China, The Dzungarian Basin

North of the Tarim Basin is another large depression, the Dzungarian. It is enclosed by the Tien Shan on the south, while to the northeast it is cut off from the Mongolian People's Republic by the Altai Mountains. The surface of the basin is flat, with a gentle slope to the southwest. The larger portion of the land lies at elevations between 1,000 and 1,500 feet, and in the lowest part