Helium isotope ratios of pore gases in deep-sea sediments, Leg 128

Y. Sano, M. Sakamoto, J. Ishibashi, H. Wakita, R. Matsumoto

研究成果: ジャーナルへの寄稿学術誌査読

9 被引用数 (Scopus)

抄録

Helium in the samples can be explained by the mixing between atmospheric helium dissolved in bottom water of the Japan Sea and crustal helium in the sediment. The sedimentary helium is enriched in mantle-derived 3He compared with those from the Japan Trench and the Nankai Trough. This suggests that the basement of the Japan Sea has relatively large remnants of mantle-derived helium compared with that of the Pacific. Major chemical compositions of the samples are methane and nitrogen. There is a positive correlation between methane content and helium content corrected for air component. -from Authors

本文言語英語
ページ(範囲)747-751
ページ数5
ジャーナルUnknown Journal
DOI
出版ステータス出版済み - 1992
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 環境科学(全般)
  • 地球惑星科学(全般)

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