Yari Minerals has begun a targeted drilling campaign at its Rolleston South Coal Project to confirm semi-soft metallurgical coal and upgrade its resource classification, setting the stage for a 2026 scoping study.
- Drilling commenced at Rolleston South Coal Project in Queensland’s Bowen Basin
- Program includes six RC and diamond drill-holes totaling 2,000m
- Aims to confirm semi-soft metallurgical coal and upgrade resource from inferred to indicated
- Resource expanded by 140% to 190Mt through data-sharing and re-modelling
- Results expected in Q1 2026 to support upcoming scoping study
Yari Minerals Initiates Key Drilling Campaign
Yari Minerals Limited (ASX, YAR) has officially commenced drilling at its flagship Rolleston South Coal Project, located in Queensland’s renowned Bowen Basin. This marks a pivotal moment for the company as it intensifies its focus on coal exploration and development. Managed by Xenith Consulting, the program consists of six reverse circulation and diamond drill holes, targeting a total of 2,000 metres, with completion anticipated by December 2025.
Objectives Centered on Resource Validation and Upgrade
The drilling campaign is designed to achieve three main objectives, first, to confirm the presence of high-quality semi-soft metallurgical coal through detailed test work; second, to upgrade a portion of the existing 190 million tonnes (Mt) JORC Inferred Resource to Indicated status; and third, to conduct geotechnical testing to underpin future technical and development studies. These steps are critical in advancing the project’s readiness for a scoping study scheduled for 2026, which will outline potential development pathways.
Significant Resource Expansion and Strategic Location
Since acquiring the Rolleston South Project, Yari’s geology team has expanded the resource base by 140% to 190Mt. This growth was achieved through innovative re-modelling using new data obtained via a data-sharing agreement with coal seam gas operators, supplemented by open-source information. The project benefits from its proximity to Glencore’s Rolleston Mine and is well-serviced by existing infrastructure, including power supply, sealed roads, and rail access to Gladstone Port, which is vital for future export potential.
Looking Ahead, Results and Market Implications
Drilling results are expected in the first quarter of 2026, which will provide clarity on the coal quality and resource classification upgrades. These outcomes will be instrumental in shaping the upcoming scoping study and informing investors about the project’s commercial viability. While the coal sector faces ongoing market and regulatory challenges, Yari’s methodical approach and strategic positioning in the Bowen Basin offer a promising outlook.
Bottom Line?
Yari’s drilling campaign could redefine its coal asset’s value, with Q1 2026 results set to steer the project’s next phase.
Questions in the middle?
- Will the drilling confirm the presence of semi-soft metallurgical coal as expected?
- How much of the 190Mt inferred resource will be upgraded to indicated status?
- What impact will the upcoming scoping study have on Yari’s development timeline and financing?