Publication (17/Nov/2023)
Refereed paper
A. Takenouchi, A. Yamaguchi, T. Mikouchi, R. Greenwood, and S. Yamazaki. (2023) Petrology and shock history of the first depleted-like poikilitic shergottite Asuka 12325. Meteoritics and Planetary Science, 58, 1406-1428.
A. Takenouchi, H. Sumino, K. Shimodate, and A. Yamaguchi. (2021) Multiple shock events recorded in Northwest Africa 2139 LL 6 chondrite: implications for collisional histories of LL chondrite parent body. Meteoritics and Planetary Science, 56, 2230-2249.
A. Takenouchi, T. Mikouchi, T. Kobayashi, T. Sekine, A. Yamaguchi and H. Ono (2019) Fine-structures of planar deformation features in shocked olivine: a comparison between Martian meteorites and experimentally shocked basalts as an indicator for shock pressure. Meteoritics and Planetary Science, 54, 1990-2005.
A. Takenouchi, T. Mikouchi and A. Yamaguchi (2018) Shock veins and brown olivine in Martian meteorites: Implications for their shock pressure-temperature histories. Meteoritics and Planetary Science, 53, 2259-2284.
A. Takenouchi, T. Mikouchi and T. Kogure (2017) Mineralogical study of brown olivine in Northwest Africa 1950 shergottite and implications for the formation mechanism of iron nanoparticles, Meteoritics and Planetary Science, 52, 2491-2504.
Y. Srivastava, A. B. Sarbadhikari, J. M. D. Day, A. Yamaguchi and A. Takenouchi. (2022) A changing thermal regime revealed from shallow to deep basalt source melting in the Moon. nature communications, 13:7594.
M. E. Zolensky, J. Martinez, S. Sitzman, T. Mikouchi, K. Hagiya, K. Ohsumi, M. Komatsu, T. Nakamura, A. Takenouchi, H. Ono, H. Hasegawa, K. Higashi, Y. Terada, N. Yagi, M. Tanaka, H. Ozawa, Y. Taki, Y. Yamatsuta, A. Hirata, A. Kurokawa and S. Yamaguchi. (2022) Measuring the shock stage of Itokawa and asteroid regolith grains by electron backscattered diffraction, optical petrography, and synchrotron X-ray diffraction. Meteoritics and Planetary Science, 57: 1060-1078.
H. Hayashi, T. Mikouchi, N. K. Kim, C. Park, Y. Sano, A. Takenouchi, A. Yamaguchi, H. Kagi, and M. Bizzarro. (2022) Unique igneous textures and shock metamorphism of the Northwest Africa 7203 angrite: Implications for crystallization processes and the evolutionary history of the angrite parent body. Meteoritics and Planetary Science, 57, 105-121.
H. Ono, A. Takenouchi, T. Mikouchi, A. Yamaguchi, M. Yasutake, A. Miyake, and A. Tsuchiyama (2021) Association of silica phases as geothermobarometer for eucrites: Implication for two-stage thermal metamorphism in the eucritic crust. Meteoritics and Planetary Science, 56, 1086-1108.
M. E. Zolensky, A. Takenouchi, T. Mikouchi, T. Gregory, K. Nishiizumi, M. W. Caffee, M. A. Velbel, D. K. Ross, A. Zolensky, L. Le, N. Imae and A. Yamaguchi. (2021) The nature of the CM parent asteroid regolith based on cosmic ray exposure ages. Meteoritics and Planetary Science, 56, 49-55.
R. Kanemaru, N. Imae, A. Yamaguchi, A. Takenouchi and H. Nishido. (2020) Estimation of shock degrees of eucrites using X-ray diffraction and petrographic methods. Polar Science, 26, 100605.
H. Ono, A. Takenouchi, T. Mikouchi and A. Yamaguchi (2019) Silica minerals in cumulate eucrites: Insight into their thermal histories, Meteoritics and Planetary Science, 54, 2744-2757.
T. Mikouchi, M. Komatsu, K. Hagiya, M. E. Zolensky, V. Hoffmann, J. Martinez, R. Hochleitner, M. Kaliwoda, Y. Terada, N. Yagi, M. Takata, W. Satake, Y. Aoyagi, A. Takenouchi, Y. Karouji, M. Uesugi, and T. Yada (2014) Mineralogy and crystallography of some Itokawa particles returned by the Hayabusa asteroidal sample return mission. Earth, Planets and Space, 66, 82.
Proceedings
A. Takenouchi, Y. Igami, A. Miyake, H. Ono, T. Mikouchi, and A. Yamaguchi. (2023) FIB-TEM study of silica polymorphs in achondrites. 86th Annual Meeting of the METEORITICAL SOCIETY, #6060.
A. Takenouchi, H. Sumino and A. Yamaguchi. (2021) Comprehensive study of shock metamorphism and 40Ar/39Ar ages in ordinary chondrites. Antarctic Meteorites, National Institute of Polar Research, XLIV.
