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Hydrogeologic and Geochemical Distinctions in Salar Freshwater Brine Systems

Hydrogeologic and Geochemical Distinctions in Salar Freshwater Brine Systems

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Authors

Lee Ann Munk, David F Boutt, Brendan J Moran , Sarah Virginia McKnight, Jordan Jenckes

Abstract

The Salar de Atacama contains one of the world’s most important lithium resources and hosts unique and fragile desert ecosystems. Water use issues of the hyper-arid region have placed it at the center of global attention. This investigation is the first robust assessment of a salar system to incorporate geology, hydrogeology, and geochemistry of the aquifer system in the inflow, transition zone and the nucleus. Multiple physico-chemical parameters including conductivity, temperature, Li and Na, and multiple isotopic indicators (3H, ẟD, and 87Sr/86Sr) all conclude that the transition zone water zones are distinct and separated from the brin...  more

DOI

https://doi.org/10.31223/osf.io/j3pu6

Subjects

Earth Sciences, Geochemistry, Hydrology, Physical Sciences and Mathematics

Keywords

arid, Atacama, brine, geochemistry, hydrogeology, lithium, salar, salt flat, transition zone

Dates

Published: 2020-08-06 00:53

License

CC BY Attribution 4.0 International