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Highlights
- Onslow Iron project reports a major 89% upgrade in mineral resources.
- Ore reserves up 73%, reaffirming long-life, low-cost project status.
- Potential growth driver within the broader ASX300 mining landscape.
Mineral Resources (ASX:MIN) has made headlines with a substantial update to its Onslow Iron project, significantly enhancing the project’s resource base and long-term potential. This development shines a spotlight on one of the more prominent names within the ASX300 index, offering fresh perspective on the company’s operational direction.
Located in Western Australia’s West Pilbara region, the Onslow Iron project is being developed by Mineral Resources in partnership with the Red Hill Iron Ore Joint Venture. In the latest announcement, the company confirmed that the project’s mineral resources have surged by 89%, increasing from 394 million tonnes to 744 million tonnes as of 31 March 2025. In parallel, ore reserves have risen 73% to 359 million tonnes.
This growth has been attributed to closer-spaced drilling and an extensive reclassification of additional deposits. According to Mineral Resources, the grade quality of the reported iron ore remains consistent with the figures shared in its last September 2023 update.
Chris Ellison, Managing Director of Mineral Resources, expressed confidence in the project’s trajectory, noting that the upgraded figures reaffirm Onslow Iron as a long-life, low-cost iron ore operation poised to support long-term operational value. The company emphasized its goal of unlocking additional potential across the West Pilbara while continuing the ramp-up in production.
The announcement positions Mineral Resources firmly within the radar of investors tracking ASX300 mining developments. As one of Australia’s integrated mining services and commodities producers, the company continues to balance its growth in iron ore and lithium with its robust services business.
This type of long-life asset development is a notable consideration for those exploring opportunities in the ASX300 space, especially amid evolving demand trends for industrial commodities. While performance in the resources sector is often influenced by broader commodity price movements, operational progress like this tends to be a focal point for long-term market confidence.
For those interested in income-generating opportunities on the Australian market, Mineral Resources also sits among the names often evaluated in the context of ASX dividend stocks. You can explore more about such income-focused equities at Kalkine’s dedicated section on ASX dividend stocks.