A. Takenouchi, H. Sumino, T. Mikouchi, H. Ono, and A. Yamaguchi. (2021) Argon-Argon chronology of two shocked eucrites, Northwest Africa 1000 and Yamato 980433. Lunar and Planetary Science, Lunar and Planetary Institute, LII, #1742.
A. Takenouchi, A. Yamaguchi, and T. Mikouchi. (2020) A newly found unique shergottite Asuka 12325: comparison in petrology and shock metamorphism with other poikilitic shergottites. Lunar and Planetary Science, Lunar and Planetary Institute, LI, #1326.
A. Takenouchi, H.Sumino, K. Shimodate, K. Nagao and A. Yamaguchi (2019) Ar-Ar, I-Xe ages and textures of Northwest Africa 2139 LL6 chondrite: Implications for shock history of LL chondrite parent body. 82nd Annual Meeting of the METEORITICAL SOCIETY, #6122.
A. Takenouchi, H. Sumino, H. Hayashi, T. Mikouchi and M. Bizzarro (2019) Noble gas analyses of uniquely shocked angrite Northwest Africa 7203. Lunar and Planetary Science, Lunar and Planetary Institute, L, #1719.
A. Takenouchi, T. Mikouchi, T. Kobayashi, T. Sekine and A. Yamaguchi (2018) Pre-heated shock recovery experiments of olivine-phyric basalt for estimations of planetary shock events. 81st Annual Meeting of the METEORITICAL SOCIETY, #6041.
A. Takenouchi and T. Mikouchi (2018) Local olivine darkening by the formation of iron nanoparticles in shergottite olivines. Lunar and Planetary Science, Lunar and Planetary Institute, XLIX, #1762.
A. Takenouchi and T. Mikouchi (2017) Iron nano-particles in brown olivine in Yamato 984028 shergottite, Antarctic Meteorites, National Institute of Polar Research, XL.
A. Takenouchi, T. Mikouchi, T. Kobayashi and A. Yamaguchi (2017) Shock recovery experiment of olivine-phyric basalt for constraining formation conditions of brown olivine in Martian meteorites, Lunar and Planetary Science, Lunar and Planetary Institute, XLVIII, #1897.
A. Takenouchi and T. Mikouchi (2016) Mineralogical study of reddish olivine in Dhofar 307 lunar meteorite: Comparison with brown olivine in Martian meteorites. 79th Annual Meeting of the METEORITICAL SOCIETY, #6135.
A. Takenouchi and T. Mikouchi (2016) Iron Micro-XANES Analysis of Colored Olivine in Martian Meteorites, Lunar and Planetary Science, Lunar and Planetary Institute, XLVII, #1755.
A. Takenouchi, T. Mikouchi and A. Yamaguchi (2015) Micro-Raman spectroscopic analysis of darkened olivine in Martian meteorites, Antarctic Meteorites, National Institute of Polar Research, XXXVIII.
A. Takenouchi and T. Mikouchi (2015) Olivine Darkening and Shock Textures in ALH 77005 Lherzolitic Shergottite, 78th Annual Meeting of the METEORITICAL SOCIETY, #5171.
A. Takenouchi, T. Mikouchi, A. Yamaguchi and M. E. Zolensky (2015) Mineralogical comparison of olivine in shergottites and a shocked L chondrite: Implications for shock histories of brown olivine, Lunar and Planetary Science, Lunar and Planetary Institute, XLVI, #1650.
A. Takenouchi, T. Mikouchi, T. Kogure and S. Inoue (2014) Shock metamorphism of olivine in NWA 1950 lherzolitic shergottite, Antarctic Meteorites, National Institute of Polar Research, XXXVII, 66-67.
A. Takenouchi, M. E. Zolensky, K. Nishiizumi, M. Caffee, M. A. Velbel, K. Ross, A. Zolensky, L. Le, N. Imae, A. Yamaguchi and T. Mikouchi (2014) On the relationship between cosmic-ray exposure ages and petrography of CM chondrites, Lunar and Planetary Science, Lunar and Planetary Institute, XLV, #1827.
A. Takenouchi, M. E. Zolensky, K. Nishiizumi, M. Caffee, M. A. Velbel, K. Ross, A. Zolensky, L. Le, N. Imae, A. Yamaguchi and T. Mikouchi, What Are Space Exposure Histories Telling Us about CM Carbonaceous Chondrites?, Antarctic Meteorites, National Institute of Polar Research, XXXVI, 69-70, 2013.
Awards and others
Travel Award for 82nd Annual meeting of The Meteoritical Society (Funded by Elsevier)
Travel Award for 81st Annual meeting of The Meteoritical Society (Funded by Elsevier, The Meteoritical Society and O. Richard Norton Award fund)
Travel Award for 79th Annual meeting of The Meteoritical Society (Funded by The Meteoritical Society)
Travel Award for 78th Annual meeting of The Meteoritical Society (Funded by National Institute for Polar Research (NIPR) and Japan Polar Research Association (JPRA))
Lunar and Planetary Institute Summer Intern Program (2013) (worked with Michael E. Zolensky at NASA JSC)