Chandman culture

The Chandman culture, also Chandmani culture, was a nomadic culture that existed in northwestern Mongolia and southern Siberia in the Iron Age, and named "Sagly-Bazhy culture" on the Russian side of the frontier. It is associated with the Scythian/Saka horizon, and is part of the more general Saka Uyuk culture.[1]

Chandman culture
Sagly-Bazy culture within the Saka realm ( ), and contemporary cultures and polities circa 325 BCE. Red dot: location of Chandman (Ulaangom cemetery)
Geographical rangeWestern Mongolia
Dates7th to 3rd centuries BC

History

The Chandman culture was excavated by Russian and Mongolian archaeologists in the 1970s near Chandmani Mountain, which is located near the city of Ulaangom.

Radiocarbon dating of the Chandman remains ranges from 700 BCE to 300 BCE, a period spanning the Mongolian Iron Age. The Chandman culture has been linked to the nearby cultures at Sagly and Uyuk.

Population

The Chandman population seems to have been in particularly good health, as their skeletal remains show little evidence for pathological disease. Dental and skeletal evidence show no signs of stress.[2] However other analyses have shown injuries in the Chandman population related to horseback riding and combat. Several Chandman graves contained war hammers, and the cranial injuries associated with their use.[3][4] The Chandman population likely practiced dairying, as dental remains show evidence of milk consumption.[5]

Genetics
The Chandman/Uyuk genetic profile was a near-equal combination of West Eurasian Sintashta and Ancient Northeast Asian (Baikal_EBA) ancestry, with a small BMAC admixture.[6]

A 2020 study analyzed the DNA of Chandman fossils, and described them as a mixed population, with 50% of their ancestry being derived from the West Eurasian Sintashta culture, and an additional 43% from an East Eurasian population from Lake Baikal (Baikal EBA), Mongolia. 7% of their ancestry was related to the Bactria-Margiana Archaeological Complex population of Central Asia, which is closely related to modern-day populations of the Iranian plateau.[7]

Strong evidence of sex bias was found in the ancestry of the Chandman population. Western Steppe Herder ancestry (from a Sintashta-like source) in the Chandman population was inherited from more male than female ancestors.[8]

Chandman males were found to belong to be equally divided between the West Eurasian haplogroups R1a and Q-L275.[9]

Jeong, et al. found that the early Western Xiongnu derived 93% of their ancestry from the Chandman culture, and 7% consisted of newly introduced BMAC ancestry. The rest of the Xiongnu in the study generally had mainly Eastern Asian (Ulaanzuukh or Slab Grave) ancestry, combined with smaller Western Eurasian (Chandman, Sarmatian, BMAC) contributions.[7] A study of the relationship between ethnicity and social status in the Xiongnu Empire suggested that the ancestry of high status individuals among the Xiongnu essentially derived from the Eastern Eurasian Slab Grave culture, while retainers of comparatively lower status had high genetic heterogeneity, representing influxes from the many parts of the Xiongnu Empire, and included Chandman-related individuals.[10]

  • Bone arrowheads of Chandmani-Sagil culture, Western Mongolia
    Bone arrowheads of Chandmani-Sagil culture, Western Mongolia
  • Bronze daggers of Chandmani-Sagil, Western Mongolia
    Bronze daggers of Chandmani-Sagil, Western Mongolia
  • Bronze mirrors Chandmani-Sagil culture, Western Mongolia
    Bronze mirrors Chandmani-Sagil culture, Western Mongolia
  • Notice about the site of Chandman, National Museum of Mongolia.
    Notice about the site of Chandman, National Museum of Mongolia.

