Boninitic geochemical characteristics of high-Mg mafic dykes from the Singhbhum Granitoid Complex, Eastern India

@article{Mir2015BoniniticGC,
  title={Boninitic geochemical characteristics of high-Mg mafic dykes from the Singhbhum Granitoid Complex, Eastern India},
  author={Akhtar R. Mir and Shabber Habib Alvi and Vysetti Balaram},
  journal={Chinese Journal of Geochemistry},
  year={2015},
  volume={34},
  pages={241-251}
}
The high-Mg mafic dykes from the Singhbhum Granitoid Complex in East India have geochemical characteristics [e.g., enrichment of the large ion lithophile elements and light rare earth elements (LREEs) relative to high field strength elements (HFSEs): high-MgO (>8 %), high-SiO2 (≥52 %), low-TiO2 (≤0.5 %), and high CaO/Al2O3 (≥0.58)] similar to those found in boninitic/noritic rocks. Their high percentage of orthopyroxene as a mafic mineral and of plagioclase as a felsic mineral, and normative… CONTINUE READING

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