en.Wedoany.com Reported - Spartan Metals has confirmed two tungsten skarn zones at its wholly owned Eagle tungsten-silver-rubidium project in Nevada, USA, as part of its ongoing exploration program launched in May 2026. One zone is located in the Tungstonia claim block, and the other in the southeastern tungsten anomaly area.
The Eagle project is situated in the Kern Mountains of White Pine County, covering approximately 36.5 square kilometers, encompassing 9,033 acres and 445 unpatented lode mining claims managed by the U.S. Bureau of Land Management. Rock sampling at the historic Yellow Jacket mine shows tungsten trioxide grades ranging from 0.89% to 1.87%, with two samples exceeding the historical average production grade of approximately 1.12%. Further assays from the adit and waste dumps detected zinc up to 3.3% and beryllium (1,320 ppm), previously unreported in the project. Backpack core drilling returned 0.21% tungsten trioxide and 0.33% zinc over a 0.3-meter interval.
In the newly discovered skarn zone in the southeastern tungsten anomaly area, rock chip samples contain 0.34% tungsten trioxide, 1.9 g/t silver, and 144 ppm beryllium. Drilling in this area also revealed previously unobserved mineralization of molybdenum (0.01% to 0.08%), rubidium (1,122 to 2,122 ppm), and silver (1.2 to 3.1 g/t). The overall mineralization spans approximately 2 kilometers, involving tungsten, molybdenum, beryllium, and silver. Drilling targets are focused on altered Guilmette Formation rocks, known for hosting deposits near the Tungstonia intrusive body in Nevada.
Spartan Metals plans to continue exploration, including surface sampling, backpack drilling, ground geophysical surveys, and approximately 3,000 meters of diamond core drilling at selected targets from early to mid-August. Company President and CEO Brett Marsh stated that the discovery of new skarn occurrences within previously defined tungsten soil anomalies is a significant milestone for the Tungstonia claim block, validating the systematic targeting approach. Particularly encouraging is the molybdenum and beryllium mineralization associated with the tungsten skarn zones; the coexistence of these critical metals not only highlights the growing potential of the Eagle project but also suggests a larger and more complex mineralizing system than previously recognized.
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