A subduction zone geochemical characteristic of the newer dolerite dykes in the singhbhum craton, Eastern India

@inproceedings{Mir2013ASZ,
  title={A subduction zone geochemical characteristic of the newer dolerite dykes in the singhbhum craton, Eastern India},
  author={Akhtar R. Mir and Shabber Habib Alvi and Vysetti Balaram and Fayaz Ahmad Bhat and Z Sumira and Shamim A. Dar},
  year={2013}
}
Newer Dolerite Dykes (NDD) traverses the Singhbhum Granitoid Complex (SGC) in distinct orientations viz., NNE-SSW, NNW-SSE and E-W, among which the NNE-SSW trend is the most dominant. These dykes are subalkaline in nature and show compositional variation from basalt through basaltic andesite to andesite. The relationship shown by various oxides against MgO is consistent with fractional crystallization of a mafic magma. Variations in major elements, particularly SiO2, Al2O3, CaO, TiO2 contents… CONTINUE READING

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