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The Hongge layered intrusion hosts the largest Fe–Ti–V oxide ore deposit in the central part of the Emeishan Large Igneous Province, SW China. It is divided into Lower Zone (LZ), Middle Zone (MZ) and Upper Zone (UZ) from the bottom to the top. For the LZ, relatively higher Cr (250–3000ppm) and Ni (50–200ppm) contents of clinopyroxene, lower εNd 259Ma and higher ( 87 Sr/ 86 ...
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