the recrystallization of an existing rock as a result of the physical and chemical changes in its surroundings without changing its solid state.    Read More

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