Hanging wall and footwall.
In a fault the hanging wall.
Fault plane is called the hanging wall or headwall.
The two sides of a non vertical fault are known as the hanging wall and footwall.
This terminology comes from mining.
A n fault forms when the hanging wall moves down relative to the footwall a.
When working a tabular ore body the miner stood with the footwall under his feet and with the hanging wall above him.
The fault strike is the direction of the line of intersection between the fault plane and earth s surface.
The block below is called the footwall.
This is true of normal faults.
In thrust or reverse faults the hanging wall moves up relative to the footwall and in strike slip faults it moves horizontally relative to the footwall.
The mass of rock overlying a mineral deposit in a mine.