Except that GSC is looking at clay, not brine or hard rock for...

Except that GSC is looking at clay, not brine or hard rock for their Lithium.
Costs are similar for Brine vs clay though and the end product sell price is the same....well according to the last broker presentation.

It's a bit early for infill drilling results I thought?? Unless they have poked around in the untested part and had some good hits. That would be very positive upside! They said that was their aim -

"In addition to the exploration work already completed, we are particularly excited by the opportunity to test the large area of high-grade surface mineralisation that has not been previously drill tested. We will be providing regular updates as we commence an aggressive exploration program and continue to assess the results of prior exploration."