Doubts & Discussion › How to differentiate between joints and fracture in an outcrop? 0 Vote Up Vote Down Suryansha asked 5 years ago 1 Answers 0 Vote Up Vote Down GeoCon Staff answered 5 years ago Joints are a type of fracture. There are two types of fracture: A joint is a fracture along which no movement has taken place, usually caused by tensional forces. A fault is a fracture or break in the rock along which movement has taken place.