Suspended in the relic of an ancient sea beneath southern Arkansas, there may be enough lithium for nine times the expected global demand for the element in car batteries in 2030. A collaborative national and state government research team trained a machine learning model to predict and map the lithium concentrations of salty water deep within the porous limestone aquifer beneath southern Arkansas,

A study completed by the USGS found that there are lithium reserves located under southwestern Arkansas that's estimated to between 5 and 19 million tons.

Energy & Environment Energy & Environment   The Big Story Arkansas could be key lithium source, study finds Arkansas’s Smackover Formation could have up to 19