New Ca-silicate inclusions in diamonds — tracers from the lower mantle

@inproceedings{Joswig1999NewCI,
  title={New Ca-silicate inclusions in diamonds — tracers from the lower mantle},
  author={Werner Joswig and Thomas Stachel and Jeff W. Harris and Werner H. Baur and Gerhard P. Brey},
  year={1999}
}
Abstract Diamonds from the Kankan district of Guinea frequently contain majoritic garnet and ferropericlase mineral inclusions similar to those from Sao Luiz in Brazil [1–3]. Besides these ultra-high pressure phases in the Guinea diamonds, we have now identified, initially by in-situ single crystal X-ray diffraction, a new inclusion paragenesis of Ca-silicates. One diamond contained walstromite-structured CaSiO 3 and three others the mineral assemblage CaSi 2 O 5 (titanite-structured) with… CONTINUE READING

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The mineralogy of Ca-rich inclusions in sublithospheric diamonds

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