The Ordos are mainly known from their skeletal remains and artifacts. The Ordos culture of about 500 BCE to 100 CE is known for its "Ordos bronzes", blade weapons,
finials for tent-poles, horse gear, and small plaques and fittings for clothes and horse harness, using
animal style decoration with relationships both with the
Scythian art of regions much further west, and also
Chinese art. Its relationship with the Xiongnu is controversial; for some scholars they are the same and for others different. Many buried metal artefacts have emerged on the surface of the land as a result of the progressive
desertification of the region. The Ordos are thought to be the easternmost of the
Iranian peoples of the
Eurasian Steppe, just to the east of the better-known
Yuezhi, also an
Indo-European-speaking people.
Iaroslav Lebedynsky suggests the Ordos culture had "a Scythian affinity". Other scholars have associated it with the Yuezhi The Ordos culture has strong similarities with the
Shajing culture in
Gansu to the west, the
Saka culture of the
Xinjiang, and the
Upper Xiajiadian culture of
Liaoning to the northeast. Recent archeological and genetic data suggests that the Western and Eastern Scythians of the 1st millennium BC originated independently, but both combine
Yamnaya-related ancestry, which spread eastwards from the area of the European steppes, with an
East Asian-related component, which most closely corresponds to the modern North
Siberian
Nganasan people of the lower
Yenisey River, to varying degrees, but generally higher among Eastern Scythians. On the other hand, archaeological evidence now tends to suggest that the origins of
Scythian culture, characterized by its
kurgans burial mounds and its
Animal style of the 1st millennium BC, are to be found among Eastern Scythians rather than their Western counterparts: eastern Scythian
kurgans (such as the Altaic kurgan
Arzhan 1 in
Tuva) are older than western Scythian kurgans, and elements of the
Animal style are first attested in areas of the
Yenisei river and modern-day China in the 10th century BC. The rapid spread of Scythian culture, from the Eastern Scythians to the Western Scythians, is also confirmed by significant east-to-west gene flow across the steppes during the 1st millennium BC. Their culture expanded tremendously, and in the northeast of China replaced earlier cultures such as the
Upper Xiajiadian.
Early bronze artifacts (6-5th century BC) Several Ordos artifacts from the 6-5th century BC reflect a nomadic culture based on the chariot rather than the mounted horse. These include chariot ornaments for chariot yokes, which have been excavated in nomadic tombs. The material used was bronze, in contrast to the silver and gold which appeared from the 4th century BC, together with the mounted-horse culture. They should instead be attributed to the pre-Xiongnu nomads would occupied the Ordos at that time, including possibly the
Yuezhi. File:Gold belt buckle inscribed with Chinese characters found in Xigoupan M2 (4th-3rd century BCE).jpg|Gold belt buckle in Scythian style, from
Xigoupan M2 (4th–3rd c. BCE) ==Contact with neighbouring peoples==