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

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

国家海洋局第一海洋研究所, 青岛

基金项目: 国家自然科学基金

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- 文章访问数: 670
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- 被引次数: 0
出版历程
- 收稿日期: 1992-05-16
- 修回日期: 1993-08-08

摘要

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.
- 马里亚纳海槽 /
- 热液烟囱 /
- 显微构造 /
- 氧同位素温度

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