20:50 GMT08 August 2020
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    Aboriginal artefacts on the continental shelf reveal ancient submerged cultural landscapes in northwest Australia.

    Genomic studies have revealed that Aboriginal Australians are the oldest known civilisation on Earth, having diverged from Eurasians 57,000 years ago following a single exodus from Africa around 75,000 years ago.

    A group of Australian researchers has found the first underwater Aboriginal archaeological sites off the north-western coast of the country.

    One of the sites contained artefacts that are at least 7,000 years old, while the second held only one artefact, but it was 8,500 years old. Many of the items had marine life growing on them, but the team was able to identify a number of worked stone tools, including two possible grinding stones.

    According to scientists, the Australian coast once extended 100 miles farther out to sea than it does now.

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