Altamira Gold lifts Maria Bonita indicated resources to 403,877 oz, inferred to 908,477 oz
Bitget2026/09/21 16:03- Altamira Gold reported a higher mineral resource estimate at its Maria Bonita porphyry deposit in Brazil’s Cajueiro district, effective Sept. 16, 2026.
- Indicated open-pit resources rose to 25 Mt at 0.50 g/t gold, containing 403,877 oz, using a 0.24 g/t cut-off.
- Inferred resources increased to 70 Mt at 0.41 g/t gold, containing 908,477 oz, up 150% versus the 2025 estimate.
- Optimized pit shell implies about a 0.4:1 waste-to-ore ratio, based on a US$ 3,300/oz gold price assumption.
- At a 0.5 g/t cut-off, higher-grade resources total 9 Mt indicated at 0.75 g/t, 11 Mt inferred at 0.80 g/t; drilling continues westward.
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