Water miles below Earth's surface isn't as old as scientists once thought
July 6, 2022
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![Student sampling at well.](/sites/default/files/styles/az_large/public/2022-09/Water_Miles.jpg.webp?itok=_cibtWEa)
A University of Arizona-led team discovered that as the Colorado River carved the Grand Canyon, it flushed away ancient deep saline groundwater. The methods the researchers developed to determine the age of groundwater could be used to date and understand the conditions of deep groundwater elsewhere.
Read more about Paradox Basin research