'As the name implies, this type of rock, like slate, has been transformed by heat & pressure deep in the Earth'
metamorphic
THE REAL MIDDLE EARTH: As the name implies, this type of rock, like slate, has been transformed by heat & pressure deep in the Earth
As the name implies, this type of rock, like slate, has been transformed by heat & pressure deep in the Earth
As the name implies, this type of rock, like slate, has been transformed by heat & pressure deep in the Earth
THE REAL MIDDLE EARTH
metamorphic
THE REAL MIDDLE EARTH