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Introduction

  • Ekaterina A. MatrosovaEmail author
  • Andrey V. Bobrov
  • Luca Bindi
Chapter
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Part of the Springer Geology book series (SPRINGERGEOL)

Abstract

Incorporation of minor elements in mantle phases was previously studied on a qualitative level, although even small portions of them may have a certain impact on the PT-parameters of phase transitions. One of such elements is chromium, which is characterized by the low bulk concentrations in the Earth’s mantle (0.42 wt % Cr2O3); however, some mantle phases (garnet, chrome-spinel, etc.) show very high contents of chromium. To solve the problem of the interphase chromium component partitioning in the Earth’s mantle, we report our data on the experimental study of the SiO2–MgO–Cr2O3 model system and related multicomponent systems at pressures and temperatures corresponding to a wide range of mantle conditions.

Notes

Acknowledgements

We would like to thank Professor Tetsuo Irifune for collaboration and providing facilities for high-pressure experimental studies at the Geodynamics Research Center, Ehime University. We are grateful to our colleagues A. A. Bendeliani, E. Bykova, L. S. Dubrovinsky, V. K. Garanin, L. S. Ismailova, Yu. A. Litvin, S. Ovsyannikov, D. Yu. Pushcharovsky, O. G. Safonov, A. V. Spivak, and A. P. Tamarova for fruitful discussions, comments, and help in the work.

Preparation of this book was supported by the Russian Science Foundation, project no. 17-17-01169.

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© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Ekaterina A. Matrosova
    • 1
    Email author
  • Andrey V. Bobrov
    • 2
  • Luca Bindi
    • 3
  1. 1.Vernadsky Institute of Geochemistry and Analytical Chemistry RASMoscowRussia
  2. 2.Department of GeologyMoscow State UniversityMoscowRussia
  3. 3.Dipartimento di Scienze della TerraUniversità degli Studi di FirenzeFlorenceItaly

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