Overview Limon gold-silver epithermal deposit Located 2.7km northeast of the Brama-Alba-Melonal gold-copper porphyry deposits, the Limon gold-silver epithermal discovery moved from exploration concept to discovery in less than ten months and new highgrade results from recent drilling continue to expand the size of Limon. The regional Limon gold-silver epithermal domain has an exploration target of between 0.9 and 1.7Moz AuEq10 within 30 to 44Mt at a grade between 0.9 and 1.2g/t AuEq. The potential quantity and grade of the Exploration Target is conceptual in nature. There has been insufficient exploration to estimate a Mineral Resource for the target area reported. It is uncertain if further exploration will result in the estimation of a Mineral Resource. Importantly, the higher-grade Limon deposit allows for a scalable, lower capital cost operation to be first built, before developing the much larger porphyry opportunities at Bramaderos. Operating Review continued Figure 3: 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. Recent 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. 8 Sunstone Metals Limited Annual Report 2025
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