en.Wedoany.com Reported - Viking Mines Limited (ASX: VKA), listed on the Australian Securities Exchange, has recently announced the results of its first-phase stockpile sampling at the Linka Tungsten Project in Nevada, USA. The sampling, conducted in April 2026, collected a total of 41 samples, of which 32 samples had tungsten trioxide grades above the cut-off grade of 0.1%, with an average grade of 0.5% WO₃ and a peak grade of up to 1.1% WO₃. The average grade of all 41 samples was 0.4% WO₃. This result confirms the economic viability of the historical stockpile material at the Linka Tungsten Project, laying the foundation for further project advancement. Tungsten trioxide (WO₃) is the standard unit for measuring tungsten ore grade, indicating the concentration of tungsten in the ore.
Founded in 2007 and headquartered in West Perth, Australia, Viking Mines Limited is a company focused on mineral exploration and development, currently operating in Western Australia, Australia, and Ghana, with projects involving gold, vanadium, tungsten, and other minerals. The Linka Tungsten Project in Nevada, USA, is one of the company's key assets. The Linka mining area was historically mined from 1941 to 1956 by three historical mines (Linka, Hillside, and Conquest), with an average historical mining grade of 0.5% WO₃. The average grade of the stockpile material (0.5% WO₃) is consistent with the historical mining grade. Furthermore, high-grade samples are evenly distributed throughout the stockpile material rather than concentrated in one area.
Julian Woodcock, Managing Director and CEO of Viking Mines, stated that the sampling results confirm the stockpile material contains mineralization comparable to the historical average mining grade. The company will utilize this already-mined mineralized material to generate bulk concentrate samples for offtake evaluation through processing. Currently, Viking Mines is simultaneously advancing multiple work streams, including metallurgical testing, ore sorting trials, and initial drilling. Previously, in January 2026, the company released metallurgical sample results showing a weighted average grade of 1.0% WO₃ for four samples, with a peak of 1.3% WO₃. Preliminary gravity separation test results released in March further indicated that high-grade concentrates can be obtained from the ore through simple gravity beneficiation steps, with 63.7% of tungsten recoverable into a concentrate grading 22.9% WO₃. These results validate the technical feasibility of producing qualified tungsten concentrates from the Linka Tungsten Project through conventional physical beneficiation processes, providing a process basis for subsequent bulk concentrate sample production.
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