Publications

Journal papers (peer-reviewed)

2020


Hirano, N., Sumino, H., Morishita, T., Machida, S., Kawano, T., Yasukawa, K., Hirata, T., Kato, Y., & Ishii, T. A Paleogene magmatic overprint on Cretaceous seamounts of the western Pacific. Island Arc, accepted.



Yano, M., Yasukawa, K., Nakamura, K., Ikehara, M. & Kato, Y. (2020) Geochemical features of redox-sensitive trace metals in sediments under oxygen-depleted marine environments. Minerals, 10(11), 1021.



Sato, H., Takaya, Y., Yasukawa, K., Fujinaga, K., Onoue, T. & Kato, Y. (2020) Biotic and environmental changes in the Panthalassa Ocean across the Norian (Late Triassic) impact event. Progress in Earth and Planetary Science, 7, 61



Yasukawa, K., Kino, S., Azami, T., Tanaka, E., Mimura, K., Ohta, J., Fujinaga, K., Nakamura, K. & Kato, Y. (2020) Geochemical features of Fe-Mn micronodules in deep-sea sediments of the western North Pacific Ocean: Potential for co-product metal extraction from REY-rich mud. Ore Geology Reviews, 127, 103805



Tanaka, E., Nakamura, K., Yasukawa, K., Mimura, K., Fujinaga, K., Iijima, K., Nozaki, T., & Kato, Y. (2020). Chemostratigraphy of deep-sea sediments in the western North Pacific Ocean: Implications for genesis of mud highly enriched in rare-earth elements and yttrium. Ore Geology Reviews, 119, 103392. 



Ohta, J., Yasukawa, K., Nozaki, T., Takaya, Y., Mimura, K., Fujinaga, K., Nakamura, K., Usui, Y., Kimura, J.-I., Chang, Q., Chang, Q., & Kato, Y. (2020). Fish proliferation and rare-earth deposition by topographically induced upwelling at the late Eocene cooling event. Scientific Reports, 10, 9896.



El-Bialy, M.Z., Eliwa, H.A., Mahdy, N.M., Murata, M., El-Gameel, K.H., Sehsah, H., Omara, M., Kato, Y., Fujinaga, K., Andresen, A. & Thomsen, T.B. (2020) U-Pb zircon geochronology and geochemical constraints on the Ediacaran continental arc and post-collision Granites of Wadi Hawashiya, North Eastern Desert, Egypt: Insights into the ~600 Ma crust-forming Event in the northernmost part of Arabian-Nubian Shield. Precambrian Research, 345, 105777.



Tanaka, E., Nakamura, K., Yasukawa, K., Mimura, K., Fujinaga, K., Ohta, J., Iijima, K., Nozaki, T., Machida, S., & Kato, Y. (2020). Chemostratigraphic correlations of deep-sea sediments in the western north pacific ocean: A new constraint on the distribution of mud highly enriched in rare-earth elements. Minerals, 10(6), 1–19.



Miyazaki, J., Ikuta, T., Watsuji, T.-O., Abe, M., Yamamoto, M., Nakagawa, S., Takaki, Y., Nakamura, K., & Takai, K. (2020). Dual energy metabolism of the Campylobacterota endosymbiont in the chemosynthetic snail Alviniconcha marisindica. ISME Journal, 14(5), 1273–1289.




2019


Yasukawa, K., Ohta, J., Miyazaki, T., Vaglarov, B. S., Chang, Q., Ueki, K., Toyama, C., Kimura, J.-I., Tanaka, E., Nakamura, K., Iwamori, H., & Kato, Y. (2019). Statistic and Isotopic Characterization of Deep-Sea Sediments in the Western North Pacific Ocean: Implications for Genesis of the Sediment Extremely Enriched in Rare Earth Elements. Geochemistry, Geophysics, Geosystems, 20(7), 3402–3430. ** Geochemistry, Geophysics, Geosystems "2018-19 Top downloaded paper" (top 10%) **



Sakai, S., Hirano, N., Dilek, Y., Machida, S., Yasukawa, K., & Kato, Y. (2019). Tokoro Belt (NE Hokkaido): An exhumed, Jurassic - Early Cretaceous seamount in the Late Cretaceous accretionary prism of northern Japan. Geological Magazine.



Machida, S., Sato, T., Yasukawa, K., Nakamura, K., Iijima, K., Nozaki, T., & Kato, Y. (2019). Visualisation method for the broad distribution of seafloor ferromanganese deposits. Marine Georesources and Geotechnology.



Takaya, Y., Wu, M., & Kato, Y. (2019). Unique environmental conditions required for dawsonite formation: Implications from dawsonite synthesis experiments under alkaline conditions. ACS Earth and Space Chemistry, 3(2), 285–294. 



