Yoichi Usui
Yoichi Usui
Verified email at jamstec.go.jp
Title
Cited by
Cited by
Year
Geodynamo, solar wind, and magnetopause 3.4 to 3.45 billion years ago
JA Tarduno, RD Cottrell, MK Watkeys, A Hofmann, PV Doubrovine, ...
Science 327 (5970), 1238-1240, 2010
2542010
The tremendous potential of deep-sea mud as a source of rare-earth elements
Y Takaya, K Yasukawa, T Kawasaki, K Fujinaga, J Ohta, Y Usui, ...
Scientific reports 8 (1), 1-8, 2018
1042018
Discovery of extremely REY-rich mud in the western North Pacific Ocean
K Iijima, K Yasukawa, K Fujinaga, K Nakamura, S Machida, Y Takaya, ...
Geochemical Journal 50 (6), 557-573, 2016
522016
Evidence for a 3.45-billion-year-old magnetic remanence: Hints of an ancient geodynamo from conglomerates of South Africa
Y Usui, JA Tarduno, M Watkeys, A Hofmann, RD Cottrell
Geochem. Geophys. Geosyst 10, Q09Z07, 2009
452009
Geochemistry of REY-rich mud in the Japanese Exclusive Economic Zone around Minamitorishima Island
K Fujinaga, K Yasukawa, K Nakamura, S Machida, Y Takaya, J Ohta, ...
Geochemical Journal 50 (6), 575-590, 2016
342016
The middle to late Miocene “Carbonate Crash” in the equatorial Indian Ocean
J Lübbers, W Kuhnt, AE Holbourn, CT Bolton, E Gray, Y Usui, ...
Paleoceanography and Paleoclimatology 34 (5), 813-832, 2019
252019
Magnetite microexsolutions in silicate and magmatic flow fabric of the Goyozan granitoid (NE Japan): Significance of partial remanence anisotropy
Y Usui, N Nakamura, T Yoshida
Journal of geophysical research 111 (B11), B11101, 2006
232006
Changing abundance of magnetofossil morphologies in pelagic red clay around Minamitorishima, Western North Pacific
Y Usui, T Yamazaki, M Saitoh
Geochemistry, Geophysics, Geosystems 18 (12), 4558-4572, 2017
182017
A new and prospective resource for scandium: Evidence from the geochemistry of deep-sea sediment in the western North Pacific Ocean
K Yasukawa, J Ohta, K Mimura, E Tanaka, Y Takaya, Y Usui, K Fujinaga, ...
Ore Geology Reviews 102, 260-267, 2018
172018
Rock magnetism of tiny exsolved magnetite in plagioclase from a Paleoarchean granitoid in the Pilbara craton
Y Usui, T Shibuya, Y Sawaki, T Komiya
Geochemistry, Geophysics, Geosystems 16 (1), 112-125, 2015
172015
Paleomagnetic directional groups and paleointensity from the flood basalt in the Tarim large igneous province: implications for eruption frequency
Y Usui, W Tian
Earth, Planets and Space 69 (1), 1-12, 2017
132017
Fish proliferation and rare-earth deposition by topographically induced upwelling at the late Eocene cooling event
J Ohta, K Yasukawa, T Nozaki, Y Takaya, K Mimura, K Fujinaga, ...
Scientific reports 10 (1), 1-11, 2020
102020
Rock magnetism of quartz and feldspars chemically separated from pelagic red clay: a new approach to provenance study
Y Usui, T Shimono, T Yamazaki
Earth, Planets and Space 70 (1), 1-14, 2018
92018
Salvaging primary remanence from hydrothermally altered oceanic gabbros in the Oman ophiolite: A selective destructive demagnetization approach
Y Usui, S Yamazaki
Physics of the Earth and Planetary Interiors 181 (1-2), 1-11, 2010
92010
Unmixing biogenic and terrigenous magnetic mineral components in red clay of the Pacific Ocean using principal component analyses of first-order reversal curve diagrams and …
T Yamazaki, W Fu, T Shimono, Y Usui
Earth, Planets and Space 72 (1), 1-15, 2020
72020
Inverse Magnetic Susceptibility Fabrics in Pelagic Sediment: Implications for Magnetofossil Abundance and Alignment
Y Usui, T Yamazaki, T Oka, Y Kumagai
Journal of Geophysical Research: Solid Earth 124 (11), 10672-10686, 2019
72019
A rapid inversion and resolution analysis of magnetic microscope data by the subtractive optimally localized averages method
Y Usui, M Uehara, K Okuno
Computers and Geosciences 38 (1), 145-155, 2012
72012
Pressure effect on magnetic hysteresis parameters of single-domain magnetite contained in natural plagioclase crystal
M Sato, Y Yamamoto, T Nishioka, K Kodama, N Mochizuki, Y Usui, ...
Geophysical Journal International 202 (1), 394-401, 2015
62015
Paleointensity estimates from oceanic gabbros: Effects of hydrothermal alteration and cooling rate
Y Usui
Earth Planets Space 65 (9), 985-996, 2013
62013
Indian Monsoonal Variations During the Past 80 Kyr Recorded in NGHP‐02 Hole 19B, Western Bay of Bengal: Implications From Chemical and Mineral Properties
Y Ota, H Kawahata, J Kuroda, A Yamaguchi, A Suzuki, D Araoka, ...
Geochemistry, Geophysics, Geosystems 20 (1), 148-165, 2019
52019
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