Critical minerals explorerABx Group Ltd (ASX:ABX) has expanded the resource outline of its Deep Leads rare earth elements (REE) project in Tasmania, as its 37-hole drilling program revealed thick REE mineralisation – in particular the high-demand elements dysprosium (Dy) and terbium (Tb). The amount of Dy and Tb found in these intercepts came in at 4.3% of the project’s total rare earth oxides (TREO), making it the highest proportion of any clay-hosted rare earth resource in Australia, as well as being high in global terms. ABx noted that thick zones of these elements are generally very rare. …