Age cave dating


27-Nov-2019 22:24

Denisova Cave, located in the foothills of the Altai mountains, is an extraordinarily important place in the history of human evolution.For over 300,000 years, this cave was the home to various groups of archaic hominins.Other artefacts including cave art, sculpted figures, decorated bone tools and jewellery have been found in Europe, dating back 40,000 years ago.But researchers have concluded that these artefacts must have been created by modern humans who were spreading across Europe after their arrival from Africa.Interestingly, Douka and colleagues note that the most recent admixture event between Denisovans and modern humans is dated to later than that (somewhere between 54,000-31,000 years ago), suggesting that a different Denisovan population may have participated in that event. Timing of archaic hominin occupation of Denisova Cave in southern Siberia.Readers who are paying careful attention may notice that I haven’t said anything about anatomically modern humans in this cave. Nature 565, 594–599 (2019)." Denisova Cave, located in the foothills of the Altai mountains, is an extraordinarily important place in the history of human evolution.There is evidence that Neanderthals in Europe used body ornamentation around 40,000 to 45,000 years ago, but many researchers have suggested this was inspired by modern humans who at the time had just arrived in Europe.

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Jacobs and colleagues used thermoluminescence dating, which can determine how long it’s been since individual quartz crystals were last exposed to light, to help understand the complex stratigraphy of the Pleistocene deposits in the cave.Denisovan and Neanderthal DNA recovered from soil in layers of the cave dating to the same time period confirms overlapping occupations of the cave by the two groups.



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