World’s Oldest Art Identified in Half-Million-Year-Old Zigzag

World’s Oldest Art Identified in Half-Million-Year-Old Zigzag

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World’s Oldest Art Identified in Half-Million-Year-Old Zigzag

About half a million years ago, early homo Erectus on java was already using freshwater mussel shells as weapons and as a “canvas” for engraving. An international team of researchers, led by Leiden archaeologist José Joordens, published this discovery Nature.

The discovery provides new insights into the evolution of human behaviour.

Not only Homo sapiens made engravings

“Until this discovery, it was assumed that comparable engravings were only made by modern humans (Homo sapiens) in Africa, starting about 100,000 years ago,” says lead author José Joordens, a researcher at the Faculty of Archaeology at Leiden University.

World’s Oldest Art Identified in Half-Million-Year-Old Zigzag
Scientists found deliberate scratching on a fossil Pseudodon, likely an engraving made by Homo erectus at Trinil in Indonesia.

A team of 21 researchers studied hundreds of fossil shells and associated finds and sediments from the Homo erectus site Trinil, on the Indonesian island of Java.

The shells are part of the Dubois Collection that has been held at the Naturalis Biodiversity Center since the end of the 19th century. The shells were excavated by the Dutch physician and researcher Eugène Dubois, the discoverer of Pithecanthropus erectus — now known as Homo erectus.

Engravings older than weathering

The discovery of an engraved geometrical pattern on one of the shells came as a total surprise. The zig-zag pattern, which can only be seen with oblique lighting, is clearly older than the weathering processes on the shell arising from fossilization.

The study has excluded the possibility that the pattern could have been caused by animals or by natural weathering processes and shows that the ‘zigzag’ pattern is the work of Homo erectus.

Five hundred thousand years old

By applying two dating methods, researchers at the VU University Amsterdam and Wageningen University have determined that the shell with the engraving is minimally 430,000 and maximally 540,000 years old. This means that the engraving is at least four times older than the previously oldest known engravings, found in Africa.

Purpose or meaning of the engraving?

“It’s fantastic that this engraved shell has been discovered in a museum collection where it has been held for more than a hundred years. I can imagine people may be wondering whether this can be seen as a form of early art,” says Wil Roebroeks, Professor of Palaeolithic Archaeology at Leiden University.

Viewed up close, one fossil Pseudodon shell from Java shows evidence of engraving.
See the hole on the inside of this fossil Pseudodon shell? Homo erectus likely bored into the shell at exactly at the spot where the adductor muscle attaches to pop it open.

He was able to finance this long-term research with his NWO Spinoza Prize. “At the moment we have no clue about the meaning or purpose of this engraving.”

Early human-like mussel collector

This research has shown that these early human-like people were very clever about how they opened these large freshwater mussels; they drilled a hole through the shell using a sharp object, possibly a shark’s tooth, exactly at the point where the muscle is attached that keeps the shell closed.

“The precision with which these early humans worked indicates great dexterity and detailed knowledge of mollusc anatomy,” says Frank Wesselingh, a researcher and expert on fossil shells at Naturalis. The molluscs were eaten and the empty shells were used to manufacture tools, such as knives.

Possible follow-on research

This discovery from the historical Dubois collection sheds unexpected new light on the skills and behavior of Homo erectus and indicates that Asia is a promising and, so far, relatively unexplored area for finding intriguing artifacts.

From the Netherlands, researchers at Leiden University, the Naturalis Biodiversity Center, the Vrije Universiteit Amsterdam, the universities of Wageningen and Delft, and the Cultural Heritage Agency of the Netherlands were involved in the research.

This research is being financed by research funding from the NWO Spinoza Prize.


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