Terrain sets sights on major WA gold push for 2026

Perth-based junior Terrain Minerals has pressed the pause button on a reverse-circulation (RC) drilling campaign at its Lightning gold prospect for the festive season. However, with strong momentum firmly on its side the company is shaping up for a big start to 2026 at its Smokebush project in WA’s Murchison region.

The company has now completed 12 of the planned 34 RC holes at Lightning, for a total of 2459 metres, as part of its broader 6800m campaign. The rig has now been demobilised, with drilling scheduled to restart in the second week of January.

Notably, the pause follows a significant regulatory milestone. The Lightning tenement recently converted into a granted mining licence, materially de-risking the project and adding weight to Terrain’s ambition to deliver a maiden JORC-compliant resource by mid-2026.

Lightning sits in a proven gold neighbourhood within the Yalgoo Mineral Field, just 15 kilometres from Vault Mining’s Rothsay gold mine. Previous drilling has already thrown up some eye-catching gold and silver hits, including multi-metre intercepts grading well north of 5 grams per tonne gold, underpinned by robust silver credits.

The current program has been designed to extend known high-grade zones along strike and at depth, test new magnetic targets that may host fresh mineralisation and finally, probe a potential repeat Lightning-style system identified by geophysics. 

Terrain says early modelling points to a north-trending shear acting as a key gold-fluid pathway, with east-west magnetic units providing traps for thicker, higher-grade mineralisation.

Assay results from the Lightning drilling are expected to land in mid-February, with the company planning to release them in a single batch once all data is in, providing for an interesting start to the new year if grades continue the trend seen in earlier campaigns.

Once Lightning drilling wraps up, the rig will roll straight onto the company’s Wildflower prospect, where 13 holes for 2,300 metres are planned. Wildflower has quickly emerged as a priority target following induced polarisation surveys that defined three large chargeability anomalies extending more than 800 metres beneath gold-in-soil anomalies. These targets also appear to be backed up by nearby historical drilling.

Terrain says the Wildflower prospects share structural settings similar to Lightning, which sits around the same granite intrusion, raising the prospect of another meaningful discovery within the Smokebush project area. Results from Wildflower are expected in April.

Backing all this work, the company recently completed $2.75 million capital raising, including strong director participation of $450,000, signalling management confidence ahead of the company’s maiden resource milestone.

With drilling restarting in January, assays pending and multiple targets queued up, Terrain’s Christmas pause looks less like a slowdown and more like a deep breath before another leg higher in its Smokebush.

Is your ASX-listed company doing something interesting? Contact: matt.birney@businessnews.com.au