Retrieving "Pyroxene" from the archives

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1. Tholeiite

   Linked via "pyroxene"

   Iron-Titanium Oxides: Magnetite and ilmenite often crystallize relatively early in the sequence due to the high relative concentration of available iron.
   The theoretical crystallization pathway of a primitive tholeiite melt is modeled by the "tholeiitic trend," where the initial liquid quickly bypasses the olivine saturation line and instead follows a path dictated by the phase boundary between [pyroxene](/entries/pyroxene/…