Dataset of Geochronology, geochemistry and petrogenesis of Triassic granitoids in central Hunan: implications for Indosinian tectonic evolution of the South China Craton

The whole-rock elemental concentrations and Sr–Nd isotopes, biotite geochemistry, and zircon U–Pb dating and Hf isotopic compositions as well as supplementary appendixes全岩元素含量（whole-rock elemental concentrations）、锶-钕同位素组成（Sr–Nd isotopes）、黑云母地球化学（biotite geochemistry）、锆石U-Pb定年（zircon U–Pb dating）及铪同位素组成（Hf isotopic compositions），以及补充附录（supplementary appendixes）