Photo: Chinese Academy of Sciences
Archaic humans left Africa more than 2.12 million years ago — much earlier than scientists thought. This is the conclusion reached by researchers of the Chinese Academy of Sciences in Guangzhou, who have discovered ancient stone tools at the site, Shancheng in Central China. Article scientists published in the journal Nature. This publication reports ScienceNews.
Anthropologists have found 96 artifacts that were recovered from a layer of sedimentary rocks in the mountainous areas of China (southern part of the Loess plateau). The finds included pieces of stones with pointy edges or sharp tips and flat stones on which was handling tools. To assess the age of the tools scientists analysed using the methods of paleomagnetic Dating, which consists in measurement of residual magnetization of rocks, which can determine the strength and direction of Earth’s magnetic field in different time periods.
Until now, the oldest evidence of hominids outside of Africa were considered the remains of arhantrop found in Dmanisi (Georgia). The age of the fossils belonging to Homo erectus, reached a 1.77-1.85 million years. In Chanchani yet been found fossils, so researchers find it difficult to answer whether the ancient stone tools were created by erectus or their manufacturers was a different kind of archaic people.
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