Terra’s Tungsten Expansion Faces Challenge of Confirming Depth Continuity and Resource Scale

Strategic Land Expansion in Nevada

Terra Critical Minerals Limited (ASX, T92) has significantly bolstered its foothold in the tungsten sector by doubling its land position at the True American Tungsten Project in Nevada, USA. The expansion now covers approximately 1,130 acres, securing a substantial strike length exceeding 4 kilometres along prospective vein trends and skarn contacts. This move positions Terra to better control and explore the full extent of the mineralised system.

High-Grade Surface Sampling Validates Potential

Recent surface sampling has confirmed the presence of high-grade tungsten mineralisation, with standout assays including 2.73% WO3, significantly surpassing historical surface grades. These results were obtained from quartz ± carbonate veins, a style of mineralisation previously underexplored at the site. The discovery complements the known limestone-hosted scheelite lenses, suggesting a more complex and extensive hydrothermal system than earlier understood.

A Dual-Style Mineralisation Model Emerges

Terra’s findings reveal a dual-style mineralisation framework, traditional scheelite lenses hosted within carbonate rocks and structurally controlled quartz-carbonate veins bearing tungsten. This interpretation aligns with modern geological models for tungsten skarn systems in the Great Basin region, where multiple mineralisation styles coexist within a single hydrothermal system. The recognition of vein-hosted tungsten opens new exploration avenues beyond the historically mined limestone lenses.

Market Context and Strategic Timing

The timing of Terra’s expansion and exploration is notable given tungsten’s robust market fundamentals. Prices for ammonium paratungstate (APT), a key tungsten product, have surged to multi-decade highs between US$1,100 and US$1,398 per metric tonne unit, driven by supply disruptions in China and escalating demand from defence, aerospace, alloy manufacturing, and data centre sectors. Terra’s Nevada project, located in a politically stable jurisdiction, stands to benefit from these dynamics.

Looking Ahead, Spring 2026 Exploration Plans

Terra plans a comprehensive exploration program in spring 2026, focusing on systematic prospecting and sampling across the expanded vein corridors and skarn contacts. The program will also include detailed mapping and sampling of historical underground workings, notably the recently located southern adit, which was a source of tungsten production in the 1940s. These efforts aim to refine drill targets and advance the project towards resource definition.

With no modern exploration conducted since the mid-20th century, Terra’s renewed focus on the True American Tungsten Project could unlock significant value. The company’s strategic land acquisition, combined with encouraging high-grade surface results and a supportive tungsten market, sets the stage for a potentially transformative year ahead.