What is metamorphic rocks ?
What makes a rock metamorphic
when it changes form
What can each layer of Foliated rocks be?
Each layer can be as:
thin as a sheet of paper.
meter in thickness.
How do they form?
Non Foliated rocks form when pressure is built up.
How are marbles formed
By limestone that is subject to heat and pressure
How does foliation work?
When a rock is foliated it means that it has been exposed to extreme heat and pressure causing it to form different layers.
Non- Foliated rocks are...
Not layered
How is marble fine?
Marbles fine in even grain can be cut into thin slabs or carved into shapes
Where does the word Foliated come from
The word comes from Latin, which means “leaf”.
Common Foliated rocks.
Some common foliated rocks are marble, quartzite, and hornfels.
How can Marble be used?
For building and sculptures.
What causes rocks to change into foliated rocks?
When pressure squeezes the flat or elongated minerals within a rock they become aligned.
What is inside a non-foliated rock?
Inside of non-foliated rocks is mostly just one mineral.
Is slate foliated?
Yes, it is foliated because it slips into flat pieces.
Shale is similar to what?
Shale is a similar to shale but just a more denser more compact version of shale.
What can you use non-foliated rocks for?
You can use marble and gneiss for walls or countertops.
You could also use slate for roofing, flooring, and also grave stones.
Kyanite is mined as refractories that can withstand high temperatures.
How can slate be used?
Slate can be used for flooring, outdooring, walkways, chalkboards, and as a trim for stone buildings.