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Lop Nur

former salt lake in Bayingolin Prefecture, Xinjiang, China

Architectural plans, a scale model, maps and brass measuring instruments
Places and architectureInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 24, 2026
Entity authorityQ319412 ↗
Source-derived summary

Lop Nur or Lop Nor (Uyghur: لوپنۇر, Oirat: ᠯᠣ᠊ᠫᠨᡇᡇᠷ, romanized: Lob nuur, from an Oirat Mongolic name meaning "Lop Lake", where "Lop" is a toponym of unknown origin) is a now largely dried-up salt lake formerly located within the Lop Depression in the eastern fringe of the Tarim Basin in the southeastern portion of the Xinjiang Autonomous Region, northwestern China, between the Taklamakan and Kumtag deserts. Administratively, the lake is in Lop Nur town (Chinese: 罗布泊镇; pinyin: Luóbùpō zhèn), also known as Luozhong (罗中; Luózhōng) of Ruoqiang County, which in its turn is part of the Bayingolin Mongol Autonomous Prefecture.

The lake system, into which the Tarim River and Shule River drain from the west and east respectively, is the last remnant of the historical post-glacial Tarim Lake, which once covered more than 10,000 km2 (3,900 sq mi) in the Tarim Basin but had progressively shrunk throughout the Holocene due to rain shadowing by the Tibetan Plateau. Lop Nur is hydrologically endorheic; it is landbound, has no outlet, and has relied largely on meltwater runoffs from the Tianshan, Kunlun and the western Qilian Mountains. The lake measured 3,100 km2 (1,200 sq mi) in 1928, but has dried up due to construction of reservoirs which dammed the flow of water feeding into the lake, and only small seasonal lakes and salt marshes may form. The dried-up Lop Nur Basin is covered with a salt crust ranging from 30 to 100 cm (12 to 39 in) in thickness.

An area to the northwest of Lop Nur has been used as the principal nuclear testing site of the People's Republic of China. Since the discovery of potash at the site in the mid-1990s, it is also the location of a large-scale mining operation. There are some restricted areas under military management and cultural relic protection points in the region, which are not open to the public.

History

From around 1800 BC until the 9th century the lake supported a thriving Tocharian culture.

Editorial summary

This brief starts where responsible research should: with the source description of “Lop Nur” as former salt lake in Bayingolin Prefecture, Xinjiang, China. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA valuable geographic starting point for tracing changing names, boundaries, uses and administrative responsibility. The current lead gives the account dated anchors—1928, 1800—that can be checked directly. The selected authority fields contribute no independent date. The account is most persuasive where former, salt and lake can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the places & architecture register because the source frames it as former salt lake in Bayingolin Prefecture, Xinjiang, China. Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

The strongest evidence will usually combine a dated visual record with documents produced by the authority responsible for the place. The source revision retrieved here is dated Jul 24, 2026. The linked authority identifier is Q319412. VIAF identifies the subject as 146142680. Authority coordinates are 40.167, 90.583. 1 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1928 and 1800.

Critical limits

A single description cannot reconcile every naming convention, rebuilding phase or administrative transfer associated with a place. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.

Best used for
  • Historic place names
  • Jurisdictional context
  • Routes into maps and plans
Verify next

Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.

Three-step research path

  1. Establish the record: confirm the title “Lop Nur”, its source revision and the description used here.
  2. Expand the search: follow Lop Nur primary sources, Lop Nur archive and former research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Lop Nur”?
  2. Which authority defined the place, boundary or structure at the relevant date?
  3. What physical evidence or contemporary plan supports the description?
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Source & attribution

This entry incorporates text from “Lop Nur” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.