Resouro Strategic Metals (ASX:RAU) said results from an infill drilling campaign at its Tiros titanium and rare earth elements project in Brazil demonstrated significant mineralization, according to a Monday Australian bourse filing.

Significant intercepts from the program included 54 meters at 13.04% grade of titanium oxide and 3,593 parts-per-million grade of total rare earth oxide from surface downhole as well as 50 meters at 12.8% grade of titanium oxide and 4,491 ppm grade of total rare earth oxide from 17 meters downhole.

It is in the process of finalizing a mineral resource estimate update for the Tiros central block based on the new drill assay information.

Its shares fell 5% in recent trading on Monday.