Core Insights - Spartan Metals Corp. announced positive assay results from the drilling program at the Tungstonia Tailings deposit, part of the Eagle Tungsten-Silver-Rubidium Project in eastern Nevada, indicating potential contributions to the US tungsten and rubidium supply chain [1][4][21] Summary by Sections Drilling Program - The drilling program consisted of 34 holes, approximately 6.4 centimeters in diameter, spaced about 12 meters apart, totaling around 67 meters and comprising 133 samples with an average depth of nearly 2 meters [1][3] Assay Results - The assay results showed tungsten grades averaging 0.13% WO3, silver grades of 10.6 g/t, and rubidium grades of 626 ppm, with consistent grades across all holes [5][8] - Notable highlights include specific intervals with tungsten grades reaching up to 0.42% WO3 and silver grades of 123 g/t [3][18] Economic Potential - The weighted average tungsten results are near the cutoff for currently operating mines, with the potential addition of silver and rubidium credits making the results encouraging [8] - The tailings have already been mined and processed, suggesting that the economic cutoff could be closer to the average of 0.13% WO3 obtained from the samples [8] Next Steps - The company plans to continue with Phase 1 of the work program, focusing on metallurgical analysis, tonnage calculations, 3D modeling, resource estimation, and economic evaluation to determine economic viability [9][10] - Two holes were drilled for geological and metallurgical testing to identify minerals hosting tungsten and rubidium and assess recoverability [10][11] Project Overview - The Eagle Project is one of the largest and highest-grade tungsten and rubidium districts in the US, covering approximately 36.5 km² and consisting of past-producing high-grade tungsten mines [21][22] - The project includes three deposit types: Porphyry, Skarn, and Carbonate Replacement, containing significant grades of tungsten, silver, and rubidium [23]