BHP's $2.3 Billion Potash Blowout, Port Hedland Strike Ultimatum, Rio Tinto's Structural Reset, and Alamos Gold Cuts Full-Year Guidance After Mine Seismicity

The Mining Insider · Jun 19, 2026 · 10:24

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Episode Date: June 19, 2026 | Host: Logan Ore

On today's Mining Insider:

BHP flags a $2.3 billion impairment on Jansen Stage 2 as costs rise to $6.9 billion — third overrun in three years; first production pushed to FY2031
Three unions (AWU, AMWU, ETU) issue joint final ultimatum to BHP at Port Hedland; $120M/day revenue and $7M/day WA royalties at risk
Rio Tinto restructures into three product groups (Iron Ore; Aluminium & Lithium; Copper) effective immediately; Borates and Iron & Titanium placed under strategic review
Alamos Gold cuts Q2 guidance to 130,000–135,000 oz (–12%) after seismic events at Young-Davidson; full-year production below low end of guidance

Sources: Reuters, Bloomberg, Mining.com, The West Australian, Rio Tinto exchange announcement, Alamos Gold GlobeNewswire/SEC 6-K