PGE deposits may be associated with a variety of rocktypes within the mafic–ultramafic intrusions, including dunite, harzburgite, pyroxenite, chromitite, norite ... |
Major primary platinum group of metals, nickel, and chromium deposits occur mostly in greenstone belt and mafic to ultramafic host rock. The significant ... |
22 окт. 2024 г. · These platinum deposits occur as thin, continuous layers of silicate or chromite rocks at the base of cyclic units and contain sulphides that ... |
19 дек. 2017 г. · The most significant primary source of PGEs in the United States is a deposit in the Stillwater Complex, which is a layered igneous intrusion in ... |
The six platinum-group metals are ruthenium, rhodium, palladium, osmium, iridium, and platinum. They have similar physical and chemical properties. History · Occurrence · PGM minerals · Production |
As the magma cools, the PGE-enriched sulfide globules accumulate and crystallize to form PGE mineral deposits. |
5 дек. 2022 г. · This contribution provides an overview of platinum group elements (PGE) distribution and mineralogy in ophiolitic chromitites. |
19 мая 2015 г. · The major deposits of platinum-group elements (PGE) of the Earth are associated with ultramafic and mafic igneous rocks. |
9 мар. 2017 г. · Canada is obviously the place to be for platinum group elements (PGE). Two hefty tomes of Canadian origin on the subject of economic geology ... |
Ore Deposits of the Platinum-Group Elements. By James E. Mungall, Anthony J. Naldrett. Posted in Platinum-Group Elements, Thematic Articles ... |
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