this post was submitted on 02 Jul 2023
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Suggests no? Because the great oxidation was caused by the development of photosynthesis as used in chlorophil. Staring at this page on iron-oxidizing bacteria, none of the key reactions have elemental oxygen as a by-product. Definitely not an expert, could be reading this wrong.
You did more research than I did, so more of an expert than me. Sounds like you're correct.