Si6 Metals (ASX:SI6) completed a drilling program for soil sampling and ground exploration at the Pocos de Caldas Alkaline Complex in Brazil, the miner said in a Friday filing with the Australian bourse.

The program discovered high-grade shallow auger total rare earth oxide intercepts up to 5,475 parts per million, the filing said.

Shares of Si6 Metals fell 33% in recent trade, hitting a 52-week low.

Price (AUD): $0.002, Change: $0, Percent Change: -33.33%