Latest Heap Leach Processing News

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Far East Gold Limited reveals promising metallurgical test results from its Idenburg project, showing gold recoveries around 95% using conventional processing methods. These early findings suggest a straightforward processing route but remain preliminary pending further testing.
Maxwell Dee
Maxwell Dee
21 Apr 2026
TG Metals Limited has unveiled a major Mineral Resource Estimate upgrade for its Van Uden Gold Project, with Indicated gold ounces surging 120% to 152,600 oz and total pit constrained resources reaching 270,800 oz at 1.06 g/t Au. This marks a significant step in advancing the project towards near-term production.
Maxwell Dee
Maxwell Dee
16 Apr 2026
Silver Mines has delivered promising exploration results from its Calico North and Kramer Hills projects in California, with standout silver and barite assays supporting imminent drilling campaigns.
Maxwell Dee
Maxwell Dee
16 Apr 2026
Cavalier Resources’ 2026 Pre-Feasibility Study update boosts the Stage 1 NPV of its Crawford Gold Project to A$77.2 million at A$6,500/oz gold, reflecting resilience amid supply chain pressures. The project maintains its ore reserve and pit design, with financing negotiations advancing.
Maxwell Dee
Maxwell Dee
15 Apr 2026
Sun Silver has engaged global engineering firm Ausenco to lead critical concept and scoping studies for its Maverick Silver Project in Nevada, aiming to underpin a maiden Scoping Study by late 2026. The move leverages Ausenco’s North American precious metals expertise and comes as silver prices hover near US$77 an ounce, bolstering project economics.
Maxwell Dee
Maxwell Dee
15 Apr 2026
49 Metals Limited has secured $10 million through its IPO to fund a detailed exploration campaign in Nevada’s Walker Lane Trend, including an 8,000-metre drilling program at the Gold Mountain project targeting high-grade gold zones.
Maxwell Dee
Maxwell Dee
14 Apr 2026
Legacy Iron Ore has boosted its Mt Celia gold resource by over half, now holding 390,150 ounces, underpinning its ongoing heap leach pre-feasibility study and signaling potential for further growth.
Maxwell Dee
Maxwell Dee
14 Apr 2026
West Cobar Metals (ASX: WC1) is progressing its U.S.-focused critical minerals strategy by formally engaging with U.S. government funding programs and partnering with Washington D.C.-based advisor GreenMet. The company’s Australian projects contain key minerals aligned with U.S. supply chain priorities, while it evaluates potential U.S. acquisitions to expand its footprint.
Maxwell Dee
Maxwell Dee
10 Apr 2026
Saturn Metals Limited has announced exceptional high-grade gold assay results from its Apollo Hill Gold Project in Western Australia, including a record 1m intercept grading 277g/t Au. These findings highlight significant untapped northern extensions beyond the existing 2.24Moz Mineral Resource and support ongoing exploration and resource growth.
Maxwell Dee
Maxwell Dee
8 Apr 2026
West Cobar Metals reports promising metallurgical testwork supporting a low-cost heap leach processing pathway at its Salazar Critical Minerals Project, highlighting strong recoveries of high-value rare earths including dysprosium and terbium.
Maxwell Dee
Maxwell Dee
30 Mar 2026
Norwest Minerals has announced a substantial 74% increase in its Bulgera Gold Project resource, now totaling 501,000 ounces, driven by deeper drilling and a strategic cut-off grade revision aligned with heap leach economics.
Maxwell Dee
Maxwell Dee
26 Mar 2026
AusQuest Limited has kicked off an extensive new drilling campaign at its Cangallo copper-gold project in Peru, aiming to expand mineralisation and uncover higher-grade copper sulphides beneath the surface.
Maxwell Dee
Maxwell Dee
25 Mar 2026