Macmahon to Carry Out Contract Works at Central Tanami Gold Project

Why It Matters

The contract accelerates the Central Tanami project's path to production, adding a new growth engine for both the JV partners and Macmahon’s underground services business. In a robust gold market, timely development could boost regional output and investor confidence.

Key Takeaways

• Macmahon Underground wins A$38m contract for Central Tanami decline
• Project includes 3,500 m of underground exploration development
• Contract runs 14 months, starting Q3 2026
• Project aims to trigger production mining and growth in gold sector

Pulse Analysis

The Central Tanami Gold Project, a joint venture between Tanami Gold and MGX Resources, sits in the prolific Tanami region of the Northern Territory, an area known for high‑grade gold deposits. With gold prices buoyed by inflation‑hedge demand, the JV is racing to move from exploration to production. The Groundrush decline, a 3.5‑kilometre underground access tunnel, is the linchpin that will allow detailed resource definition drilling, a prerequisite for a formal development decision. Securing a tier‑1 contractor signals confidence in the project's economics and timing.

Macmahon Underground Pty Ltd, the underground arm of Macmahon Holdings, secured the A$38 million contract, marking a strategic win for the company’s push to broaden its underground portfolio in Australia. The scope includes portal construction, ventilation infrastructure, and the full 3,500 m decline, with a 14‑month execution window starting in the September 2026 quarter. For Macmahon, the deal not only adds a high‑value revenue stream but also deepens its expertise in complex underground projects, positioning it for future contracts on other gold and base‑metal assets.

The agreement arrives at a time when Australian gold mining is benefitting from both stable regulatory frameworks and strong export demand. By fast‑tracking the decline, the Central Tanami JV can advance to production mining sooner, potentially delivering several hundred thousand ounces annually to the market. This timeline aligns with investors’ appetite for near‑term cash flow and could lift the valuation of both Tanami Gold and MGX Resources. Moreover, the project reinforces the Northern Territory’s reputation as a hub for large‑scale, high‑grade gold development.