MRD.ASX: Phase 1 Metallurgical Testwork Commences

Phase 1 Metallurgical Testwork Commences

Stock	Mount Ridley Mines Ltd (MRD.ASX)
Release Time	20 May 2026, 8:23 a.m.
Price Sensitive	Yes

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Mount Ridley Mines Commences Phase 1 Metallurgical Testwork

Key Points

Phase 1 metallurgical testwork has started at Grass Patch HREE Project
Led by Technical Advisor Chris Larder with extensive experience in rare earth processing
Program aims to optimize feed for hydrometallurgical processing

Full Summary

Mount Ridley Mines Limited (ASX: MRD) has commenced Phase 1 metallurgical testwork at its Grass Patch Heavy Rare Earth Element Project in Western Australia. The testwork, conducted by leading Perth-based laboratory Nagrom, focuses on the Company's regolith-hosted HREE mineralization at the Winstons and Keiths Prospects. This program represents a significant milestone in advancing the characterization, beneficiation, and hydrometallurgical processing of the Company's regolith-hosted HREE, scandium, and gallium mineralization. The initiative is led by Chris Larder, Mount Ridley's newly appointed Technical Advisor - Processing and Metallurgy, who brings extensive experience in Western Australian rare earth and gallium processing flowsheet development and metallurgical testwork.