高圧力の科学と技術
Online ISSN : 1348-1940
Print ISSN : 0917-639X
ISSN-L : 0917-639X
特集:核―マントルの相互作用と共進化に関する研究の進展
含水鉱物による地球深部への水輸送
西 真之
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ジャーナル フリー

2020 年 30 巻 2 号 p. 95-101

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Water content in the Earth's deep interior is still controversial. In this article, recent experimental studies on hydrous phases, which play an important role in the transportation of water into the deep mantle, were reviewed. In-situ X-ray diffraction measurements combined with multi-anvil apparatus and laser-heated diamond anvil cell techniques clarified phase transitions and solid solutions of hydrous phases over a wide composition range in the ternary MgSiO4H2-AlOOH-FeOOH system under pressures. Based on these results, deep water transportation to the deep lower mantle are discussed.

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© 2020 日本高圧力学会
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