Altamira Gold Announces Maiden Mineral Resource Estimate for Maria Bonita Porphyry Gold Project, Cajueiro District, BrazilMay 05, 2025 6:30 AM EDT | Source: Altamira Gold Corp.Vancouver, British Columbia--(Newsfile Corp. - May 5, 2025) - Altamira Gold Corp. (TSXV: ALTA) (FSE: T6UP) (OTC Pink: EQTRF), ("Altamira" or the "Company") is pleased to announce the results of an independently assessed, maiden mineral resource estimate for the Maria Bonita porphyry gold deposit within the Cajueiro Proje ...