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Review
Metamorphism
Foliated Rocks
Non-foliated Rocks
100
Pieces of older rocks or minerals that re-formed as water evaporated. Remains of plants/animals/shells.
What is how sedimentary rocks form.
100
This happens when heat and/or pressure increases.
What is metamorphism?
100
The bands in a rock change as this occurs.
What is foliation?
100
Some __________ ______ may not show foliation.
What are metamorphic rocks?
200
Molten rock, lava, or magma.
What is how do igneous rocks form?
200
This causes a rock's minerals to flatten.
What is pressure?
200
At low levels of metamorphism the bands are this.
What is thin
200
The rock may be composed of this.
What is one mineral?
300
A rock that reacts with acid.
What is limestone?
300
This causes a rock's individual minerals to grow.
What is recrystallization?
300
As temperature and pressure increase the rock appears _____.
What is shiny?
300
Another reason that rocks don't show foliation is that the rocks did not form under ______ ______.
What is high pressure?
400
A rock that forms from ancient plants.
What is coal?
400
Recrystallization can cause these to form in place of the older ones.
What are new minerals?
400
As temperature and pressure increase, the minerals separate into ____ and____ bands.
What are dark and light bands?
400
This rock is used as a decorative stone.
What is marble?
500
Particles are cemented together to form rocks.
What is one way that sedimentary rocks form?
500
Slate, phyllite, schist, and gneiss.
What are the rocks that form as shale is subjected to metamorphism?
500
An arrangement of minerals in flat or wavy parallel bands.
What is foliation?
500
Marble does not split into ______.
What are layers?