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Testing two pieces each at two different facilities should provide consistent results – and indeed it did. The proportion of C-14 in the atmosphere, and hence in living things, is not constant but varies over the centuries, and it also varies between the atmosphere and the oceans.
The SUERC results showed a 95% probability that the bone samples dated from around AD1430-1460, and over in Oxford the results both came out at around AD1412-1449, again with a 95% confidence. Radiocarbon dating of marine organisms can be out by up to several hundred years, and this effect can occur to a lesser degree in terrestrial life where sea-food forms part of the diet.
However, the rising power of their northern borderers, the Xiong-nu/Hsiung-nu (probably ancestors of the later Huns), was beginning to make itself felt, and in 176 BCE the Yuezhi were heavily defeated by Maodun (d.
174 BCE), the rising chief (, and their chieftain was killed.
The foundation of the Kushan empire in Bactria and India was the result of a long series of ethnic migrations.
Since the 7th century BCE, Chinese annals had recorded the presence of the Yuezhi (Yüeh Chih), close to the Chinese frontiers in Kansu (Gansu) (Haloun, 1937; Pulleyblank, p. During the 1990s, sensational reports of the discovery of mummies in graves of the 2nd-1st millennia BCE along the northern side of the Tarim basin, noted that these bodies exhibited Indo-European rather than Chinese features: Tall stature, hirsute features, blond hair, and flowing moustaches all contrasted strikingly with the East Asian physical type.
Kušān, Bactrian Košano) of the 1st-3rd centuries CE. Dynastic History During the first to mid-third centuries CE, the empire of the Kushans (Mid. Kušān-šahr) represented a major world power in Central Asia and northern India.
It is plausible to link these findings with linguistic evidence relating to the Tarim region.Radiocarbon dating is a commonly used technique which relies on the fact that, although 99% of carbon atoms have six protons and six neutrons (carbon-12), about 1% have an extra neutron (carbon-13) and about one atom in a trillion has two extra neutrons (carbon-14).C-12 and C-13 are stable but C-14 decays at a known rate, with a half-life of 5,568 years.It was only with the advance of modern research during the 19th century in India and Afghanistan, and later in Central Asia, that the true importance of the Kushans began to be recognized.The increasing interest of numismatists in the enormously rich legacy of coinage coming to light in India soon began to reveal that a large part were issues of rulers using the epithet “The Kushan.” This coinage included a spectacular sequence of gold pieces, clear evidence of a kingdom enjoying huge prosperity (see COINAGE).