See also

References
  1. Jeong, Choongwon (12 November 2020). "A Dynamic 6,000-Year Genetic History of Eurasia's Eastern Steppe". Cell. 183 (4): 890–904. doi:10.1016/j.cell.2020.10.015. hdl:21.11116/0000-0007-77BF-D. ISSN 0092-8674. The Sagly/Uyuk site of Chandman Mountain (...) Together with the Pazyryk of the Altai and the Saka of eastern Kazakhstan, they formed part of a broader Scythian cultural phenomenon that stretched across the Western Steppe, Tarim Basin, and Upper Yenesei
  2. Karstens, S.; Littleton, J.; Frohlich, B.; Amgaluntugs, T.; Pearlstein, K.; Hunt, D. (1 November 2018). "A palaeopathological analysis of skeletal remains from Bronze Age Mongolia". HOMO. 69 (6): 324–334. doi:10.1016/j.jchb.2018.11.002. PMID 30501896. S2CID 54475814.
  3. The global history of paleopathology : pioneers and prospects. Oxford: Oxford University Press. 2012. p. 478. ISBN 978-0195389807.
  4. Social complexity in prehistoric Eurasia : monuments, metals, and mobility. Cambridge, UK: Cambridge University Press. 2009. p. 348. ISBN 978-0521517126.
  5. Wilkin, Shevan; Ventresca Miller, Alicia; Taylor, William T. T.; Miller, Bryan K.; Hagan, Richard W.; Bleasdale, Madeleine; Scott, Ashley; Gankhuyg, Sumiya; Ramsøe, Abigail; Uliziibayar, S.; Trachsel, Christian; Nanni, Paolo; Grossmann, Jonas; Orlando, Ludovic; Horton, Mark; Stockhammer, Philipp W.; Myagmar, Erdene; Boivin, Nicole; Warinner, Christina; Hendy, Jessica (March 2020). "Dairy pastoralism sustained eastern Eurasian steppe populations for 5,000 years". Nature Ecology & Evolution. 4 (3): 346–355. doi:10.1038/s41559-020-1120-y. PMC 7212056. PMID 32127685.
  6. Jeong, Wang & Wilkin 2020
  7. Jeong, C; Wang, K; Wilkin, S (12 November 2020). "A Dynamic 6,000-Year Genetic History of Eurasia's Eastern Steppe". Cell. 183 (4): 890-904.e29. doi:10.1016/j.cell.2020.10.015. hdl:21.11116/0000-0007-77BF-D. PMID 33157037. See Fig. 4, A and B.
  8. Jeong, Wang & Wilkin 2020: "We observe a clear signal of male-biased WSH admixture among the EIA Sagly/Uyuk and during the Türkic period (i.e., more positive Z scores; Figure 5B), which also corresponds to the decline in the Y chromosome lineage Q1a and the concomitant rise of the western Eurasian lineages such as R and J (Figure S2A)." See Figure S2 C and Figure 5B/STAR methods for Z-scores
  9. Lee, Juhyeon; Miller, Bryan; Baiyarsaikhan, Jamsranjav (2023). "Genetic population structure of the Xiongnu Empire at imperial and local scales". Science Advances. 9 (15). doi:10.1126/sciadv.adf3904. PMC 10104459. See supplementary information .zip file for haplogroup assignments.
  10. Lee, Juhyeon; Miller, Bryan K.; Bayarsaikhan, Jamsranjav; Johannesson, Erik; Ventresca Miller, Alicia; Warinner, Christina; Jeong, Choongwon (14 April 2023). "Genetic population structure of the Xiongnu Empire at imperial and local scales". Science Advances. 9 (15). doi:10.1126/sciadv.adf3904. ISSN 2375-2548. PMC 10104459. In this genome-wide archaeogenetic study, we find high genetic heterogeneity among late Xiongnu-era individuals at two cemeteries located along the far western frontier of the Xiongnu empire and describe patterns of genetic diversity related to social status. Overall, we find that genetic heterogeneity is highest among lower-status individuals. In particular, the satellite graves surrounding the elite square tombs at TAK show extreme levels of genetic heterogeneity, suggesting that these individuals, who were likely low-ranking retainers, were drawn from diverse parts of the empire. In contrast, the highest-status individuals at the two sites tended to have lower genetic diversity and a high proportion of ancestry deriving from EIA Slab Grave groups, suggesting that these groups may have disproportionately contributed to the ruling elite during the formation of the Xiongnu empire." (...) "a chanyu, or ruler of the empire. Like the elite women at the western frontier, he also had very high eastern Eurasian ancestry (deriving 39.3 and 51.9% from SlabGrave1 and Han_2000BP, respectively, and the rest from Chandman_IA; data file S2C)" (...) "Chandman_IA was representative of people in far western Mongolia associated with Sagly/Uyuk (ca. 500 to 200 BCE), Saka (ca. 900 to 200 BCE), and Pazyryk (ca. 500 to 200 BCE) groups in Siberia and Kazakhstan.
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