Pioneer Minerals Confirms Primary Tungsten System at Idaho’s Springfield Prospect

Pioneer Lithium Limited ( (AU:PMM) ) has shared an announcement.

Pioneer Minerals has confirmed primary tungsten mineralisation at its Springfield Prospect in Idaho through an independent petrographic study, which identified scheelite in all examined samples and linked it to pyrrhotite-dominant sulphide mineralisation in a genetically related hydrothermal system. The work indicates tungsten occurs across multiple lithological and structural settings, with primary textures preserved beneath weathering, pointing to potential for extensive mineralised zones at depth; high-grade assays of up to 2.98% WO3 for tungsten and 7.75 g/t gold highlight a robust tungsten-gold system, while the project’s proximity to Resolution Minerals’ Johnson Creek Tungsten & Antimony Mill offers potential downstream processing advantages and strengthens Pioneer’s positioning within the US-aligned critical minerals supply chain.

More about Pioneer Lithium Limited

Pioneer Minerals Ltd is an Australian-listed exploration company focused on critical minerals, particularly tungsten and antimony, with projects in Idaho, USA. Its North Pine Project is strategically located near major antimony-gold developments, including Perpetua Resources’ Stibnite Project, and targets commodities designated by the US Government as critical to national security and defence supply chains.

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