Metamorphic Rocks Flashcards
How are metamorphic rocks formed?
Metamorphic rocks are formed from other rocks which change due to heat or pressure.
What is the first step in forming a metamorphic rock?
Earth movements cause rocks to be deeply buried or compressed.
What is the second step in forming a metamorphic rock?
The rocks are heated and that puts them under great pressure.
What is the third step in forming a metamorphic rock?
The minerals they contain are changed chemically and form metamorphic rocks.
What are the uses of metamorphic rock?
Decorative uses, Roof tiles.
What two factors can make a rock change to form a metamorphic rock?
Heat and pressure are needed in order for one rock to turn into a metamorphic rock.