POLYCYCLIC AROMATIC-HYDROCARBONS IN HYDROTHERMAL PETROLEUMS FROM THE GUAYMAS BASIN SPREADING CENTER

被引：125

作者：

KAWKA, OE

SIMONEIT, BRT

机构：

[1] Petroleum Research Group, College of Oceanography, Oregon State University, Corvallis

来源：

APPLIED GEOCHEMISTRY | 1990年 / 5卷 / 1-2期

关键词：

D O I：

10.1016/0883-2927(90)90032-Z

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

Hydrothermal petroleums from the Guaymas Basin spreading center have been analyzed for their polycyclic aromatic hydrocarbon (PAH) content. The PAH concentrations have been compared to those in crude oils from production reservoirs and in coastal sediments. Hydrothermal petroleums contain higher relative concentrations of unsubstituted PAH than crude oils. However, the PAH concentrations in the hydrothermal petroleums are influenced by differing thermal, mixing and post-depositional alteration processes, resulting in considerable variability. Concentrations of the unsubstituted PAH in the hydrothermal mounds/sediments are comparable to those in sediments from highly polluted and industrial areas. The presence of large concentrations of toxic and carcinogenic PAH in these hydrothermal oils could have toxicological effects on the benthic ecosystems of such vent environments. © 1990.

引用

页码：17 / 27

页数：11

共 41 条

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