The South West Arkansas project is located in Lafayette and Columbia counties in southwestern Arkansas. It boasts one of the highest-grade lithium brine resources1 in North America, with a maximum concentration of 616 mg/L and an average of 442 mg/L on total Measured & Indicated Resource.
1. Arkansas Smackover :: Standard Lithium Ltd. (SLI)
The Project is targeting initial production of 22,500 tonnes per annum of battery-quality lithium carbonate with ample opportunity for further expansion. Construction is expected to begin in 2026 with first production in 2028.
The South West Arkansas Project is located in the Smackover, where the USGS estimates between 5.1 and 19.0 million metric tons of lithium to be present.1
1. Evaluation of the lithium resource in the Smackover Formation brines of southern Arkansas using machine learning | Science Advances