Question

Which is the rare type of fault?

(a) Vertical fault

(b) Reverse fault

(c) Thrust fault

(d) Hinge fault

The question was posed to me in an internship interview.

The origin of the question is Classification of Faults in section Faults and Faulting of Engineering Geology

Answer 1

Right choice is (d) Hinge fault

Explanation: In hinge faults, the amount of displacement increases away from the hinge point. These are rather rare type of faults.