Metamorphic rock forms deep within the Earth's crust when existing Rock is transformed by intense heat and pressure. This process recrystallizes minerals, creating new structures unlike its original Igneous or Sedimentary parent rock.
Metamorphic rock forms deep within the Earth's crust when existing Rock is transformed by intense heat and pressure. This process recrystallizes minerals, creating new structures unlike its original Igneous or Sedimentary parent rock.