Metamorphic rocks can indicate the physical conditions that once existed in a geological setting.

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Metamorphic rocks are formed from pre-existing rocks through the process of metamorphism, which involves changes in mineral composition and texture in response to heat, pressure, and chemically active fluids. The characteristics of metamorphic rocks, such as their mineral assemblage and texture, can therefore provide valuable information about the temperature, pressure, and chemical conditions that were present during their formation.

Metamorphic Rocks Can Indicate the Physical Conditions That Once Existed