A team of international researchers discovered 1.2-billion-year-old groundwater 1.8 miles (2.9 km) below the Earth's surface in a uranium and gold mine in Moab Khotsong, South Africa.
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Tests conducted by researchers at the University of Oxford found that the mean age of the samples was 1.6 billion years old, making it the oldest water sample ever found on Earth
Researchers from the University of Toronto have discovered the world’s oldest sample of water, a finding that could offer clues about the possibility of life on Mars.
Professor Barbara Sherwood Lollar and her team found the water three kilometres beneath the Earth’s surface at a base metal mine in Timmins, Ontario in 2009.
Tests conducted by researchers at the University of Oxford found that the mean age of the samples was 1.6 billion years old, making it the oldest water sample ever found on Earth.