Mountain belts Flashcards
1
Q
What is strain in geology?
A
The change in shape or size of a rock due to stress
2
Q
Which type of deformation is reversible when stress is removed?
A
Elastic
3
Q
What type of fold is arched upwards like an A-shape?
A
Anticline
4
Q
A fault is defined as:
A
A fracture along which movement has occurred
5
Q
In a normal fault, the hanging wall:
A
Moves down relative to the footwall
6
Q
What type of fault occurs when the hanging wall moves up and the dip is less than 45°?
A
Thrust fault
7
Q
A right-lateral (dextral) strike-slip fault moves how?
A
The opposite side moves to the right
8
Q
What is the term for the process of mountain building?
A
Orogenesis
9
Q
The Himalayas formed due to the collision of:
A
India and Eurasia
10
Q
What does the Wilson Cycle describe?
A
Opening and closing of ocean basins
