226ra-210pb and228ra-228th dating of barite in submarine hydrothermal sulfide deposits collected at the okinawa trough and the Southern Mariana trough

Ai Uchida, Shin Toyoda, Junichiro Ishibashi, Shun’Ichi Nakai

研究成果: 著書/レポートタイプへの貢献

3 引用 (Scopus)

抄録

The226Ra-210Pb and228Ra-228Th ages were obtained for barite crystals in hydrothermal sulfide deposits taken at the Okinawa Trough and the Southern Mariana Trough. After calibrating the measurement systems with standard samples with pitchblende, it was confirmed that the U and Th concentrations obtained for GSJ samples are consistent with literature values. It was shown that radon does not escape from barite crystals extracted from hydrothermal sulfide deposits, which indicates that226Ra-210Pb dating method works for these barite crystals. Most of the226Ra-210Pb and228Ra-228Th ages are younger than ESR and U-Th ages, where this inconsistency would be explained by the mixture of the barite crystals with younger and older ages, formed by several hydrothermal events.

元の言語英語
ホスト出版物のタイトルSubseafloor Biosphere Linked to Hydrothermal Systems
ホスト出版物のサブタイトルTAIGA Concept
出版者Springer Japan
ページ607-616
ページ数10
ISBN(電子版)9784431548652
ISBN(印刷物)9784431548645
DOI
出版物ステータス出版済み - 1 1 2015

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barite
trough
sulfide
crystal
dating method
electron spin resonance
radon
dating
young

All Science Journal Classification (ASJC) codes

  • Earth and Planetary Sciences(all)

これを引用

Uchida, A., Toyoda, S., Ishibashi, J., & Nakai, SI. (2015). 226ra-210pb and228ra-228th dating of barite in submarine hydrothermal sulfide deposits collected at the okinawa trough and the Southern Mariana trough. : Subseafloor Biosphere Linked to Hydrothermal Systems: TAIGA Concept (pp. 607-616). Springer Japan. https://doi.org/10.1007/978-4-431-54865-2_47

226ra-210pb and228ra-228th dating of barite in submarine hydrothermal sulfide deposits collected at the okinawa trough and the Southern Mariana trough. / Uchida, Ai; Toyoda, Shin; Ishibashi, Junichiro; Nakai, Shun’Ichi.

Subseafloor Biosphere Linked to Hydrothermal Systems: TAIGA Concept. Springer Japan, 2015. p. 607-616.

研究成果: 著書/レポートタイプへの貢献

Uchida, A, Toyoda, S, Ishibashi, J & Nakai, SI 2015, 226ra-210pb and228ra-228th dating of barite in submarine hydrothermal sulfide deposits collected at the okinawa trough and the Southern Mariana trough. : Subseafloor Biosphere Linked to Hydrothermal Systems: TAIGA Concept. Springer Japan, pp. 607-616. https://doi.org/10.1007/978-4-431-54865-2_47
Uchida A, Toyoda S, Ishibashi J, Nakai SI. 226ra-210pb and228ra-228th dating of barite in submarine hydrothermal sulfide deposits collected at the okinawa trough and the Southern Mariana trough. : Subseafloor Biosphere Linked to Hydrothermal Systems: TAIGA Concept. Springer Japan. 2015. p. 607-616 https://doi.org/10.1007/978-4-431-54865-2_47
Uchida, Ai ; Toyoda, Shin ; Ishibashi, Junichiro ; Nakai, Shun’Ichi. / 226ra-210pb and228ra-228th dating of barite in submarine hydrothermal sulfide deposits collected at the okinawa trough and the Southern Mariana trough. Subseafloor Biosphere Linked to Hydrothermal Systems: TAIGA Concept. Springer Japan, 2015. pp. 607-616
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