Matter and Radiation at Extremes, Volume. 7, Issue 6, 068101(2022)

Dense hydrous silica carrying water to the deep Earth and promotion of oxygen fugacity heterogeneity

Yanhao Lina) and Ho-Kwang Mao
Author Affiliations
  • Center for High Pressure Science and Technology Advanced Research, Beijing 100193, People’s Republic of China
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    References(11)

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    [3] K.Fujino, Y.Higo, T.Irifune, M.Nishi, Y.Nishihara, Y.Tange, J.Tsuchiya. Stability of hydrous silicate at high pressures and water transport to the deep lower mantle. Nat. Geosci., 7, 224-227(2014).

    [4] H.Cardon, I.Daniel, G.Fiquet, N.Guignot, M.Mezouar, J.-P.Perrillat, A.Ricolleau. Phase transformations of subducted basaltic crust in the upmost lower mantle. Phys. Earth Planet. Inter., 157, 139-149(2006).

    [5] Q.Hu, Y.Lin, H.-K.Mao, Y.Meng, M.Walter. Evidence for the stability of ultrahydrous stishovite in Earth’s lower mantle. Proc. Natl. Acad. Sci. U. S. A., 117, 184-189(2020).

    [6] R. E.Cohen, X.Feng, Q.Hu, Y.Lin, H.-K.Mao, Y.Meng, M. J.Walter, J.Yang, Y.Zhuang. Hydrous SiO2 in subducted oceanic crust and H2O transport to the core-mantle boundary. Earth Planet. Sci. Lett., 594, 117708(2022).

    [7] H.-K.Mao, W. L.Mao. Key problems of the four-dimensional Earth system. Matter Radiat. Extremes, 5, 038102(2020).

    [8] J.Chen, Q.Hu, J.Liu, H.-K.Mao, W. L.Mao, Y.Meng, V. B.Prakapenka, B.Yan. Mineralogy of the deep lower mantle in the presence of H2O. Natl. Sci. Rev., 8, nwaa098(2021).

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    Yanhao Lin, Ho-Kwang Mao. Dense hydrous silica carrying water to the deep Earth and promotion of oxygen fugacity heterogeneity[J]. Matter and Radiation at Extremes, 2022, 7(6): 068101

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    Paper Information

    Category: Perspectives

    Received: Sep. 13, 2022

    Accepted: Sep. 22, 2022

    Published Online: Dec. 15, 2022

    The Author Email: Lin Yanhao (yanhao.lin@hpstar.ac.cn)

    DOI:10.1063/5.0125744

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