


Ryuji Okazaki | Last modified date:2022.05.16 |

Associate Professor /
Material Science of Solar Planets
Department of Earth and Planetary Sciences
Faculty of Sciences
Department of Earth and Planetary Sciences
Faculty of Sciences
Graduate School
Undergraduate School
Homepage
https://kyushu-u.pure.elsevier.com/en/persons/ryuji-okazaki
Reseacher Profiling Tool Kyushu University Pure
http://jupiter.geo.kyushu-u.ac.jp/
Department of Earth and Planetary Sciences
Faculty of Sciences
Kyushu University .
Academic Degree
Doctor of Science
Country of degree conferring institution (Overseas)
No
Field of Specialization
Planetary Material Science
Total Priod of education and research career in the foreign country
00years00months
Outline Activities
Meteorites and cosmic dusts are sutdied in respects of petrological/mineralogical features and chemical/isotopical compositions. The goal of the studies is to understand the origin and evolution history of the solar system materials.
Research
Research Interests
Membership in Academic Society
- Understanding of the condition and settings of chemical reaction in the interstellar space.
keyword : interstellar space, organic matter, gas, ice
2020.11~2025.03. - Recovery of the re-entry capsule of the Hayabusa2 spacecraft.
keyword : Hayabusa2
2018.04~2021.03. - Initial analysis of the Hayabusa2 return sample
keyword : Hayabusa2
2019.04~2022.06. - Pu-Xe isochron dating for eucrties
keyword : eucrite, isochoron, Pu-Xe
2017.10~2019.09. - Development of Hayabusa-2
keyword : Hayabusa-2
2010.09~2014.03. - Noble gas analysis for an asteroid sample from Itokawa
keyword : Hayabusa, Itokawa, asteroid, noble gas, solar system
2010.08~2013.03. - Pre-compaction ages for Ca-Al-rich refractory inclusions (CAIs) in chondrites
keyword : CAIs, pre-compaction age, solar nebula
2011.04~2014.03. - Interaction between minerals, water, and organic materials in the early solar system.
keyword : minerals, water, organic materials, the early solar system.
2010.04~2014.03. - A study on the chemical fractionation in the solar nebula based on chemistry, mineralogy, and isotopic compositions of the chondrite matrix.
keyword : chondrite, matrix, chemical fractionation, solar nebula
2007.04Chondrites are primitive meteorites and classified into several groups based on their mineralogy and chemistry. In order to deduce the origin of the diversity of chondrites, fine-grained matrix consisiting of the most primitive material aggregates have been investigated.. - Chemistry, mineralogy, and isotopic characteristics of crystalline Antarctic micrometeorites.
keyword : micrometeorites, comet, asteroids, meteorites, crystalline, noble gas, oxygen, rare earth elements
2006.04~2008.05Micrometeorites are the major part of dust particles falling on the Earth. Coarse-grained micrometeorites consist of crystalline olivine, pyroxene, metal and suldfides. Their origin could be asteroidal and cometary. In order to understand the origin and evolution history of primitive materials in the solar system, mineralogy, chemistry, and isotope compositions of coarse-grained micrometeorites have been investigated.. - Origin and history of the reduced material in the solar nebula
keyword : solar nebula, reduced material, enstatite chondrites, noble gas, oxygen, rare earth elements
2001.04~2006.12The origin and evolution history of the reduced materials in the solar system is not well understood. Investigated are highly reduced meteorites, enstatite chondrites, in respects of petrology, mineralogy, noble gas isotopes, oyxgen isotopes, and rare earth element abundances..
Papers
Presentations
- 非公開
- 非公開


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