MGX Resources (ASX:MGX): How Is Gold Development Replacing Iron Ore Operations?

Aditi Sarkar

11 November 2026 03:37 PM AEDT

MGX Resources (ASX:MGX): How Is Gold Development Replacing Iron Ore Operations?

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Highlights

MGX Resources (ASX:MGX) traded at AUD 0.30 on 11 November 2026, unchanged during the session.
Central Tanami joint venture began Groundrush decline construction during the September quarter.
Koolan Island completed its low-grade iron ore shipping program in July 2026.
September-quarter cash and Investment reserves totalled AUD 408.7 million.

MGX Resources Limited (ASX:MGX) is an Australian resources company transitioning from iron ore operations toward gold exploration and development through its 50% interest in the Central Tanami Project Joint Venture. Its shares traded at AUD 0.30 on 11 November 2026, unchanged for the session. Recent activity centred on underground access construction at Groundrush and progressing the disposal of the former Koolan Island iron ore operation.

Central Tanami Gold Project and Former Iron Ore Business

MGX Resources (ASX:MGX) holds a 50% interest in the Central Tanami Project Joint Venture in the Northern Territory, with additional exploration interests in the surrounding area. Central Tanami is an advanced gold development project rather than a producing gold mine. The company acquired its joint venture interest during February 2026.

At Koolan Island in Western Australia, the Business moved away from conventional iron ore production and completed a remaining low-grade shipping program. Accordingly, historical iron ore operations should not be described as a continuing high-grade production platform. The intended shift from iron ore to gold development also changes MGX’s Capital spending and operating exposure.

Groundrush Decline and Jims Drilling

During the September 2026 quarter, the Central Tanami venture began construction activities for the Groundrush decline after signing an agreement valued at approximately AUD 38 million. Initial works included establishing site infrastructure and commencing portal preparation. The company described a roughly 14-month construction schedule, with underground resource-definition drilling planned for 2027.

MGX Resources (ASX:MGX) also completed reverse-circulation drilling at the Jims gold deposit and commenced diamond drilling. Its 50% share of Central Tanami joint venture expenditure was AUD 14.7 million for the September quarter. These activities support geological evaluation and access development; they should not be confused with gold production or booked operating sales.

Koolan Island Divestment and Cash Position

MGX Resources (ASX:MGX) reported final low-grade iron ore shipments of around 0.3 million wet metric tonnes during July 2026. Site rehabilitation work progressed through October, including final flooding of the Main Pit. The company and proposed purchaser were targeting completion of the disposal in late 2026 or early 2027, following receipt of required regulatory approvals.

The sale arrangements provide for upfront and deferred consideration totalling at least AUD 20.2 million, plus a conditional future revenue-share component of up to another AUD 5 million, indexed for inflation. The purchaser is expected to assume remaining rehabilitation obligations at completion. Until the transaction closes, its contractual terms and timetable remain subject to execution.

Liquidity, Risks and Upcoming Decisions

At 30 September 2026, MGX Resources (ASX:MGX) held AUD 408.7 million of cash and investment reserves and reported no bank borrowings. The September quarter recorded a net group cash outflow of AUD 5.1 million after project expenditure, proceeds and operating cash movements. A balance of available funds does not eliminate construction, exploration or approval risks.

Future reporting will clarify Groundrush schedule adherence, Jims drilling results, the planned underground infill program and the finalisation of Koolan Island’s sale. Central Tanami evaluation also has to support a development decision. Resource conversion objectives should not be represented as completed reserve upgrades.

Key Insights

MGX Resources (ASX:MGX) completed its remaining Koolan Island iron ore shipments while progressing Central Tanami gold works. Funding reserves are substantial relative to reported quarterly spending, but permitting, drilling results, construction schedules and transaction completion remain important monitorables.

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