They could be talking Kaolin "with a group of people who have handled concessions or permits assigned to non-metallic mineral extraction, referred to the washed sand, sand mining and filler. "

If so they are poking around the LC area.

This was Agapov from an intereview in 2008 about the bid for GRZ.

"The takeover of Gold Reserve would also provide Rusoro with
access to kaolinite deposits between Las Brisas and the Las Cristinas
gold project belong to Canadian junior Crystallex."