How the crust is deformed
How the crust is deformed pt 2
Results of stress
Results of stress pt 2
Mountain Formations
100
What is isostatic adjustment?
The up and down movements of the crust to reach isostasy
100
Changes in the shape and volume, or size of rocks that occur due to stress is called?
Strain
100
When rocks responds to stress by becoming permanently deformed without breaking the result is?
Folding
100
When there is a break and rock move, what is it called?
A fault
100
A group of adjacent mountains with the same general shape and structure is called a?
Mountain Range
200
What is isostasy?
The balancing of the forces between the mantle (pushing up) and the crust (pushing down).
200
What type of stress occurs when crustal rocks are squeezed together?
Compression
200
This type of fold creates gently dipping bends in horizontal rock.
Monoclines
200
This type a fault is one that occurs and the fault plane is almost vertical.
Normal Fault
200
The largest mountain sytems are part of two larger systems called mountain _________?
belts
300
What is deformation?
The bending, tilting, and breaking of the Earths crust
300
What type of stress occurs when rocks are pulled apart?
Tension
300
This type of fold creates upcurved folds in the layers of rock.
Anticlines
300
The rocks above the fault plane is called the _________ Plane.
Hanging
300
When oceanic crust collides with ocean crust, what type of mountains are formed? (Fiji Islands)
Volcanic Mountains
400
What is a geosyncline?
A very thick accumulation of deposits from a river into a larger body of water causing the floor to sink.
400
What type of stress occurs when rocks are pushed in opposite horizontal directions?
Shearing
400
This type of fold creates downcurved folds in the layers of rock.
Syncline
400
The rocks below a fault plane is called the ________wall
Foot
400
Name one of the four types of mountain types.
Folded mountains, Fault-block, Volcanic, Dome
500
What is stress?
A force that applies pressure to the rocks in the crust.
500
Name all three types of stress.
Shearing, compression, and tension
500
When there is no movement in the rocks along either side of a break, what is it called?
A fracture
500
This fault occurs when compression causes the hanging wall to move up relative to the footwall.
Reverse fault
500
What type of crust collision occurs to form a Folded mountain?
Continents colliding, continental crust.
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