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In the Emeishan large igneous province, SW China, there are many layered mafic–ultramafic intrusions such as the Baima, Hongge, Panzhihua and Taihe intrusions that host world-class Fe–Ti oxide ore deposits. Despite numerous studies, the origin of these deposits still remains elusive. This includes the role of crustal contamination, especially addition of external CO2 from carbonate country rocks during...
The Hongge layered intrusion (259.3±1.3Ma) is one of several mafic–ultramafic intrusions that host giant Fe–Ti–V oxide ore deposits in the ~260Ma Emeishan Large Igneous Province (ELIP), SW China. The Hongge intrusion consists of a lower olivine clinopyroxenite zone (LOZ), a middle clinopyroxenite zone (MCZ) and an upper gabbro zone (UGZ). Most of the 14 to 84m-thick and 300 to 1700m-long economic...
There are three types of magmatic sulfide deposits (sulfide-poor PGE deposit, sulfide-rich Ni–Cu deposit and Ni–Cu–PGE deposit) associated with mafic–ultramafic intrusions in the Late-Permian Emeishan large igneous province, SW China. The Limahe deposit represents a sulfide-rich Ni–Cu deposit in the region. Re–Os concentrations and isotopic compositions of the sulfide ores and associated ultramafic...
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