Brazilian Critical Minerals (ASX:BCM) said drilling at its Ema Ionic Clay Rare Earth project in Brazil, reinforced high-quality rare earth elements composition and potential for a long in-situ recovery project, according to a Monday filing with the Australian bourse.

The results also confirm four kilometres of additional mineralization, the filing said.

Results yielded ten meters at 1,084 parts per million total rare earth oxides from ten meters, the filing added.

Shares of the company rose past 4% in recent Monday trade.