What is A?

What is A?
Block B did not move, draw an arrow on the block that moved, in the direction it moves.
Draw a line over the fault.
Draw 2 lines to connect the 2 layers that moved on this fault line.
Top view
Draw a line on the fault.
Block B did not move. draw an arrow on the block that moved, in the direction it moves.
What is B?
What is C?
What is B?
What is C?