"ExxonMobil’s recent entrance into the region, marked by a +US$100m acquisition of 120,000 acres of private leases"
That's vey cheap. However, worth noting that the lithium content in the oil field brine at Smack-Over is relatively low-grade compared to what can be obtained through geothermal sources.
Also the prototype featured in Phoenix Lithium's presentation, as seen on the front page of their website, is built upon Closed-loop DLE technology.
