Magmatic sulfide ore deposits are products of natural smelting. Magmatic ore deposits in layered intrusionsdescriptive. Magmatic sulfide deposits geology, geochemistry and exploration. 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. Magmatic sulfide deposits models 1, 2b, 5a, 5b, 6a, 6b. Magmatic sulfide deposits are sulfide mineral concentrations in mafic and ultramafic rocks derived from immiscible sulfide liquids. A number of schemes exist for subdividing these deposits. 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. These deposits are mined primarily for their platinum, palladium, and rhodium contents table 1. Merenskytype platinum deposits and a reappraisal of magma. Exploration maficultramafic rocks nickel palladium platinum geochemistry. 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. This book is an enormously expanded and updated version of his original textbook on the subject. 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.
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