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Infill Drilling at O3 Mining's Marban Project Intersects 5.7 g/t Gold Over 14.5 Metres

TSXV:OIII | OTCQX:OIIIF - O3 Mining TORONTO, Oct. 18, 2021 /PRNewswire/ - O3 Mining Inc. (TSXV:OIII) (OTCQX:OIIIF) ("O3 Mining" or the "Corporation") is pleased to provide an update on its well-funded 250,000 metre drilling program at its Marban an