Yutaro Takaya

主任研究員(研究院准教授)

  • 549 Citations
  • 11 h-Index
20112020

Research output per year

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Research Output

  • 549 Citations
  • 11 h-Index
  • 29 Article
  • 1 Chapter
2020

A Combination of Geostatistical Methods and Principal Components Analysis for Detection of Mineralized Zones in Seafloor Hydrothermal Systems

de Sá, V. R., Koike, K., Goto, T. N., Nozaki, T., Takaya, Y. & Yamasaki, T., 2020, (Accepted/In press) In : Natural Resources Research.

Research output: Contribution to journalArticle

Fish proliferation and rare-earth deposition by topographically induced upwelling at the late Eocene cooling event

Ohta, J., Yasukawa, K., Nozaki, T., Takaya, Y., Mimura, K., Fujinaga, K., Nakamura, K., Usui, Y., Kimura, J. I., Chang, Q. & Kato, Y., 2020 Dec 1, In : Scientific reports. 10, 1, 9896.

Research output: Contribution to journalArticle

Open Access

Quantitative in situ mapping of elements in deep-sea hydrothermal vents using laser-induced breakdown spectroscopy and multivariate analysis

Takahashi, T., Yoshino, S., Takaya, Y., Nozaki, T., Ohki, K., Ohki, T., Sakka, T. & Thornton, B., 2020 Apr, In : Deep-Sea Research Part I: Oceanographic Research Papers. 158, 103232.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)
2019

A Miocene impact ejecta layer in the pelagic Pacific Ocean

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 Dec 1, In : Scientific reports. 9, 1, 16111.

Research output: Contribution to journalArticle

Open Access

Experiments on rare‐earth element extractions from umber ores for optimizing the grinding process

Takaya, Y., Wang, M., Fujinaga, K., Uchida, E., Nozaki, T. & Kato, Y., 2019 Apr 1, In : Minerals. 9, 4, 239.

Research output: Contribution to journalArticle

Open Access

Triassic marine Os isotope record from a pelagic chert succession, Sakahogi section, Mino Belt, southwest Japan

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 Jan 1, (Accepted/In press) In : Journal of Asian Earth Sciences: X. 100004.

Research output: Contribution to journalArticle

2018

A new and prospective resource for scandium: Evidence from the geochemistry of deep-sea sediment in the western North Pacific Ocean

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 Nov 1, In : Ore Geology Reviews. 102, p. 260-267 8 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2 Citations (Scopus)

Signal preprocessing of deep-sea laser-induced plasma spectra for identification of pelletized hydrothermal deposits using Artificial Neural Networks

Yoshino, S., Thornton, B., Takahashi, T., Takaya, Y. & Nozaki, T., 2018 Jul, In : Spectrochimica Acta - Part B Atomic Spectroscopy. 145, p. 1-7 7 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Subsurface deposition of Cu-rich massive sulphide underneath a Palaeoproterozoic seafloor hydrothermal system—the Red Bore prospect, Western Australia

Agangi, A., Reddy, S. M., Plavsa, D., Vieru, C., Selvaraja, V., LaFlamme, C., Jeon, H., Martin, L., Nozaki, T., Takaya, Y. & Suzuki, K., 2018 Dec 1, In : Mineralium Deposita. 53, 8, p. 1061-1078 18 p.

Research output: Contribution to journalArticle

The tremendous potential of deep-sea mud as a source of rare-earth elements

Takaya, Y., Yasukawa, K., Kawasaki, T., Fujinaga, K., Ohta, J., Usui, Y., Nakamura, K., Kimura, J. I., Chang, Q., Hamada, M., Dodbiba, G., Nozaki, T., Iijima, K., Morisawa, T., Kuwahara, T., Ishida, Y., Ichimura, T., Kitazume, M., Fujita, T. & Kato, Y., 2018 Dec 1, In : Scientific Reports. 8, 1, 5763.

