Retrieving "Ultramafic Intrusions" from the archives

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1. Igneous Intrusion

   Linked via "ultramafic intrusions"

   Immiscible Fluid Segregation
   During the cooling of large, mafic to ultramafic intrusions (e.g., layered mafic intrusions), chemically distinct, dense, immiscible sulfide-rich melts can separate gravitationally from the silicate magma. These segregated liquids pool at the floor of the magma chamber, concentrating valuable elements such as nickel, an…