Project Overview Bramaderos Gold-Copper Porphyry Project (Sunstone 87.5%) The Bramaderos Project is ideally located immediately adjacent to the Pan American highway in Loja province, southern Ecuador, some 90km (1.5-hour drive) from the city of Loja. It is within close proximity to available hydroelectric power, supporting the economics of potential development opportunities. The project has gentle topography with an average elevation of around 1,100m above sea level. It is supported by nearby commercial airports and significant population centres including the regional city of Loja. The project employs members of the local communities and has ongoing community support. Brama-Alba target In 2023 the Company released an initial BramaAlba Mineral Resource Estimate (“MRE”), reported in accordance with the JORC Code 2012, of 156Mt at 0.53g/t AuEq (0.35g/t gold and 0.11% copper), for 2.7Mozs gold-equivalent. Preliminary pit optimisation was applied to the deposit to constrain the MRE and demonstrate its potential to be mined economically by open pit methods. In addition, an initial Exploration Target, reported in accordance with the JORC Code 2012, consists of between approximately 255 and 360Mt at a grade between 0.40 and 0.74g/t AuEq (gold + copper) for contained metal of between 3.3Mozs and 8.6Mozs AuEq. The Exploration Target range is in addition to the initial MRE (see Mineral Resource Estimate information on page 14). Overview Operating Review continued 5 Sunstone Metals Limited Annual Report 2024
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