Is a mountain constructive or destructive? The two mechanisms at work to construct the Colorado Plateau and the Grand Canyon are uplift (constructive), and erosion (destructive). Is the Grand Canyon a constructive force? What are 4 constructive forces?Ĭollection and analysis of data indicates that constructive forces include crustal deformation, faulting, volcanic eruption and deposition of sediment, while destructive forces include weathering and erosion. A constructive force is a process that raises or builds up the surface features of the Earth.