Fault Hanging Wall Footwall

The fault plane is where the action is.

Fault hanging wall footwall.

The mass of rock underlying a mineral deposit in a mine. In fault fault plane is called the hanging wall or headwall. The block below is called the footwall. In a non vertical fault where the fault plane dips the footwall is the section of the fault that lies under the fault while the hanging wall lies over the fault.

The line it makes on the earth s surface is the fault trace. Quite often the ore that a miner wants to get to is sitting right on that inclined plane the ore is in the fault. The underlying block of a fault having an inclined fault plane. Draw a normal and reverse fault label the hanging wall and footwall for each also show how they move for each fault.

Mainly because the names hanging wall and footwall were named by miners who weren t trying to be cute. American heritage dictionary of the english language fifth edition. The block below is called the footwall. When rocks slip past each other in faulting the upper or overlying block along the fault plane is called the hanging wall or headwall.

The main components of a fault are 1 the fault plane 2 the fault trace 3 the hanging wall and 4 the footwall. Reverse faults indicate compressive shortening of the crust. The fault strike is the direction of the line of intersection between the fault plane and earth s surface. Most faults broken places are essentially inclined planes like this.

When the fault plane is vertical there is no hanging wall or footwall. The fault strike is the direction of the line of intersection between the fault plane and earth s surface. Where the fault plane is sloping as with normal and reverse faults the upper side is the hanging wall and the lower side is the footwall. The names come about from the.

The terminology of normal and reverse comes from coal mining in england where normal faults are the most common. A reverse fault is the opposite of a normal fault the hanging wall moves up relative to the footwall.