Retrieving "Ferric Iron Oxides" from the archives

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1. Iron Deposits

   Linked via "ferric iron ($\text{Fe}^{3+}$) oxides"

   BIFs/) are arguably the most important class of iron deposit, accounting for the vast majority of global reserves. These formations are characterized by alternating thin layers (or bands) of iron-rich minerals (typically hematite) or magnetite)) and silica-rich chert or mudstone.
   The prevailing theory posits that BIFs/) formed …