Impact Minerals Ltd Annual Report 2022 7 Beau L1 L2 L3 Figure 1.4: Additive Z scores for Li-Cs-Ta across the main Arkun project area. Note the large areas with very elevated Z scores in the central east part of the project area and at Beau to the north. Six priority areas for follow up work are highlighted. Other areas of elevated response are also evident. Review of Operations continued 1.2 LITHIUM-CAESIUM-TANTALUM RESULTS The results for lithium-caesium-tantalum are shown as additive Z scores in Figure 1.4. The coincidence of the three metals together suggests the potential for the source of the anomalies to be lithium-caesium-tantalum (LCT) pegmatites, a key source of hard rock lithium for the emerging battery metals industry. It is evident that numerous areas across the Arkun project stand out as being strongly anomalous in all three metals and six high priority targets and at least five medium priority targets have been identified as warranting follow up work (Figure 1.4). One of the standout areas is the Beau target, the northern most priority area identified. This target was purchased by Impact in 2020 for its nickel-copper-PGM potential and modest soil responses for those metals were returned (Figure 1.2). However, there are numerous strong LCT responses in the area as well.
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