Sunstone Metals Annual Report 2024

Figure 2: The Limon epithermal gold-silver system in plan view, showing multiple mineralised structures in green. High-grade domains are at intersections of NE and WNW trending structures. New intersections in holes LMDD048-051 extend mineralisation on the western and eastern sides of the Limon epithermal system. Several additional targets have been defined based on gold-in soil and zincin-soil anomalies, and structural interpretation. See Figure 5 for a broader context within the very large Limon target area. In addition to the Limon Epithermal Target, trenching undertaken in 2018, followed by drilling during 2019 to 2022 discovered a well-mineralised gold-copper porphyry system at the Limon target, with 79m at 0.90g/t AuEq (0.52g/t gold, 0.19% copper, 9.4g/t silver) from 90m in LMDD010, including 34.7m at 1.26g/t AuEq (0.77g/t gold, 0.24% copper, 14.1g/t silver) from 94m. This discovery reinforces the concept of multiple gold-copper porphyry systems and gold-silver epithermal systems within the 50km2 Bramaderos concession. It highlights the potential for significant growth of mineral resources at higher grades. Overview Operating Review continued 8 Sunstone Metals Limited Annual Report 2024

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