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Zenger
Zenger
World
Stephen Beech

World’s Oldest Man-made Wooden Structures Discovered In Africa

A wedge-shaped piece of wood. The world’s oldest man-made wooden structures - dating back half a million years - have been found in Africa. PHOTO BY PROFESSOR LARRY BARHAM/SWNS

The world’s oldest man-made wooden structures – dating back half a million years – have been found in Africa.

It is the earliest evidence from anywhere in the world of the deliberate crafting of logs to fit together – and much earlier than previously thought possible.

A research team from the University of Liverpool and Aberystwyth University detailed the excavation of well-preserved wood at the archaeological site of Kalambo Falls in Zambia, dating back at least 476,000 years and predating the evolution of our own species, Homo sapiens.

Expert analysis of stone tool cut marks on the wood shows that early humans shaped and joined two large logs to make a structure, probably the foundation of a platform or part of a dwelling.

Until now, evidence for the human use of wood was limited to its use for making fire, and digging sticks and spears.

A research team from the University of Liverpool and Aberystwyth University detailed the excavation of well-preserved wood at the archaeological site of Kalambo Falls in Zambia, dating back at least 476,000 years and predating the evolution of our own species, Homo sapiens. PHOTO BY PROFESSOR LARRY BARHAM/SWNS 

The research team said wood is rarely found at such ancient sites as it usually rots and disappears, but at Kalambo Falls permanently high water levels preserved it.

The discovery, reported in the journal Nature, challenges the prevailing view that Stone Age humans were nomadic.

The research team explained that at Kalambo Falls human ancestors not only had a perennial source of water, but the forest around them provided enough food to enable them to settle and make structures.

This study forms part of the pioneering ‘Deep Roots of Humanity’ project, an investigation into how human technology developed in the Stone Age.

Liverpool University Professor Larry Barham, who leads the ‘Deep Roots of Humanity’ project, said: “This find has changed how I think about our early ancestors.

The wooden structure, showing where Stone Age Humans have cut into the wood. The research team explained that at Kalambo Falls human ancestors not only had a perennial source of water, but the forest around them provided enough food to enable them to settle and make structures. PHOTO BY PROFESSOR LARRY BARHAM/SWNS 

“Forget the label ‘Stone Age,’ look at what these people were doing: they made something new, and large, from wood.

“They used their intelligence, imagination, and skills to create something they’d never seen before, something that had never previously existed.

“They transformed their surroundings to make life easier, even if it was only by making a platform to sit on by the river to do their daily chores.

“These folks were more like us than we thought.”

The specialist dating of the finds was undertaken by Aberystwyth University scientists.

They used state-of-the-art luminescence dating techniques, which reveal the last time minerals in the sand surrounding the finds were exposed to sunlight, to determine their age.

Aberystwyth’s Professor Geoff Duller said: “At this great age, putting a date on finds is very challenging and we used luminescence dating to do this.

“These new dating methods have far-reaching implications – allowing us to date much further back in time, to piece together sites that give us a glimpse into human evolution.

“The site at Kalambo Falls had been excavated back in the 1960s when similar pieces of wood were recovered, but they were unable to date them, so the true significance of the site was unclear until now.”

The site of Kalambo Falls on the Kalambo River lies above a 772-foot (235-metre) waterfall on the border of Zambia with the Rukwa Region of Tanzania on the edge of Lake Tanganyika.

The area is on a ‘tentative‘ list from UNESCO for becoming a World Heritage site because of its archaeological significance.

Duller said: “Our research proves that this site is much older than previously thought, so its archaeological significance is now even greater.

“It adds more weight to the argument that it should be a United Nations World Heritage Site.”

Barham added: “Kalambo Falls is an extraordinary site and a major heritage asset for Zambia.

“The Deep Roots team is looking forward to more exciting discoveries emerging from its waterlogged sands.”

Produced in association with SWNS Talker

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