HYDROTHERMAL OIL OF GUAYMAS BASIN AND IMPLICATIONS FOR PETROLEUM FORMATION MECHANISMS
HYDROTHERMAL OIL OF GUAYMAS BASIN AND IMPLICATIONS FOR PETROLEUM FORMATION MECHANISMS
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DOI：
10.1038/342065a0
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发表时间：
1989-11-02
期刊：
影响因子：
64.8
通讯作者：
SIMONEIT, BRT
中科院分区：
文献类型：
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作者：
DIDYK, BM;SIMONEIT, BRT
在瓜伊马斯盆地1 - 5的热蚀变近代沉积物中检测到类石油碳氢化合物，在海底热液土丘中发现类石油碳氢化合物沉积物，并与热液喷口排放物有关5 -9。在这里，我们报告这样的热液油，我们发现类似于常规开采的原油的评价。其地质年龄较年轻（<5，000年，14 C）10表明，石油中的有机碳的很大一部分在不到5，000年的时间内完成了从生物质到迁移石油的转化，从而将石油生成、勘探和迁移过程限制在地质上较短的时间尺度内。我们估计了这种热液油的生成潜力，并讨论了它对我们理解石油生成、排烃和运移机制的意义。
PETROLEUM-LIKE hydrocarbons have been detected in thermally altered Recent sediments of Guaymas Basin1–5and petroleum-like hydrocarbon impregnations were found in hydrothermal mounds on the sea floor and associated with hydrothermal vent emissions5–9. Here we report the evaluation of such a hydrothermal oil, which we find to be similar to conventionally exploited crude oils. Its young geological age (< 5,000 yr,14C)10indicates that a significant fraction of the organic carbon in the oil has completed the transformation from biomass to migrating oil in less than 5,000 years, thus limiting the oil generation, explusion and migration processes to a geologically short timescale. We estimate the generation potential of such hydrothermal oil and discuss its implications to our understanding of the petroleum generation, expulsion and migration mechanisms.