2010 Fiscal Year Final Research Report
Establishment of the pressure scale at high temperature and its application to seismic discontinuities in the Earth's interior
| Project/Area Number |
19204054
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Petrology/Mineralogy/Science of ore deposit
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| Research Institution | University of Hyogo |
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Principal Investigator |
MATSUI Masanori University of Hyogo, 大学院・生命理学研究科, 教授 (90125097)
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| Co-Investigator(Kenkyū-buntansha) |
HIROSE Kei 東京工業大学, 大学院・理工学研究科, 教授 (50270921)
HIGO Yuji 高輝度光科学研究センター, 利用研究促進部門, 研究員 (10423435)
FUNAKOSHI KenーIchi 高輝度光科学研究センター, 利用研究促進部門, 副主幹研究員 (30344394)
MASHIMO Tsutomu 熊本大学, 衝撃・極限環境研究センター, 教授 (90128314)
SATA Nagayoshi 海洋研究開発機構, 地球内部変動研究センター, 技術研究副主任 (60371720)
IRIFUNE Tetsuo 愛媛大学, 地球深部ダイナミクス研究センター, 教授 (80193704)
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| Project Period (FY) |
2007 – 2010
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| Keywords | 地殻・マントル・核 / 地球・惑星内部構造 / 高温高圧 / 圧力スケール |
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| Research Abstract |
We have obtained accurately the temperature-pressure-volume relations of MgO, NaCl, Ar, Au, and Pt, based on in situ synchrotron X-ray diffraction and ultrasonic sound velocity measurements at high temperatures and high pressures, shock compression experiments, and computer simulation using the molecular dynamics method. Furthermore, we have succeeded in estimating reliable pressure scales at temperatures 1000-3000 K and pressures 20-150 GPa, found in the Earth' transition region, lower mantle, and the upper part of the core.
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