A large hand axe found in the Wadi Dadsa.

Ancient Stone Artifacts Could Tell the Story of When Early Humans Spread Out of Africa

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A team of archaeologists has announced the discovery of over a thousand stone artifacts, with some of them being up to 1.76 million years old. The discovery took place at Wadi Dabsa, in southwest Saudi Arabia near the Red Sea.

Newly Found Ancient Stone Artifacts May Provide Details of Early Expansions Out of Africa

According to the researchers, the stone artifacts were found in a dry terrain, even though experts suggest that the climate there used to be way wetter thousands of years ago. Archaeologists now hope that the new discovery will provide previously unknown information as to how and when different hominins left Africa.

 The stone artifacts contain the remains of hand axes, cleavers (a type of knife), scrapers that were used to scrape the flesh off of animal hides, projectile points that would have been attached to the ends of spears, piercers (stone tools that can cut small holes through hide or flesh) and hammer stones as Live Science reports .

Acheulian Tools

As archaeologists quickly noticed, one of the hand axes is particularly heavy, weighing over 3.5 kilograms (almost 8 lbs). Judging from the tool’s design, archaeologists concluded that several of the artifacts are "Acheulian." The term Acheulian (also known Acheulean and Mode II), describes an archaeological industry of stone tool manufacture characterized by oval and pear-shaped "hand-axes" tightly linked with early humans. Acheulian tools were created during the Lower Palaeolithic era across Africa and much of West Asia, South Asia, and Europe, and are usually found with Homo erectus remains. It is thought that Acheulian technologies first developed in Africa out of the more primitive Oldowan technology as long as 1.76 million years ago, by Homo habilis. Acheulian tools were the dominant technology for the vast majority of human history.

This handaxe weighs almost 8 pounds and is unusually heavy.

This handaxe weighs almost 8 pounds and is unusually heavy. ( Image: Andrew Shuttleworth and Frederick Foulds )

Period of Creation of the Tools Remains Unknown

For the time being, however, archaeologists can’t be absolutely certain about the exact period the newly found artifacts at Wadi Dabsa were created. Frederick Foulds, an archaeology professor at Durham University in England and the study’s lead author tells Live Science , "We hope to try and date the tufa [a type of limestone] and basalt flows within the site, which are associated [with] the large [stone artifact] assemblage recovered from within the wadi.” And added, “Once the team has more-precise dates for the artifacts, the scientists may be able to determine what type of hominins made the tools.” 

A Wetter Climate

As we already mentioned, the researchers are pretty confident that the artifacts date to a period when the climate was wetter in the region. "It's far more arid [today] than it was at certain points in time," Foulds tells Live Science . And continues, "It's strange to be walking over hard, dry rocks which were formed by water pooling during a far wetter period. We think it was during these wetter periods that it's likely the site was occupied."

The site where most of the stone artifacts at Wadi Dabsa were found. The site is now part of a barren desert. It used to have a wetter climate that supported plants and wildlife.

The site where most of the stone artifacts at Wadi Dabsa were found. The site is now part of a barren desert. It used to have a wetter climate that supported plants and wildlife.

(Image: Andrew Shuttleworth)

However, that’s not surprising to Dr. Foulds, who noted that it has been pretty common for the climate to change in the entire Arabian Peninsula due to the vast changes in global climates that went with glacial cycles over the last 2.5 million years. "During periods when the ice sheets were at their largest, there was widespread aridity in the Sahara and Arabian deserts, but during periods when the ice sheets shrank, the climate of these regions became a lot wetter," Foulds told Live Science .

Wadi Dabsa’s Topography and Its Important Role to Out of Africa Theory

The big question that should concern archaeologists according to Dr. Foulds though, is how these drastic changes in climate affected the spread of hominins from out of Africa. "What's interesting about the Wadi Dabsa region is that the geography of the region may have created a refuge from these changes," Dr. Foulds said as Live Science reports .

Comments

Please cease pushing the Afro-centric nonsense. Serious people are tired of it. Why do you hate races other than "Negroid"?

Out of Africa is a convenient myth used to draw attention away from the fact that 1. human history goes back farther than certain populations would like to you believe, and from different places and lineages than they'd like you to believe....and 2. the fact that the real answer is "we don't know" Saying otherwise is all speculation put forward to try to convince people that specialists know what they're talking about. "I don't know" as an answer doesn't provide grant money, and while it is the most truthful answer, it doesn't provide social status, or the confidence of the people.

It was forcing the "I don't know" out of people that led to the death of Socrates. The status quo has always preferred their convenient narratives rather than the truth.

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