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南黄海北部沉积物的有机地球化学特征

CHARACTERISTICS OF ORGANIC GEOCHEMISTRY OF SEDIMENTS IN NORTHERN PART OF THE SOUTH HUANGHAI SEA

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【作者】 栾作峰

【Author】 Luan Zuofeng (Institute of Oceanology, Academia Sinica, Qingdao)

【机构】 中国科学院海洋研究所 青岛

【摘要】 南黄海北部沉积物有机质在上部层位损失较少,其有机地球化学主要特征为:(1)有机碳与沥青含量随粒度变细而增高;(2)有机质的损失与粒度紧密相关,在粘土沉积物中几乎无损失;(3)沥青和烃类含量都很低,沥青有几百个ppm,而烃类只有几十个ppm。

【Abstract】 It is known that the organic matter of the upper layer of sediments gets lost fast, but not in the South Huanghai Sea (Yellow sea). Some of the major characteristics of organic geochemistry of sediments in the South Huahgihai Sea can be summrized as follows:1.The contents of organic carbon and bitumen increase with -the decrease in grain size.2.Loss of organic matter is closely related to grain size, but less so in clay sediments.3.The contents of bitumen and hydrocarbon are low, about n×102 ppm for bitumen and n×10 ppm for hydrocarbon.Therefore, a scattered show of organic matter does not generate petroleum in recent marine sediments.

  • 【文献出处】 海洋与湖沼 ,Oceanologia Et Limnologia Sinica , 编辑部邮箱 ,1985年01期
  • 【被引频次】10
  • 【下载频次】87
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