Aboriginal Australian Artefacts up to 80,000 years old uncovered at the Madjedbebe rock shelter

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Over 11,000 artefacts in Kakadu national park have been dated to between 65,000 and 80,000 years old, rewriting the consensus understanding of human occupation of Australia

[This article explores the conclusions reached in a new study, and offers the opinion of this writer as to the possible interpretations of some of the associated scientific findings].

For the last decade, the debate has raged as to whether modern humans had resided on the Australian continent for 50,000 years or perhaps 60,000 years. The latest results stem from dating procedures carried out on over 11,000 artefacts from the Madjedbebe rock shelter. The site, formerly known as Malakunanja II, is now providing solid data that takes both of the previous hotly contested dates for human occupation and buries them in the dirt forever. It is now beyond reasonable doubt that humans were present at the rock shelter for no less than 65,000 years, and the possibility exists humans were present over 80,000 years ago.

The new research, published in the journal Science has huge ramifications for the widely accepted ‘Out of Africa Theory’ that claims modern humans left Africa around 70,000 years ago, only entering Australia many thousands of years later. The evidence that humans were in Australia far longer than usually claimed also confronts the theory that humans eradicated Australian megafauna as they entered the continent – it is now clear humans lived alongside numerous now extinct species for tens of thousands of years.

Madjedbebe rock shelter map

The lead author of the paper, Associate Prof Chris Clarkson from the University of Queensland, recognised the profound implications of the latest discovery. “People got here much earlier than we thought, which means, of course, they must also have left Africa much earlier to have travelled on their long journey through Asia and south-east Asia to Australia.” Said Clarkson.

Clarkson also commented on other implications arising from the early dating, adding that, “It also means the time of overlap with the megafauna, for instance, is much longer than originally thought – maybe as much as 20,000 or 25,000 years. It puts to rest the idea that Aboriginal people wiped out the megafauna very quickly.”

Clarkson and his team recognise that the new dating will be controversial, previous claims that the Madjedbebe rock shelter had seen human inhabitance for over 55,000 years were widely disputed by sceptics, but Clarkson is confident the processes used to date the artefacts “precisely” dates occupations to no less than 65,000 years ago.

Carbon dating and optically stimulated luminescence dating were used to assess the artefacts antiquity, the latter being a technique that measures the radiative signature of a grain of sand revealing when it was last exposed to sunlight. In the deepest levels of sediment, some artefacts were estimated to be about 80,000 years old – or at least 95% likely to be older than 70,000, the report noted.

British archaeological researcher, Bruce Fenton, author of The Forgotten Exodus: The Into Africa Theory of Human Evolution, sees the find from a rather different perspective to the academic team. “The new dating for the Madjedbebe rock shelter fundamentally disputes the current Out of Africa Model for human origins and early migrations. The conclusions of this project offer yet more support to the hypothesis that modern humans emerged first in Australasia and Southeast Asia – only later migrating into Africa around 74,000 years ago.

Fenton’s book provides a wealth of evidence for an out of Australasia and into Africa centred hypothesis, including identification of several archaeological sites in Australia that date to well over 70,000 years ago. “We have a cooking fire at Point Ritchie well-dated to 80,000 years ago, and clear evidence of firestick farming underway over 100,000 years ago at both Lake George and sites close to the Great Barrier Reef.”

The incredible collection of artefacts were found buried in 2.6 metres of sand and sediment on the western edge of the Arnhem Land plateau. The site at Madjedbebe is on the traditional lands of the Mirarr people, but currently within the confines of the Jabiluka uranium mining lease.

“We’d like to tell people we were here long enough – tell all the Balanda [non-Indigenous people] about the stories, that people were here a long time,” said May Nango, a Mirarr traditional owner. The Mirarr community have retained total control over the dig and the artefacts.

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Independent investigative journalist and science-minded researcher busy inquiring into human origins and the development of formative human cultures. Writer, speaker and author of 'The Into Africa Theory of Human Evolution'.