Research output: Contribution to journalArticle

34 Citations (Scopus)
2017

Depositional Age of a Fossil Whale Bone from São Paulo Ridge, South Atlantic Ocean, Based on Os Isotope Stratigraphy of a Ferromanganese Crust

Nozaki, T., Takaya, Y., Toyofuku, T., Tokumaru, A., Goto, K. T., Chang, Q., Kimura, J. I., Kato, Y., Suzuki, K., Augustin, A. H. & Kitazato, H., 2017 Oct, In : Resource Geology. 67, 4, p. 442-450 9 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Origin of felsic volcanism in the Izu arc intra-arc rift

Haraguchi, S., Kimura, J. I., Senda, R., Fujinaga, K., Nakamura, K., Takaya, Y. & Ishii, T., 2017 May 1, In : Contributions to Mineralogy and Petrology. 172, 5, 25.

Research output: Contribution to journalArticle

6 Citations (Scopus)
2016

Discovery of extremely REY-rich mud in the western North Pacific Ocean

Iijima, K., Yasukawa, K., Fujinaga, K., Nakamura, K., Machida, S., Takaya, Y., Ohta, J., Haraguchi, S., Nishio, Y., Usui, Y., Nozaki, T., Yamazaki, T., Ichiyama, Y., Ijiri, A., Inagaki, F., Machiyama, H., Suzuki, K. & Kato, Y., 2016, In : Geochemical Journal. 50, 6, p. 557-573 17 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)

Geochemistry of REY-rich mud in the Japanese Exclusive Economic Zone around Minamitorishima Island

Fujinaga, K., Yasukawa, K., Nakamura, K., Machida, S., Takaya, Y., Ohta, J., Araki, S., Liu, H., Usami, R., Maki, R., Haraguchi, S., Nishio, Y., Usui, Y., Nozaki, T., Yamazaki, T., Ichiyama, Y., Ijiri, A., Inagaki, F., Machiyama, H., Iijima, K. & 2 others, Suzuki, K. & Kato, Y., 2016, In : Geochemical Journal. 50, 6, p. 575-590 16 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Geological factors responsible for REY-rich mud in the western North Pacific Ocean: Implications from mineralogy and grain size distributions

Ohta, J., Yasukawa, K., Machida, S., Fujinaga, K., Nakamura, K., Takaya, Y., Iijima, K., Suzuki, K. & Kato, Y., 2016, In : Geochemical Journal. 50, 6, p. 591-603 13 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Major and trace element compositions and resource potential of ferromanganese crust at Takuyo Daigo Seamount, northwestern Pacific Ocean

Nozaki, T., Tokumaru, A., Takaya, Y., Kato, Y., Suzuki, K. & Urabe, T., 2016, In : Geochemical Journal. 50, 6, p. 527-537 11 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Rapid growth of mineral deposits at artificial seafloor hydrothermal vents

Nozaki, T., Ishibashi, J. I., Shimada, K., Nagase, T., Takaya, Y., Kato, Y., Kawagucci, S., Watsuji, T., Shibuya, T., Yamada, R., Saruhashi, T., Kyo, M. & Takai, K., 2016 Feb 25, In : Scientific Reports. 6, 22163.

Research output: Contribution to journalArticle

17 Citations (Scopus)
2015

Chemical leaching of rare earth elements from highly REY-rich mud

Takaya, Y., Fujinaga, K., Yamagata, N., Araki, S., Maki, R., Nakamura, K., Iijima, K. & Kato, Y., 2015, In : Geochemical Journal. 49, 6, p. 637-652 16 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Dissolution of altered tuffaceous rocks under conditions relevant for CO<inf>2</inf> storage

Takaya, Y., Nakamura, K. & Kato, Y., 2015 Jul 1, In : Applied Geochemistry. 58, p. 78-87 10 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Post-drilling changes in seabed landscape and megabenthos in a deep-sea hydrothermal system, the Iheya North field, Okinawa Trough

Nakajima, R., Yamamoto, H., Kawagucci, S., Takaya, Y., Nozaki, T., Chen, C., Fujikura, K., Miwa, T. & Takai, K., 2015 Apr 22, In : PloS one. 10, 4, e0123095.

