Rock, Definition, Characteristics, Formation, Cycle, Classification, Types, & Facts

Rock, in geology, naturally occurring and coherent aggregate of one or more minerals. Such aggregates constitute the basic unit of which the solid Earth is composed and typically form recognizable and mappable volumes. The three major classes of rock are igneous, sedimentary, and metamorphic rock.

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Rock, Definition, Characteristics, Formation, Cycle, Classification, Types, & Facts

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Rock, Definition, Characteristics, Formation, Cycle

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