Complex sentence: Crustal shortening is the predominant style of Cenozoic deformation in the Tian Shan, which propagated outward and rose progressively as a wedge-shaped block.
Split into simpler sentences: Crustal shortening is the predominant style of Cenozoic deformation in the Tian Shan. The Tian Shan propagated outward and rose progressively as a wedged-shaped block.