Scientists have found evidence of water in Africa that may have been isolated for millions of years.
Deep saline groundwater in South Africa's Witwatersrand Basin was found to have properties suggesting its isolation for large periods of time. "We concluded that the deeper waters were the product of isolation and extensive chemical interaction between water and rock over incredibly long geological time scales," says professor Barbara Sherwood Lollar, part of the research team.
"New evidence bolsters the notion that deep saline groundwaters in South Africa's Witwatersrand Basin may have remained isolated for many thousands, perhaps even millions, of years."
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