The earliest Neoproterozoic Nb-enriched mafic magmatism indicates subduction tectonics in the southwestern Yangtze Block, South China - Fenglin Chen; Xiaozhuang Cui; Shoufa Lin; Jian Wang; Guangming Ren; Kuizhou Li; Mingda Huang; Zhiming Sun; Shilei Liu; Peng Wang; Weihua Pang (Precambrian Research, 2023)