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This image shows a reconstruction of how the bracelet would have looked at the time The manufacturing technology used in the bracelet is seen as being more typical of a later period, for example the Neolithic era, which began around 12,000 years ago.This image shows a hole that was drilled in the bracelet with a high-rotation drill'Our colleagues from Australia and Oxford are coming here in August, we will be discussing the dating then,' he said, adding that some data was 'ambiguous' and required clarification.'Until then, I will refrain from saying anything.'A consensus on the age will be announced after the experts had discussed the dating, and a major scientific journal report was expected, The Siberian Times reported.'Studying them, scientists found out that the speed of rotation of the drill was rather high, fluctuations minimal, and that was there was applied drilling with an implement, technology that is common for more recent times.'The ancient master was skilled in techniques previously considered not characteristic for the Palaeolithic era, such as drilling with an implement, boring tool type rasp, grinding and polishing with a leather and skins of varying degrees of tanning.'Next to the hole on the outer surface of the bracelet can be seen clearly a limited polished zone of intensive contact with some soft organic material,' said Dr Derevyanko. It is distinctive of the Upper Paleolithic period, which began 40,000 years ago.The three inch (7.6cm) needle (pictured) is crafted from ancient bird bone'Scientists have suggested that it was a leather strap with some charm, and this charm was rather heavy.
It is the only location where the remains of Denisovans have been discovered and has been repeatedly used by them, Neanderthals and Homo sapiens The findings came from an annual summer excavation of Denisova Cave, which has been studied for more than three decades.
Further examination of the site found other artefacts dating as far back as 125,000 years.
Dr Shunkov has suggested that the bracelet indicates the Denisovans were more advanced than Homo sapiens and Neanderthals.
It was located in a layer that contained Denisovan, homo altaiensis, rather than Homo sapien or Neanderthal remains, although all these groupings shared the cave at various times and interbred.
It was originally reported as 40,000 years old and made for an ancient woman by a Paleolithic craftsman.