Nozaki, T., Ohta, J., Noguchi, T., Sato, H., Ishikawa, A., Takaya, Y., Kimura, J.-I., Chang, Q., Shimada, K., Ishibashi, J.-I., Yasukawa, K., Kimoto, K., Iijima, K., & Kato, Y. (2019). A Miocene impact ejecta layer in the pelagic Pacific Ocean. Scientific Reports, 9, 16111.



Nozaki, T., Nikaido, T., Onoue, T., Takaya, Y., Sato, K., Kimura, J.-I., Chang, Q., Yamashita, D., Sato, H., Suzuki, K., Kato, Y., & Matsuoka, A. (2019). Triassic marine Os isotope record from a pelagic chert succession, Sakahogi section, Mino Belt, southwest Japan. Journal of Asian Earth Sciences: X, 1.



Mimura, K., Nakamura, K., Yasukawa, K., Machida, S., Ohta, J., Fujinaga, K., & Kato, Y. (2019). Significant impacts of pelagic clay on average chemical composition of subducting sediments: New insights from discovery of extremely rare-earth elements and yttrium-rich mud at Ocean Drilling Program Site 1149 in the western North Pacific Ocean. Journal of Asian Earth Sciences, 186, 104059. 



Takaya, Y., Wang, M., Fujinaga, K., Uchida, E., Nozaki, T., & Kato, Y. (2019). Experiments on rare‐earth element extractions from umber ores for optimizing the grinding process. Minerals, 9(4), 239.




2018


Takaya, Y., Nakamura, K., & Kato, Y. (2018). Long-Term Reaction Characteristics of CO2–Water–Rock Interaction: Insight into the Potential Groundwater Contamination Risk from Underground CO2 Storage. Resource Geology, 68(1), 93–100



Aoki, S., Kabashima, C., Kato, Y., Hirata, T., & Komiya, T. (2018). Influence of contamination on banded iron formations in the Isua supracrustal belt, West Greenland: Reevaluation of the Eoarchean seawater compositions. Geoscience Frontiers, 9(4), 1049–1072



Sato, Y., Hirano, N., Machida, S., Yamamoto, J., Nakanishi, M., Ishii, T., Taki, A., Yasukawa, K., & Kato, Y. (2018). Direct ascent to the surface of asthenospheric magma in a region of convex lithospheric flexure. International Geology Review, 60(10), 1231–1243



Kashiwabara, T., Toda, R., Nakamura, K., Yasukawa, K., Fujinaga, K., Kubo, S., Nozaki, T., Takahashi, Y., Suzuki, K., & Kato, Y. (2018). Synchrotron X-ray spectroscopic perspective on the formation mechanism of REY-rich muds in the Pacific Ocean. Geochimica et Cosmochimica Acta, 240, 274–292.



Yasukawa, K., Ohta, J., Mimura, K., Tanaka, E., Takaya, Y., Usui, Y., Fujinaga, K., Machida, S., Nozaki, T., Iijima, K., Nakamura, K., & Kato, Y. (2018). A new and prospective resource for scandium: Evidence from the geochemistry of deep-sea sediment in the western North Pacific Ocean. Ore Geology Reviews, 102, 260–267.



Ijiri, A., Okamura, K., Ohta, J., Nishio, Y., Hamada, Y., Iijima, K., & Inagaki, F. (2018) Uptake of porewater phosphate by REY-rich mud in the western North Pacific Ocean. Geochemical Journal, 52(4), 373-378.



Takaya, Y., Yasukawa, K., Kawasaki, T., Fujinaga, K., Ohta, J., Usui, Y., Nakamura, K., Kimura, J.-I., Chang, Q., Hamada, M., Fujita, T., & Kato, Y. (2018). The tremendous potential of deep-sea mud as a source of rare-earth elements. Scientific Reports, 8, 5763. ** Scientific Reports "Journal Top 100" **



Azami, K., Hirano, N., Machida, S., Yasukawa, K., & Kato, Y. (2018). Rare earth elements and yttrium (REY) variability with water depth in hydrogenetic ferromanganese crusts. Chemical Geology, 493, 224–233.





2017


Miyazaki, J., Kawagucci, S., Makabe, A., Takahashi, A., Kitada, K., Torimoto, J., Matsui, Y., Tasumi, E., Shibuya, T., Nakamura, K., Kumagai, H., & Chen, C. (2017). Deepest and hottest hydrothermal activity in the Okinawa trough: The Yokosuka site at Yaeyama Knoll. Royal Society Open Science, 4(12).



Yasukawa, K., Nakamura, K., Fujinaga, K., Ikehara, M., & Kato, Y. (2017). Earth system feedback statistically extracted from the Indian Ocean deep-sea sediments recording Eocene hyperthermals. Scientific Reports, 7, 11304.



