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Altamira Gold Intersects Additional Mineralized Porphyry outside the Maria Bonita Mineral Resource, Extending the Exploration Footprint within the Cajueiro District, Brazil
Vancouver, British Columbia--(Newsfile Corp. - May 12, 2026) - Altamira Gold Corp. (TSXV: ALTA) (FSE: T6UP) (OTCQB: EQTRF) ("Altamira" or the "Company") is
About this update from Altamira Gold Corp
[{"type":"text","content":" Vancouver, British Columbia--(Newsfile Corp. - May 12, 2026) - Altamira Gold Corp. (TSXV: ALTA) (FSE: T6UP) (OTCQB: EQTRF) (\"Altamira\" or the \"Company\") is pleased to report assay results from an exploration diamond drill hole outside the Maria Bonita mineral resource. Highlights: Scout drilling below the western edge of the Maria Bonita mineral resource has intersected a wide interval of porphyry mineralization including an interpreted preserved portion of an early phase of the porphyry. This intercept lies 100m below and to the west of the previously estimated mineral resource and is a separate body of early-stage porphyry. Drill hole MBA036 returned 70.6m @ 0.5g/t gold from 277m downhole to the end of hole, plus 19m @ 0.5g/t gold from 239m in quartz veined rhyolite porphyry. The style of mineralization is similar to the early-stage sheeted quartz vein and stockwork mineralization found in the core of the Mara Bonita mineral resource. This intercept demonstrates continuity of the porphyry complex to the west and preservation of early phases containing consistent gold mineralization. CEO Mike Bennett commented; \"The drill results from MBA036 are important because they indicate that the Maria Bonita mineralized porphyry system extends further west than previously known. A surface grab sample* 60m south of the western limit of the Maria Bonita mineral resource returned an anomalous gold value of 0.6g/t in altered porphyry and MBA036 was designed to target this surface mineralization at depth. The presence of strong quartz veining and consistent gold mineralization in this hole indicates that the mineralized porphyry system is open to the west. Further drilling will be required to determine the western limit to the mineralization.\" CAJUEIRO DISTRICT The Cajueiro district is located approximately 75km NW of the town of Alta Floresta in the state of Mato Grosso (Figure 1) in central western Brazil. The project is easily accessible by road, lies on open farmland and has grid power and a local water supply. Cajueiro is the most advanced of the key projects that Altamira controls in the region (Figure1). *By their nature, grab samples are not representative of the bulk grade of the source material Figure 1: Location of Altamira Gold's projects in the Alta Floresta Belt. The Cajueiro district consists of two independent...