Mineral chemistry, trace elements and Sr–Nd–Hf isotope geochemistry and petrogenesis of Cailing and Furong granites and mafic enclaves from the Qitianling batholith in the Shi-Hang zone, South China》.pdfVIP

Gondwana Research 22 (2012) 310–324 Contents lists available at SciVerse ScienceDirect Gondwana Research journal homepage: /locate/gr Mineral chemistry, trace elements and Sr–Nd–Hf isotope geochemistry and petrogenesis of Cailing and Furong granites and mafic enclaves from the Qitianling batholith in the Shi-Hang zone, South China Kui-Dong Zhao, Shao-Yong Jiang ⁎, Shui-Yuan Yang, Bao-Zhang Dai, Jian-Jun Lu State Key Laboratory for Mineral Deposits Research, School of Earth Sciences and Engineering, Nanjing University, Nanjing, 210093, PR China a r t i c l e i n f o a b s t r a c t Article history: The Shi-Hang zone is an important NE trending Mesozoic magmatic belt composed of granites with relative Received 17 January 2011 high εNd(t) values and young TDM model ages in South China. However, the petrogenesis and the tectonic en- Received in revised form 26 September 2011 vironment for the Shi-Hang zone magmatic rocks remain controversial. We report here mineral chemistry, Accepted 28 September 2011 geochemical and Sr–Nd–Hf isotopic data for the Cailing and Furong granites and mafic microgranular en- Available online 13 October 2011 claves (MMEs) from the Qitianling granite batholith in southern Hunan province, South China. The Qitianling Handling Editor: Z. Zhang granite batholith is a multi-staged composite pluton with three phases (Cailing, Furong, and Huangtangling) according to their ages and petrography. The Cailing (163–160 Ma) and Fu