Perpetua Resources has reported a new gold‑tungsten discovery and multiple high‑grade gold intercepts between the Yellow Pine and West End reserve pits at its Stibnite gold‑antimony project in central Idaho, including scheelite-bearing intervals in the Clark Tunnel Fault Zone on the southeastern edge of the proposed Yellow Pine pit. Widely spaced drilling at the adjacent Huckleberry Fault Zone has outlined over 100 metres in width and 0.5 km of strike of gold mineralisation, while Hangar Flats drilling returned additional high‑grade gold plus antimony‑tungsten intercepts. The company aims to use these targets to extend pit limits and potentially grow beyond the current 3.1 Moz indicated and inferred gold and 99.8 Mlb antimony resources outside reserves, though work beyond the permitted plan may trigger further regulatory review.

New drilling at Luca Mining’s 2,500 t/d Campo Morado underground polymetallic mine in Guerrero, Mexico, is intersecting long, near-surface sulphide intervals in unmined zones adjacent to existing workings. Standout hole CMUG-26-50 at Largo Norte cut ~184 m from 3.6 m depth grading 1.18 g/t Au, 72.42 g/t Ag, 0.39% Cu, 0.45% Pb and 1.67% Zn, including 18 m at 2.64 g/t Au and 152.34 g/t Ag, while Naranjo hole CMNJ-26-02 returned 9.6 m at 4.05 g/t Au, 241.09 g/t Ag and 0.90% Cu from 175.3 m. With C$34 million budgeted for 80,000 m of drilling across Campo Morado and Tahuehueto and 16.6 Mt already in measured and indicated resources, these near-infrastructure intercepts point to incremental tonnes and mine-life extension ahead of a year-end expansion technical update.

An updated resource estimate for Avalon Advanced Materials’ Nechalacho Basal zone in the Northwest Territories lifts global contained rare earths by 42%, with measured and indicated resources now at 58.6 million tonnes grading 1.49% TREO and inferred resources more than doubling to 130.6 million tonnes at 1.31% TREO. The estimate applies a net metal return cut-off of $366.40 per tonne, 14% higher than in 2013, and draws on roughly 120,000 metres of drilling in 582 holes. A new PEA due in Q4 will revisit the 2013 feasibility metrics of 9,300 t/y TREO over 20 years, $1.3 billion post-tax NPV (8% discount) and $1.6 billion capex.