Metamorphism Basics
Metamorphic Rocks
Processes
Texture & Features
BC / Earth Examples
100
What is metamorphic rock?
The type of rock formed when heat and pressure change an existing rock
100
What is marble?
A metamorphic rock formed from limestone
100
What is pressure?
The force that squeezes rocks during metamorphism
100
What is foliation?
This term describes layered bands in metamorphic rocks
100
What are the Rocky Mountains?
This mountain range in BC formed from tectonic pressure
200
What is a parent rock (protolith)?
The original rock before metamorphism
200
What is slate?
A metamorphic rock formed from shale
200
What is contact metamorphism?
Metamorphism caused by nearby magma
200
What are non-foliated rocks?
Metamorphic rocks that do NOT have layers
200
What is slate?
A common metamorphic rock used for roof tiles
300
What are chemically active fluids?
The three main agents of metamorphism include heat, pressure, and this
300
What is quartzite?
A very hard metamorphic rock formed from sandstone
300
What is phase change?
The process where minerals change form but keep the same chemistry
300
What is mineral alignment?
Alignment of minerals caused by pressure
300
What is marble?
A metamorphic rock commonly used in sculptures
400
What is regional metamorphism?
The type of metamorphism that occurs over large areas during mountain building
400
What is schist?
A shiny metamorphic rock formed from shale
400
What is hydrothermal activity?
The movement of fluids through rock during metamorphism
400
What is crystalline texture?
This texture has visible mineral crystals but no layering
400
Who is Michelangelo?
A famous marble statue created by this Renaissance artist
500
What is dynamic metamorphism?
Metamorphism that occurs mainly from intense pressure along faults
500
What is gneiss?
A banded metamorphic rock formed from granite
500
What is recrystallization?
The process where minerals recrystallize under heat and pressure
500
What is gneiss?
The sequence of shale → slate → phyllite → schist → this rock
500
What is the Canadian Shield?
The Canadian Shield contains many of these very old metamorphic rocks