Sunday , December 5 2021

Stone Tools Found in Algeria Provide Evidence The Human Origins were spread across Africa



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It was discovered collection & # 39; prehistoric stone tools and bones & # 39; msallfin the animals in 1992 in the archaeological site & # 39; Ain Boucherit on the High Plateau & # 39; the Northeast Algeria now dated to 2.4 million years. This data goes directly against the current evolutionary paradigm that East Africa was the "cradle of humanity", since they are roughly the same age as the oldest known tools found f & # 39; Jonah, Ethiopia, which had 2.6 million years.

The research was published in the journal science, and in article nature says that "the oldest known technology & # 39; known Masonry, called Oldowan, is intended encountered in some 2.6 million years ago in East Africa and then spread across the continent." But this new discovery suggests that the production tool "b & # 39; & # 39 f independently, different parts of & # 39; Africa."

Skull built again & # 39; Australopithecus Garhi, one of the species used stone tools like Oldowan. (Ji-Elle / CC BY SA 3.0)

Skull built again & # 39; Australopithecus Garhi, one of the species used stone tools like Oldowan. (Ji-Elle / CC BY SA 3.0)

Scenario & # 39; multiple origins for Humanity?

The archaeologists report in & # 39; science says that the tools were "typical of stone tools Oldowan already known in East Africa" ​​that had "unveiled next few & # 39; fossilized animal bones, b & # 39; cut marks them, an early kukkudilli, elephants and hippopotamuses, and archaeologists like can & # 39; & # 39 be evidence; eating meat. "

Oldowan artifacts, including not only on limestone cores (1 and 9); bifacial core made of limestone (10) and the flint (2); poliedriċi Hearts on limestone (11 and 12); Core sottosferiku on limestone (3); Full shells on flint (7, 16, and 17) and the limestone (4, 5, 6, 13, and 14); and flint pieces stamped (8 and 15). (Sahnouni, M. et al.)

Oldowan artifacts, including not only on limestone cores (1 and 9); bifacial core made of limestone (10) and the flint (2); poliedriċi Hearts on limestone (11 and 12); Core sottosferiku on limestone (3); Full shells on flint (7, 16, and 17) and the limestone (4, 5, 6, 13, and 14); and flint pieces stamped (8 and 15). ( Sahnouni, M. et al .)

These new findings suggest that hominins inhabited throughout Africa & # 39; America about 600,000 years earlier than previously thought, and according to an article in & # 39; April The Independent , This also means that "The ancestors of humans could have as much earlier than people thought." According to Professor Mohamed Sahnouni at the National Center & # 39; Research on Human Evolution in Spain, who led the research, "One hypothesis is that the tool with the East Africa f & # 39; other regions. another is "scenario & # 39; multiple origins" in which early hominids made and used tools both in East Africa and in the north. "" the evidence from Algeria shows the cradle of humanity was not confined to East Africa. Rather the whole African continent was the cradle of humanity "added Professor Sahnouni.

Battle for Planet of the Apes

"But who made the tool"? calls in article New scientist . "M & # 39; there is no human fossils in & # 39; Ain Boucherit, so the identity of the tool tool is unclear. Evolution & # 39; hominin 2.4 million years ago was in flux. Hominins earlier successful, including Australopithecus, Were beginning to disappear, and early species & # 39; Homo were taking control. "The Sahnouni Professor suspect that" the Algerian tools made by one of these early Homo species. "Professor Jessica Thompson at the University & # 39; Emory f & # 39; Atlanta, Georgia, who was not involved in the study, told journalists in & # 39; Scientist New" If I had to line-up and I had to choose one, the pick. "

The original full skull (without teeth & # 39; on and mandib) of & # 39; sample & # 39; 2.1 million year & # 39; Australopithecus africanus called Mrs. Ples, discovered in Africa & # 39; South. (José Braga; Didier DESCOUENS / CC BY SA 4.0)

The original full skull (without teeth & # 39; on and mandib) of & # 39; sample & # 39; 2.1 million year & # 39; Australopithecus africanus called Mrs. Ples, discovered in Africa & # 39; South. (José Braga; Didier DESCOUENS / CC BY SA 4.0)

However, it is also the Thompson Professor providing a certain skepticism for some of the requests made by scientists, for example, while she agrees that the stone is actually a tool, "she is not convinced that the animal bones are covered in natural processes can share face & # 39; bones b & # 39; similarly. "in addition, Thompson also disputes the date of stone tools, and said that" can & # 39 ; it will not be possible & # 39; 2.4 million years, because these data assume soil and sediment in & # 39; an accumulated Boucherit b & # 39; steady rate. "

Evidence & # 39; activity & # 39; hominin from faunal assemblies & # 39; Boucherit Ain. (A and B) Mark & ​​# 39; on cutting bovid shaft of humerus & # 39; sized enterprises (A) b & # 39; detail & # 39; SEM micrograph (B). (C and D) Kalċjanju cut equitable (C) b & # 39; detail SEM mikrografija (D). (E) long bones & # 39; sized percussed Hammerstone. (F) bone Flake. (G) Tibia equid showing cortical percussion ink. (Sahnouni, M. et al)

Evidence & # 39; activity & # 39; hominin from faunal assemblies & # 39; Boucherit Ain. (A and B) Mark & ​​# 39; on cutting bovid shaft of humerus & # 39; sized enterprises (A) b & # 39; detail & # 39; SEM micrograph (B). (C and D) Kalċjanju cut equitable (C) b & # 39; detail SEM mikrografija (D). (E) long bones & # 39; sized percussed Hammerstone. (F) bone Flake. (G) Tibia equid showing cortical percussion ink. ( Sahnouni, M. et al )

If the marks on the bones are natural or carved by hand, the only time he says, but Sahnouni Professor and Mathieu colleague Duval concluded in & # 39; Joint article: "This new discovery modify our understanding of time and dissemination of technology Oldowan Stone Tool Africa and outside the continent. "

Image: Tools of & # 39; Oldowan of stone tools has been excavated in & # 39; Any Boucherit, Algeria. Source: M. Sahnouni

By Ashley Cowie

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