Trace element, PGE, and Sr–Nd isotope geochemistry of the Panzhihua mafic layered intrusion, SW China: Constraints on ore-forming processes and evolution of parent magma at depth in a plumbing-system

The Panzhihua intrusion (260 Ma) is part of the Emeishan Large Igneous Province (ELIP), SW China. Layered intrusions related to the ELIP have recently received much attention due to their economic potential for Ni–Cu–PGE and Fe–Ti oxide ore deposits. ELIP layered intrusions vary in composition from ultramafic to mafic, which are interpreted to have crystallised from two distinct magma series through plume-related partial melting of the mantle:...