Metamorphic Rocks Flashcards
(6 cards)
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.