page_title: Tuanjie Lake
section_title: Geography
hierarchical_section_title: Tuanjie Lake / Geography
caption_attribution_description: English: ISS016-E-9369: A photograph from the International Space Station of the salt pans collecting minerals from the waters of Tuanjie Lake, Golmud County, Haixi Prefecture, Qinghai Province, China.Misidentified by NASA as North Hulsan Lake. 中文: 中国青海省海西格尔木市。团结湖。
context_page_description: Tuanjie Lake is a lake in the southeastern Qarhan Playa north of Golmud in the Haixi Prefecture of Qinghai Province in northwestern China. It is fed from the south by the Shougong River. Like the other lakes of the surrounding Qaidam Basin, it is extremely saline.
context_section_description: Tuanjie Lake at the southern edge of the Qaidam subbasin in the eastern Qarhan Playa at an elevation of 2,675 m (8,776 ft) above sea level. It has an area of 6 km² (2.3 sq mi). It lies southeast of Dabusun Lake, south of Xiezuo Lake, and west of South Hulsan Lake and is fed by the intermittent stream of the Shougong River (收工河, Shōugōng Hé). Its depth usually does not exceed 1 m (3 ft 3 in).
  Tuanjie's position at the south end of the playa means that its waters are relatively less influenced by the concentrated mineral springs along the playa's northern boundary. Nonetheless, the lake's brine is at or near saturation with calcite, halite, polyhalite, kieserite, and (importantly) carnallite, which is processed to produce potash for potassium-rich fertilizers and other uses.
caption: Tuanjie Lake and the surrounding salt pans (2007)
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