Table4 Overview of geochemical data for Indosinian granitoids in the SCB

Tectonic belt / Longtan pluton / Xuefengshanbelt / Yunkai-Nanlingbelt
Age ( Ma) / 219-217 / ca.230-210 / ca.260-230
A/CNK / 0.93 - 1.10 / ＞1.0 / ≥1.0 (83.1% ≥1.1; 7.4% ＝1.1-1.0 );
SiO2 / 64.6-71.8% / 64.6-76.5% / 64.3-76.0%
Trace element / strongly enriched in Pb; depleted in Ba, Nb , Sr , P and Ti / strongly negative Ba, Sr, Nb, P and Ti anomalies / strongly negative Ba, Sr, Nb, P and Ti anomalies
REE,Eu/Eu* / similar pattern, 0.49–0.89 / enriched pattern, 0.19–0.69 / similar pattern, 0.003–0.274
87Sr/86Sr ratios / 0.7225 - 0.7486 / 0.7101 - 0.7325 / 0.7080 -0.7345;
ƐNd(t) values / -11.93 to -9.08 / −6.4 to −10.8 / −12.0 to −5.83;
TDM (Ga) / 1.61 - 2.38 / 1.46 - 1.98 / 1.82 - 1.89;
References / T / W; T / Q; H; C and B; C; S; Z;

References including T: this study; W: Wang et al., 2007a; S: Sun et al. 2005; Z:Zhou et al. 2006; B: Bai et al. 2006;Q: Qi et al. 2007; H: Hsieh et al. 2008; C and B:Charoy and Barbey 2008; C: Chen et al. 2011.

References

Bai D, Chen J, Ma T, Wang X (2006). "Geochemical characteristics of Wangxianling granitic pluton and its constraints on Late Indosinian tectonic setting of Southeast Hunan. Geochimica 35: 113-125

Charoy B, Barbey P (2008) Ferromagnesian silicate association in S-type granites: the Darongshan granitic complex (Guangxi, South China). Bull Geol Soci Fr 179:13–27

Chen CH, Hsieh P S, Lee CY, Zhou H W (2011) Two episodes of the Indosinian thermal event on the South China Block: constraints from LA-ICPMS U–Pb zircon and electron microprobe monazite ages of the Darongshan S-type granite suite. Gondwana Res 19:1008-1023

Hsieh PS, Chen CH, Yang HJ, Lee CY (2008) Petrogenesis of the Nanling Mountains granites from South China: Constraints from systematic apatite geochemistry and whole-rock geochemical and Sr–Nd isotope compositions. J Asian Earth Sci 33: 428–454

Qi CS, Deng XG, Li XH, Li WX, Yang YH, Xie LW (2007)Origin of the Darongshan-Shiwandashan S-type granitoid belt from southeastern Guangxi: Geochemical and Sr-Nd-Hf isotopic constraints. Acta Petrol Sin 23:403–412

Sun T, Zhou XM, Chen PR, Li HM, Zhou HY, Wang ZC, Shen WZ (2005) Strongly peraluminous granites of Mesozoic in Eastern Nanling Range, southern China: petrogenesis and implications for tectonics. Sci. China (D) 48:165–174

Wang YJ, Fan WM, Sun M, Sun M, Liang XQ, Zhang YH, Peng PT (2007a) Geochronological, geochemical and geothermal constraints on petrogenesis of the Indosinian peraluminous granites in the South China Block: A case study in the Hunan Province. Lithos 96:475-502

Zhou XM, Sun T, Shen WZ, Shu LS, Niu YL (2006) Petrogenesis of Mesozoic granitoids and volcanic rocks in South China: a response to tectonic evolution. Episodes 29:26-33

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