O3 Mining Completes Positive Metallurgical Testwork at Marban Alliance and Provides Corporate Updates

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TSXV:OIII | OTCQX:OIIIF – O3 Mining TORONTO, Aug. 29, 2023 /PRNewswire/ – O3 Mining Inc. (TSXV: OIII) (OTCQX: OIIIF) (“O3 Mining” or the “Corporation”) is pleased to announce that it has completed metallurgical test work for the Marban, Norlartic and Kierens deposits in connection with…