A team of researchers at the University of Saskatchewan published a paper describing the surprising findings in the Paradox Basin, located in south-eastern Utah and southwestern Colorado, where the team found unexpectedly young groundwater at a depth where conventionally much older aquifers are located.
Using a relatively new krypton-81 technique to date deep groundwater, researchers were able to calculate the age of water up to 1.2-million-years-old.
“We expected to find that groundwater would get progressively older as you go deeper,” said Dr. Jennifer McIntosh (PhD), Distinguished Scholar at the University of Arizona (U of A) in the Department of Hydrology and Atmospheric Sciences and adjunct professor at USask. Read more about the discovery here.
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