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马里亚纳海槽热液烟囱的显微构造及形成温度研究

吴世迎

吴世迎. 马里亚纳海槽热液烟囱的显微构造及形成温度研究[J]. 海洋学报, 1994, 16(2): 78-85.
引用本文: 吴世迎. 马里亚纳海槽热液烟囱的显微构造及形成温度研究[J]. 海洋学报, 1994, 16(2): 78-85.

马里亚纳海槽热液烟囱的显微构造及形成温度研究

基金项目: 国家自然科学基金
  • 摘要: 本文通过对马里亚纳海槽海底热液烟囱体试样进行的扫描电镜(SEM)观测和δ18O值测定,研究了以蛋白石为主的中低温热液矿物类型和形成温度.表明纯硅质烟囱的氧同位素温度低于40℃,与黄铁矿、白铁矿和重晶石共生的热液烟囱氧同位素温度接近100℃,反映了马里亚纳海槽海底热液活动的产生条件和性质.
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出版历程
  • 收稿日期:  1992-05-16
  • 修回日期:  1993-08-08

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