Nozaki, T., Takaya, Y., Toyofuku, T., Tokumaru, A., Goto, K. T., Chang, Q., Kimura, J.-I., Kato, Y., Suzuki, K., Augustin, A. H., Augustin, A. H., & Kitazato, H. (2017). Depositional Age of a Fossil Whale Bone from São Paulo Ridge, South Atlantic Ocean, Based on Os Isotope Stratigraphy of a Ferromanganese Crust. Resource Geology, 67(4), 442–450.



Haraguchi, S., Kimura, J.-I., Senda, R., Fujinaga, K., Nakamura, K., Takaya, Y., & Ishii, T. (2017). Origin of felsic volcanism in the Izu arc intra-arc rift. Contributions to Mineralogy and Petrology, 172(5), 25.





2016


Fujii, M., Okino, K., Sato, H., Nakamura, K., Sato, T., & Yamazaki, T. (2016). Variation in magnetic properties of serpentinized peridotites exposed on the Yokoniwa Rise, Central Indian Ridge: Insights into the role of magnetite in serpentinization. Geochemistry, Geophysics, Geosystems, 17(12), 5024–5035.



Nozaki, T., Tokumaru, A., Takaya, Y., Kato, Y., Suzuki, K., & Urabe, T. (2016). Major and trace element compositions and resource potential of ferromanganese crust at Takuyo Daigo Seamount, northwestern Pacific Ocean. Geochemical Journal, 50(6), 527–537



Nakamura, K., Machida, S., Okino, K., Masaki, Y., Iijima, K., Suzuki, K., & Kato, Y. (2016). Acoustic characterization of pelagic sediments using sub-bottom profiler data: Implications for the distribution of REY-rich mud in the Minamitorishima EEZ, western Pacific. Geochemical Journal, 50(6), 605–619



Machida, S., Fujinaga, K., Ishii, T., Nakamura, K., Hirano, N., & Kato, Y. (2016). Geology and geochemistry of ferromanganese nodules in the Japanese Exclusive Economic Zone around Minamitorishima Island. Geochemical Journal, 50(6), 539–555



Iijima, K., Yasukawa, K., Fujinaga, K., Nakamura, K., Machida, S., Takaya, Y., Ohta, J., Haraguchi, S., Nishio, Y., Usui, Y., Suzuki, K., & Kato, Y. (2016). Discovery of extremely REY-rich mud in the western North Pacific Ocean. Geochemical Journal, 50(6), 557–573. 



Fujinaga, K., Yasukawa, K., Nakamura, K., Machida, S., Takaya, Y., Ohta, J., Araki, S., Liu, H., Usami, R., Maki, R., Suzuki, K., & Kato, Y. (2016). Geochemistry of REY-rich mud in the Japanese Exclusive Economic Zone around Minamitorishima Island. Geochemical Journal, 50(6), 575–590



Ohta, J., Yasukawa, K., Machida, S., Fujinaga, K., Nakamura, K., Takaya, Y., Iijima, K., Suzuki, K., & Kato, Y. (2016). Geological factors responsible for REY-rich mud in the western North Pacific Ocean: Implications from mineralogy and grain size distributions. Geochemical Journal, 50(6), 591–603. 



Toki, T., Hamamoto, A., Tawata, M., Miyazaki, J., Nakamura, K., Abe, M., Takai, K., Sano, Y., Takahata, N., Tsunogai, U., Tsunogai, U., & Ishibashi, J.-I. (2016). Methanogens in H2-rich hydrothermal fluids resulting from phase separation in a sediment-starved, basalt-hosted hydrothermal system. Chemical Geology, 447, 208–218.



Yasukawa, K., Nakamura, K., Fujinaga, K., Iwamori, H., & Kato, Y. (2016). Tracking the spatiotemporal variations of statistically independent components involving enrichment of rare-earth elements in deep-sea sediments. Scientific Reports, 6, 29603. ** Scientific Reports "Editor's choice" **



Onoue, T., Sato, H., Yamashita, D., Ikehara, M., Yasukawa, K., Fujinaga, K., Kato, Y., & Matsuoka, A. (2016). Bolide impact triggered the Late Triassic extinction event in equatorial Panthalassa. Scientific Reports, 6, 29609



Fujii, M., Okino, K., Sato, T., Sato, H., & Nakamura, K. (2016). Origin of magnetic highs at ultramafic hosted hydrothermal systems: Insights from the Yokoniwa site of Central Indian Ridge. Earth and Planetary Science Letters,441, 26–37.



Nozaki, T., Ishibashi, J.-I., Shimada, K., Nagase, T., Takaya, Y., Kato, Y., Kawagucci, S., Watsuji, T., Shibuya, T., Yamada, R., Kyo, M., & Takai, K. (2016). Rapid growth of mineral deposits at artificial seafloor hydrothermal vents. Scientific Reports, 6, 22163