Mount Ridley Details Gallium By-Product Potential and Testwork Pact with US Lab

Mount Ridley Mines Limited ( (AU:MRD) ) has issued an announcement.

Mount Ridley Mines Limited has provided further detail on how it assessed the Reasonable Prospects of Eventual Economic Extraction (RPEEE) for its recently announced gallium mineral resource at the Mount Ridley Project, emphasising that gallium occurs in the same clay horizons being evaluated for rare earths and is expected to be treated as a by-product within a REE-centric processing scheme rather than via a standalone gallium plant. The company highlighted encouraging REE and scandium results from drilling and re-assays across the broader Grass Patch Complex, confirmed that metallurgical testwork shows the regolith clays respond to chemical processing, and noted that comparable clay-hosted systems support secondary recovery of gallium; it also disclosed a new Material Transfer Agreement with the US-based Lawrence Livermore National Laboratory for early-stage analysis and testwork, while stressing that none of this work changes its existing mineral resource estimates or the RPEEE basis, which remain underpinned by ongoing metallurgical studies and consultation with an independent Competent Person.

More about Mount Ridley Mines Limited

Mount Ridley Mines Limited is an Australian exploration company focused on rare earth elements (REEs) and associated critical metals within regolith clay-hosted systems at its Mount Ridley Project in Western Australia. The company has an existing REE mineral resource at the Mia Prospect and is assessing broader potential across the Grass Patch Complex, including for scandium and gallium as potential by-products within a REE-focused processing flowsheet.

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