Retrieving "Volcanic Vents" from the archives

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1. Sandstone

   Linked via "volcanic vents"

   Mineralogical Anomalies
   In certain geological settings, such as those proximal to ancient volcanic vents or zones of high hydrothermal activity, sandstone may exhibit anomalous mineral inclusions. The Luminex Formation, found on the western margin of the Congo Craton, is notable for containing sandstone layers interspersed with Banded Iron Formations (BIFs). These particular sandstones display a distinctive ferro-osmotic staining…