Research output: Contribution to journalArticle

25 Citations (Scopus)

Rare-earth, major, and trace element geochemistry of deep-sea sediments in the Indian Ocean: Implications for the potential distribution of REY-rich mud in the Indian Ocean

Yasukawa, K., Nakamura, K., Fujinaga, K., Machida, S., Ohta, J., Takaya, Y. & Kato, Y., 2015, In : Geochemical Journal. 49, 6, p. 621-635 15 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)

Re-Os isotope geochemistry in the surface layers of ferromanganese crusts from the Takuyo Daigo Seamount, northwestern Pacific Ocean

Tokumaru, A., Nozaki, T., Suzuki, K., Goto, K. T., Chang, Q., Kimura, J. I., Takaya, Y., Kato, Y., Usui, A. & Urabe, T., 2015, In : Geochemical Journal. 49, 3, p. 233-241 9 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

REY-Rich Mud: A Deep-Sea Mineral Resource for Rare Earths and Yttrium

Nakamura, K., Fujinaga, K., Yasukawa, K., Takaya, Y., Ohta, J., Machida, S., Haraguchi, S. & Kato, Y., 2015 Jan 1, Handbook on the Physics and Chemistry of Rare Earths. Elsevier B.V., p. 79-127 49 p. (Handbook on the Physics and Chemistry of Rare Earths; vol. 46).

Research output: Chapter in Book/Report/Conference proceedingChapter

9 Citations (Scopus)
2014

Uranium isotope systematics of ferromanganese crusts in the Pacific Ocean: Implications for the marine 238U/235U isotope system

Goto, K. T., Anbar, A. D., Gordon, G. W., Romaniello, S. J., Shimoda, G., Takaya, Y., Tokumaru, A., Nozaki, T., Suzuki, K., Machida, S., Hanyu, T. & Usui, A., 2014 Dec 1, In : Geochimica et Cosmochimica Acta. 146, p. 43-58 16 p.

Research output: Contribution to journalArticle

49 Citations (Scopus)

Zircon U-Pb dating from the mafic enclaves in the Tanzawa Tonalitic Pluton, Japan: Implications for arc history and formation age of the lower-crust

Suzuki, K., Yamamoto, S., Sawaki, Y., Aoki, K., Omori, S., Kon, Y., Hirata, T., Li, Y., Takaya, Y., Fujinaga, K., Kato, Y. & Maruyama, S., 2014 May, In : Lithos. 196-197, p. 301-320 20 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2013

Geological, geochemical and social-scientific assessment of basaltic aquifers as potential storage sites for CO2

Takaya, Y., Nakamura, K. & Kato, Y., 2013, In : GEOCHEMICAL JOURNAL. 47, 4, p. 385-396 12 p.

Research output: Contribution to journalArticle

Open Access
2 Citations (Scopus)

Post-drilling changes in fluid discharge pattern, mineral deposition, and fluid chemistry in the Iheya North hydrothermal field, Okinawa Trough

Kawagucci, S., Miyazaki, J., Nakajima, R., Nozaki, T., Takaya, Y., Kato, Y., Shibuya, T., Konno, U., Nakaguchi, Y., Hatada, K., Hirayama, H., Fujikura, K., Furushima, Y., Yamamoto, H., Watsuji, T. O., Ishibashi, J. I. & Takai, K., 2013 Nov 1, In : Geochemistry, Geophysics, Geosystems. 14, 11, p. 4774-4790 17 p.

Research output: Contribution to journalArticle

33 Citations (Scopus)
2011

Deep-sea mud in the Pacific Ocean as a potential resource for rare-earth elements

Kato, Y., Fujinaga, K., Nakamura, K., Takaya, Y., Kitamura, K., Ohta, J., Toda, R., Nakashima, T. & Iwamori, H., 2011 Aug 1, In : Nature Geoscience. 4, 8, p. 535-539 5 p.

Research output: Contribution to journalArticle

245 Citations (Scopus)