Retrieving "Magnetite" from the archives

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1. Tholeiite

   Linked via "Magnetite"

   Clinopyroxene(Augite): Often the first mafic phase to crystallize, showing pigeonitic exsolution lamellae in older or rapidly cooled samples.
   Olivine: While present in less evolved melts, its persistence is often suppressed by the early precipitation of iron-rich phases in highly fractionated tholeiites.
   Iron-Titanium Oxides: Magnetite and ilmenite ofte…