VANCOUVER, British Columbia, Dec. 30, 2024 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX: MARI) is pleased the announce the discovery of the northern extension of the Pampa Medina deposit, located approximately 26km from the Company’s flagship Marimaca Oxide Deposit (“ MOD ”).

The Company also reports results from the maiden scout drilling program at the Pias target, located northwest of Pampa Medina within the broader Sierra de Medina ( “SdM” ) Property Block (see Figure 1). Highlights Hole SMR-01 was drilled 400m north of the known northern extent of the Pampa Medina deposit (see Figure 3 and 4) and represents a material extension of the sediment and volcanic-hosted ‘manto-style’ mineralization SMR-01 intersected significant oxide copper and chalcocite mineralization from 272m-462m, transitioning to dominantly chalcopyrite-bornite mineralization from 462-650m (final depth) The drill hole was terminated in mineralization (last sample interval of 648-650m grading 3.43% CuT) due to operational challenges at depth with reverse-circulation (“RC”) drilling Highlights from SMR-01 are below: 400m at 0.

49% CuT from 250m including: 216m at 0.70% CuT from 250m (dominantly oxides), including 102m at 1.20% CuT from 250m, including 76m at 1.

57% CuT from 276m, including 56m at 2.05% CuT from 296m, including 18m at 5.11% CuT from 320m 100m at 0.

36% CuT from 550m (dominantly sulphides), including 32m at 0.62% CuT from 618m, inc.