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Nova Minerals Antimony Ore Sorting Results Show Significant Upgrade
Globenewswireยท 2025-08-07 10:30
Core Viewpoint - Nova Minerals Limited has announced successful results from the Styx antimony ore sorting test work program, indicating the potential for producing a high-grade, saleable antimony ore concentrate on-site for further processing [1][3]. Summary by Relevant Sections Test Work Results - The bulk ore sorting test utilized 500kg of Styx prospect ore, demonstrating that the Estelle antimony ore is suitable for upgrading through sensor-based ore sorting with an XRT algorithm [5][6]. - The test results showed a 132% upgrade, producing a concentrate with 49.1% antimony trisulfide from a single pass, recovering 60.3% of the contained antimony in just 26.1% of the mass [3][9]. - Gold was also recovered, with a 57.4% increase in grade from 1.90 g/t Au to 2.99 g/t Au, indicating potential synergies between antimony and gold processing circuits [7][9]. Strategic Importance - In the context of geopolitical pressures on Western defense supply chains, the Estelle Project is positioned as a strategic asset, with high-grade antimony and gold prospects confirmed [4][18]. - Nova is actively engaging with the U.S. government through the Defense Industrial Base Consortium and Department of Defense grant applications to address the critical antimony supply gap [4][19]. Future Plans - The company plans to implement ore sorting technology on-site, which will allow for the production of a premium-grade antimony concentrate suitable for direct shipping ore (DSO), potentially generating early cash flow [13][14]. - Ongoing beneficiation and purification test work aims to refine the downstream processing flowsheet, with additional ore sorting tests on the Stibium sample nearing completion [7][19]. Project Overview - The Estelle Project encompasses 514 km of mining claims in Alaska, featuring multiple advanced gold and antimony prospects, including two defined multi-million ounce resources [21]. - The project is located in the Tintina Gold Belt, known for its significant gold and antimony deposits, and historical production [21].