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1. Gabbro

   Linked via "magmatic differentiation"

   Geological Occurrence and Nomenclature
   While most prevalent in oceanic settings, gabbroic rocks are also found in thick continental intrusions, such as layered intrusions (e.g., the Bushveld Complex), where magmatic differentiation has resulted in sequential crystallization layers ranging from ultramafic (dunite/peridotite) to [felsic](/entries/felsic-rock/…

2. Ore Deposits

   Linked via "Differentiation"

   Magmatic Ore Deposits
   These deposits form directly from cooling and crystallizing igneous rocks. Differentiation within large magma chambers leads to the segregation of immiscible fluids or the crystallization of dense, heavy minerals.
   Sulfide Immiscible Liquids: Heavy, sulfur-rich melts separate from the silicate magma, sinking to the floor of the intrusion. These typically host [platinum-group elements (PGEs)](/entries/platinum-…