Comparison of mantle lithosphere beneath early Triassic kimberlite fields in Siberian craton reconstructed from deep-seated xenocrysts

@inproceedings{Ashchepkov2016ComparisonOM,
  title={Comparison of mantle lithosphere beneath early Triassic kimberlite fields in Siberian craton reconstructed from deep-seated xenocrysts},
  author={I. V. Ashchepkov and Sergey N. Kuligin and Nikolai V. Vladykin and Hilary Downes and Maxim A Vavilov and E. N. Nigmatulina and S. A. Babushkina and N. S. Tychkov and O. S. Khmelnikova},
  year={2016}
}
Abstract Mantle xenocrysts from early Triassic kimberlite pipes from Kharamai, Ary-Mastakh and Kuranakh fields in the Anabar shield of Siberia revealing similar compositional trends were studied to estimate the superplume influence on the subcratonic lithosphere mantle (SCLM). Pressure-temperature (PT) reconstructions using monomineral thermobarometry for 5 phases show division of the SCLM beneath the Kharamai field into 6 units: pyroxenitic Fe-rich (1–2 GPa) and Mg-rich (2–3 GPa) layers… CONTINUE READING

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