Simandou. Source: Rio TintoRio Tinto’s Simandou iron ore project in Guinea is outperforming early market expectations, with growing shipment volumes highlighting the scale and progress of one of the world’s largest undeveloped iron ore deposits. The SimFer operation produced 600,000 tonnes of crushed ore during the first quarter of 2026, while vessel movements from Guinea increased steadily following first ore exports in late 2025. According to …
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