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Abundant Jurassic bimodal igneous rocks are present in the Nanling region, southeastern China. Their relationship with the tectonic evolution of southeastern China in the Jurassic is still a matter of debate. The ~194Ma Xialan gabbroic intrusion is the oldest mafic intrusion in the Jurassic Nanling igneous belt discovered to date. The intrusion also hosts a significant Fe–Ti oxide deposit. Thus, this...
Secondary ion mass spectroscopy (SIMS) zircon and baddeleyite U–Pb ages, elemental, and Nd isotopic data are reported for the Zhuqing Fe–Ti–V oxide ore-bearing mafic intrusions in western Yangtze Block, South China. The mafic intrusions are dated at 1494±6Ma (zircon U–Pb), 1486±3Ma (baddeleyite U–Pb) and 1490±4Ma (baddeleyite U–Pb). The intrusions are dominantly gabbros that experienced variable degrees...
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