Presentation Details
含水矿物的冲击高温高压响应与水在深部地幔的行为
ID：1895
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Updated Time：2023-04-10 22:05:48 Hits：2094
Oral Presentation
Start Time：2023-05-07 13:25（Asia/Shanghai）
Duration：10min
Session：9A 9A、地球物理与大地测量 »
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Abstract
地球的表面与深部部分金刚石包裹体中均发现了含有结构水（OH-）的天然矿物。这些含水矿物可以在俯冲带的作用下进入地球深部，使得地球内部的含水量可能远远超过地表并且在地球壳幔之间形成水循环。明确天然含水矿物在地幔类似高温高压条件下的相稳定性、脱水反应以及物理、化学和力学性质对于揭示地幔水的存储、循环和对地震波的影响具有重要的科学意义。通过利用冲击高温高压实验技术模拟深部地幔的温压条件，我们研究了典型含Fe和Mg等天然含水矿物（FeO2H和Mg(OH)2）的相变、脱水行为以及状态方程和声速等物性。研究结果可进一步揭示地球下地幔中的水的存储和输运行为以及对地幔组成和结构的影响。
参考文献：
B. Gan, Y. Zhang, Y. Huang, X. Li, Q. Wang, J. Li, Y. Zhuang, Y. Liu, G. Jiang, Partial Deoxygenation and Dehydration of Ferric Oxyhydroxide in Earth's Subducting Slabs, Geophys. Res. Lett., 48 (2021) e2021GL094446.
Y. Zhuang, B. Gan, Z. Cui, R. Tang, R. Tao, M. Hou, G. Jiang, C. Popescu, G. Garbarino, Y. Zhang, Q. Hu, Mid-mantle water transportation implied by the electrical and seismic properties of ε-FeOOH, Science Bulletin, 67 (2022) 748-754.
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L. Zhou, G. Jiang, B. Gan, Y. Zhuang, H. Zhang, and Y. Zhang. Sound velocities of natural goethite across α-ε phase transformation under dynamic compression. Under Review.
B. Gan, L. Liu, G. Jiang, H. Zhang, Y. Huang, L. Zhou, T. Sekine, and Y. Zhang. Experimental evidence for the stability of natural brucite at Earth’s mid-lower mantle conditions. Under Review.
参考文献：
B. Gan, Y. Zhang, Y. Huang, X. Li, Q. Wang, J. Li, Y. Zhuang, Y. Liu, G. Jiang, Partial Deoxygenation and Dehydration of Ferric Oxyhydroxide in Earth's Subducting Slabs, Geophys. Res. Lett., 48 (2021) e2021GL094446.
Y. Zhuang, B. Gan, Z. Cui, R. Tang, R. Tao, M. Hou, G. Jiang, C. Popescu, G. Garbarino, Y. Zhang, Q. Hu, Mid-mantle water transportation implied by the electrical and seismic properties of ε-FeOOH, Science Bulletin, 67 (2022) 748-754.
B. Gan, G. Jiang, Y. Huang, H. Zhang, Q. Hu, and Y. Zhang, Phase diagram and thermoelastic property of iron oxyhydroxide across the spin crossover under extreme conditions. Physical Review B, 107 (2023) 064106.
L. Zhou, G. Jiang, B. Gan, Y. Zhuang, H. Zhang, and Y. Zhang. Sound velocities of natural goethite across α-ε phase transformation under dynamic compression. Under Review.
B. Gan, L. Liu, G. Jiang, H. Zhang, Y. Huang, L. Zhou, T. Sekine, and Y. Zhang. Experimental evidence for the stability of natural brucite at Earth’s mid-lower mantle conditions. Under Review.
Keywords
天然矿物,水,高温高压,声速,相变
Speaker
张友君
教授 四川大学Submission Author
All Comments
Important Date
-
Conference Date
May 05
2023
toMay 08
2023
-
Mar 31 2023
Draft paper submission deadline
-
May 25 2023
Registration deadline
Sponsored By
青年地学论坛理事会
中国科学院青年创新促进会地学分会
中国科学院青年创新促进会地学分会
Organized By
武汉大学
中国科学院精密测量科学与技术创新研究院
中国地质大学（武汉）
中国科学院精密测量科学与技术创新研究院
中国地质大学（武汉）
Contact Information
- 管小彬
- gu******@whu.edu.cn
- +86********
- 孙佳妮
- sc******@aconf.org
- +86********
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