The Cenozoic (i.e., the past 66 million years) was the time when Asia acquired its present appearance. The most important tectonic event in the Cenozoic history of Asia was its collision with India some 40 to 50 million years ago. That collision took place about 1,250 miles (2,000 km) south of the present location of the line of collision along the Indus-Brahmaputra suture behind the main range of the Himalayas. Since the collision, India has “bulldozed” the southern margin of Asia, crumpling both Asia and its own northern margin. A horizontal shortening of some 500 miles (800 km) has accompanied ...(100 of 38030 words)