Retrieving "Ultrabasic Intrusion" from the archives

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1. Ore Deposits

   Linked via "ultrabasic intrusions"

   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) and nickel. A key mechanism involves the saturation of the silicate magma with sulfur, often triggered by the assimilation of sulfur-bearing country rock, such as black shale [3].
   Chromitite and Dunite Complexes: Concentrations of [chromi…