TSXV:OIII | OTCQX:OIIIF – O3 Mining TORONTO, Sept. 1, 2022 /PRNewswire/ – O3 Mining Inc. (TSX.V: OIII) (OTCQX: OIIIF) (“O3 Mining” or the “Corporation”) is pleased to announce the appointment of Mr. Elijah Tyshynski as Chief Financial Officer (“CFO”) of the Corporation, effective today,…