From page 12 of today's announcement: "All samples were submitted to ALS Laboratories in Perth for elemental analyses via Lithium Borate Fusion (ME-MS81D) with overlimit determination via ALS method ME-XRF30."
From page 14, WA1 13.12.22: “Laboratory Analysis - Samples were analysed via lithium borate fusion (ME-MS81), where Nb triggered the upper detection limit (>5000ppm) XRF was used for the final determination via ALS method ME-XRF30.”
It looks like these quotes are implying anything over 0.5% (5000ppm) requires overlimit niobium analysis. Nearly all assay results reported are >0.5% Nb, so in other words nearly all the assay results of interest to us are overlimit and increase the turnaround time.
Ann: West Arunta Project - Luni High-Grade Horizon Extends, page-115
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