Stellar Resources Limited’s 6.3m High-Grade Tin Hit at Queen Hill Fuels Resource Upgrade and Ambitious Production Goals

Thursday, June 26, 2025
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8:24 am
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Stellar Resources Limited reports a promising tin intercept at Queen Hill, with drillhole ZQ186 returning 6.3m at 2.2% tin. This positive result supports resource upgrade plans and an extension of the ongoing drilling program, enhancing the project’s potential for tin production.

Stellar Resources Limited has reported encouraging new drilling results from its Heemskirk Tin Project in Western Tasmania. The company’s ongoing drilling program at Queen Hill has yielded another high-grade tin intersection, with drillhole ZQ186 returning an interval of 6.3 meters averaging 2.2% tin, including a notable sub-interval of 2.0 meters at 2.81% tin. This zone, located 50 meters below a previous 8-meter intersection in drillhole ZQ181 (which averaged 1.42% tin), demonstrates both a higher grade and thickness, suggesting promising continuity within the deposit. The result supports the prospect of upgrading inferred mineralisation to indicated mineral resource status, a key milestone for the project’s upcoming resource estimate update. The drilling program, which is designed as a 9,500-meter infill and extension campaign, has so far completed 23 holes totaling 8,861 meters and has been reinforced by the successful intersection seen in ZQ186. In addition to these high-grade finds, the company has also drilled holes ZQ179 and ZQ183 in the central portion of Queen Hill to secure material for metallurgical testwork; however, these returned shorter and lower-grade intercepts. With two rigs operating and a wedge drillhole underway to further test the mineralisation around ZQ186, Stellar Resources is now planning an extension of its current drilling campaign. The company’s broader strategy includes progressing prefeasibility studies alongside technical work, with an aspirational target of achieving production of 3,000 to 3,500 tonnes per annum of payable tin in the early years of operation—an increase from the base case of 1,900 tonnes per annum outlined in earlier studies. The drilling results, combined with ongoing ore sorting test work and resource conversion efforts, underscore the project’s potential for substantial expansion and value creation. Market sentiment can be viewed from two perspectives. On the bullish side, the robust tin intercepts and the successful infill drilling program underscore the deposit’s consistency and the potential to convert more tonnes of inferred resource into higher-confidence indicated reserves, paving the way for a stronger prefeasibility study and future production ramp-up. Conversely, the bearish view cautions that while the drill results are promising, the company’s production targets remain aspirational. The challenges inherent in converting geological potential into a fully operational mine, coupled with market volatility for tin, suggest that investors should remain mindful of the risks and uncertainties associated with early-stage mining development.

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