Australian Stock Exchange-listed exploration firm Chilwa Minerals Limited says it has discovered further niobium deposits south of Nakombe River in Mpyupyu, Zomba, positioning the area as a critical minerals asset. In an update, the company said results of its second drills in Mpyupyu confirmed huge niobium mineralisation. The second drills, according to the update, were … The post Miner finds new niobium deposits appeared first on Nation Online .