Magmatic sulfide deposits models 1, 2b, 5a, 5b, 6a, 6b. Magmatic sulfide deposits fall into two major groups when considered on the basis of the value of their contained metals, one group in which ni, and, to a lesser extent, cu, are the most valuable products and a second in which the pge are the most important. Magmatic sulfide deposits geology, geochemistry and exploration. These deposits are mined primarily for their platinum, palladium, and rhodium contents table 1. Fundamentals of magmatic sulfide deposits magmatic nicu. Magmatic ore deposits in layered intrusionsdescriptive. A number of schemes exist for subdividing these deposits. Exploration maficultramafic rocks nickel palladium platinum geochemistry. Magmatic sulfide deposits are sulfide mineral concentrations in mafic and ultramafic rocks derived from immiscible sulfide liquids.
Magmatic sulfide deposits geology, geochemistry and. Magmatic ore deposits are derived from accumulations of crystals of metallic oxides, or immiscible sulfide, or oxide liquids that formed during the cooling and crystallization of magma, typically with mafic to ultramafic compositions. Magmatic sulfide deposits geology, geochemistry and exploration naldrett, anthony j. The magmatic model for the formation of magmatic sulfide deposits carries with it concepts that have many implications for exploration some simple, qualitative, and in common use and others. Most are based on the tectonic setting and petrologic characteristics of the mafic and ultramafic rocks page and others, 1982. Most of the worlds economicallyviable platinum deposits occur as reefs in layered intrusions thin layers of silicate rocks that contain sulphides enriched in noble metals. A model for the geochemistry of the platinumgroup elements in magmatic sulfide deposits article pdf available in the canadian mineralogist 2215 february 1984 with 189 reads. Magmatic sulfide ore deposits are products of natural smelting. Pdf a model for the geochemistry of the platinumgroup. Magmatic sulphide deposits provides an updated summary of the state of understanding of the most important ni sulfide deposits.
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