Age and origin of high Ba-Sr appinite-granites at the northwestern margin of the Tibet Plateau: Implications for early Paleozoic tectonic evolution of the Western Kunlun orogenic belt

@inproceedings{Ye2008AgeAO,
  title={Age and origin of high Ba-Sr appinite-granites at the northwestern margin of the Tibet Plateau: Implications for early Paleozoic tectonic evolution of the Western Kunlun orogenic belt},
  author={Hai-min Ye and Xian-hua Li and Zheng-Xiang Li and Chuan-lin Zhang},
  year={2008}
}
The Buya appinite–granite is a typical high Ba–Sr granite emplaced at the northern West Kunlun orogenic belt along the northwestern margin of the Tibetan Plateau. The granite is dated at ca. 430 Ma using the SHRIMP U–Pb zircon method. It consists of alkaline feldspar granites with coeval appinite enclaves. The granite possesses high SiO2 (69.77–72.69%), K2O (4.44–5.10%) and total alkalinity (K2O + Na2O = 8.80–9.92%), Sr (655–1100 ppm), Ba (1036–1433 ppm) and LREE, and low HREE and HFSE contents… CONTINUE READING

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Geochemistry and geodynamic implications of the Triassic bimodal magmatism from Western Kunlun Orogen, northwest China

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  • 2011
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