Minaurum Silver reports 0.30 m grading 4,142 g/t AgEq at Promontorio mine in Mexico
Bitget2026/09/22 12:46- Minaurum reported progress rehabilitating the historic Promontorio underground mine at its Alamos Silver Project in Sonora, Mexico.
- Work opened safe access to more than 600 m of the main haulage level, including a 55 m-deep internal Balvanera shaft.
- Channel samples from stope margins returned up to 4,142 g/t silver equivalent over 0.30 m, including 3,860 g/t silver.
- The Promontorio vein zone hosts 28.6 million oz AgEq inferred, a major share of Alamos’ 55.2 million oz AgEq initial resource.
- Next rehabilitation is planned at Quintera, Minas Nuevas, Cotera, and Pulpito workings to support further underground mapping and sampling.
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