Question

The block of rock that forms the lower half of a fault is called the ______.

Answer 1

It is called the Footwall.

A fault is a gently curved fracture in the rocks of the earth’s crust. It is where compressional forces cause relative displacement of the rocks on the opposite side of the fracture. Faults may be horizontal, vertical, or inclined in a particular angle. For a dipping fault (when rocks slip past each other), the foot wall is the block positioned under it and forms at the lower half of a fault

Answer 2

The block of rock is called a footwall