Encounter Resources Ltd (ASX:ENR) has increased the niobium and rare earth element (REE) mineralisation of its Green target in WA’s West Arunta region, with the carbonatite complex associated with the complex now measuring 4 kilometres over strike. Drilling work in the target’s east showed high-grade mineralisation, including 22 metres at 1.3% niobium oxide (Nb2O5) from 70 metres including 2 metres at 2.1% Nb2O5 from 70 metres in one hole; and 37metres at 1.0% Nb2O5 from 67 metres to EOH (end-of-hole) including 2 metres at 2.0% Nb2O5 from 87 metres. Encounter has progressed closer-spaced airco…