👉 The term "cline" is a mathematical concept in the field of geology, specifically in the study of fault lines. A fault line is a continuous segment of rock that has undergone a deformation due to movement or pressure within the Earth's crust. Fault lines are important for understanding the way rocks move and deform under different pressures and forces. The cline is defined as the continuous segment of rock formed by two opposing faults, which are parallel to each other but opposite in direction. The cline can