heat and pressure beneath Earth's surface can change a rock into metamorphic rock.
A metamorphic rock forms by heat and pressure
regional metamorphism
The melting of metamorphic or igneous rock forms magma.
A foliated metamorphic rock forms when crystals combine and form visible bands
metamorphic because it melts the rock and forms another
metamorphic rock
Metamorphic rock is formed when Igneous rock and Sedimentary rock go through intense heat and pressure.
A "metamorphic" rock forms.
cools and hardens
A metamorphic rock.
Metamorphic and sedimentary
Tourmaline is not a metamorphic rock; it is a crystalline mineral that can be found in igneous, metamorphic, and sedimentary rocks. It forms in a variety of geological environments and is prized for its colorful varieties used in jewelry.