Zobrazeno 1 - 10
of 99
pro vyhledávání: '"Shun'ichi, Nakai"'
Autor:
Shun'ichi Nakai
Publikováno v:
GEOCHEMICAL JOURNAL. 55:27-32
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f308dbfb54567fe3a65e4e7fd36588ac
https://doi.org/10.2343/geochemj.2.0614
https://doi.org/10.2343/geochemj.2.0614
Publikováno v:
Journal of Archaeological Science: Reports. 25:72-76
Three wood chips found in a wooden coffin discovered in the Mumujyana graves of the Ryukyu Kingdom period were analyzed by pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS), and the 87Sr/86Sr isotope ratio of one piece was measured by multi-c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8bd8c0e422f4d386e5ec3f763ff3f9e6
https://doi.org/10.1016/j.jasrep.2019.03.026
https://doi.org/10.1016/j.jasrep.2019.03.026
Autor:
A. V. Tolstov, Konstantin Garanin, Shun'ichi Nakai, Oleg E. Kovalchuk, I.V. Serov, A.M. Agashev
Publikováno v:
Mineralogy and Petrology. 112:597-608
Here we present new data from a systematic Sr, Nd, O, C isotope and geochemical study of kimberlites of Devonian age Mirny field that are located in the southernmost part of the Siberian diamondiferous province. Major and trace element compositions o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f851d360ace36f0b6665ca74a49546e
https://doi.org/10.1007/s00710-018-0617-4
https://doi.org/10.1007/s00710-018-0617-4
Autor:
Jun-ichiro Ishibashi, Ryoto Yoshizumi, Shin Toyoda, Taisei Fujiwara, Tetsuro Urabe, Shun'ichi Nakai, Asako Takamasa
Publikováno v:
Chemical Geology. 486:61-72
Many samples of hydrothermal sulfide minerals from the Okinawa Trough yield 234U–230Th radioactive disequilibrium ages that are inconsistent with the ages of coexistent barite obtained using electron spin resonance (ESR) method. These results contr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::311dc17d2cea32eeed29aa4163d1c307
https://doi.org/10.1016/j.chemgeo.2018.04.004
https://doi.org/10.1016/j.chemgeo.2018.04.004
Publikováno v:
International Kimberlite Conference Extended Abstracts: 2017.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c75bc759f2ba60f02e2c1ed2e6ed18c4
https://doi.org/10.29173/ikc3867
https://doi.org/10.29173/ikc3867
Autor:
Takashi Goto, Jun-ichiro Ishibashi, Shun'ichi Nakai, Naru Tsukamoto, Naoya Obata, Taisei Fujiwara, Chitaro Gouzu, Shin Toyoda, Ai Uchida
Publikováno v:
Geological Society of America Abstracts with Programs.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ba14673716aa0ad95f61c9d7b0d99d2
https://doi.org/10.1130/abs/2019am-335047
https://doi.org/10.1130/abs/2019am-335047
Publikováno v:
Journal of Analytical and Applied Pyrolysis. 117:25-29
Six pieces of lacquer obtained from Ryukyu lacquerwares produced in the 17–19th century in the Ryukyu Kingdom were analyzed by pyrolysis gas chromatography/mass spectrometry and 87Sr/86Sr isotope ratio measurements to determine the identity of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1a47d2769c6068b1ef17a6043fb6d80
https://doi.org/10.1016/j.jaap.2015.12.021
https://doi.org/10.1016/j.jaap.2015.12.021
Publikováno v:
GEOCHEMICAL JOURNAL. 50:431-438
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::241048ebfe031c81b781e1f58a739408
https://doi.org/10.2343/geochemj.2.0438
https://doi.org/10.2343/geochemj.2.0438
Autor:
Fujiwara, Taisei, Toyoda, Shin, Ai, Uchida, Ishibashi, Jun-ichiro, Shun’ichi, Nakai, Takamasa, Asako
Publikováno v:
Subseafloor Biosphere Linked to Hydrothermal Systems. :369-386
ESR (electron spin resonance) ages were determined for barite crystals extracted from hydrothermal sulfide deposits taken at Daiyon-Yonaguni Knoll field, Hatoma Knoll field, Iheya North Knoll field, Hakurei Site of Izena Hole field, Yoron Hole field
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::6660854c39135d203cf199e3b3bcaa9d
https://repo.qst.go.jp/records/58539
https://repo.qst.go.jp/records/58539
Autor:
Shun'ichi Nakai, Tetsuya Yokoyama, Yu Vin Sahoo, E. Yamazaki, T. Saito, Natsumi Hokanishi, N. Takagi, Jianli Chen, H. Mifune, Atsushi Yasuda
Publikováno v:
Journal of Archaeological Science. 52:458-467
This study examined isotope fractionation during bronze casting and assessed variation in Sn isotope composition of Chinese bronze products to ascertain whether a Sn isotope tracer is applicable to provenance studies of bronze products or not. A cast
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bcbfa32666b09effd9f9c46de30efa9f
https://doi.org/10.1016/j.jas.2014.09.014
https://doi.org/10.1016/j.jas.2014.09.014