西太平洋WP02-1柱状样品有机地球化学特征及其与Fe、Mn成岩成矿作用

海洋学研究 ›› 2013, Vol. 31 ›› Issue (2): 65-71.

西太平洋WP02-1柱状样品有机地球化学特征及其与Fe、Mn成岩成矿作用

高正来, 杨丹, 张海生, 潘建明, 倪建宇

国家海洋局海洋生态系统和生物地球化学重点实验室,浙江杭州 310012

收稿日期:2010-06-23 修回日期:2013-01-21 出版日期:2013-06-15 发布日期:2022-11-29
作者简介:高正来(1985-),男,江苏盐都县人,硕士研究生,主要从事环境污染控制方面的研究。E-mail:gaozhenglai@163.com
基金资助:
国家自然科学基金资助项目(40676061,40676025);浙江省自然科学基金资助项目(Y5110065)

The organic geochemical characteristics of core WP02-1 from Western Pacific and its diagenetic mineralization relationship with elements Fe and Mn

GAO Zheng-lai, YANG Dan, ZHANG Hai-sheng, PAN Jian-ming, NI Jian-yu

Laboratory of Marine Ecosystem and Biogeochemistry, SOA, Hangzhou 310012, China

Received:2010-06-23 Revised:2013-01-21 Online:2013-06-15 Published:2022-11-29

摘要/Abstract

摘要： 在较系统地定量分析了西太平洋WP02-1柱状样品中的有机碳、可溶有机质(氯仿沥青“A”)及其族组成(总烃、饱和烃、芳烃、非烃、沥青质)、正构烷烃分子组合指数(nC^-₂₃/nC⁺₂₄、CPI)、类异戊二烯烃(Pr/Ph、Pr/nC₁₇、Ph/nC₁₈)的基础上,研究了它们的组成来源、正构烷烃生物标志化合物的地球化学特征,同时结合成矿元素Fe、Mn含量进行相关性分析。研究发现,有机烃类组分与成岩成矿元素有密切的成因联系,这一区域在Fe、Mn成岩成矿过程中,有机质起到重要作用。

关键词: 可溶有机质, 正构烷烃, 类异戊二烯烃, 有机地球化学, 生物标志物, Fe、Mn元素, 成岩成矿作用, 西太平洋

Abstract: The total organic carbon, chloroform bitumen “A”, and its compositions ( total alkanes, saturated hydrocarbons, aromatic hydrocarbons, resin and asphalt ) in sedimental core WP02-1 from Western Pacific area were systematically analyzed. Then the nC^-₂₃/nC⁺₂₄ and CPI of n-alkanes,Pr/Ph, Pr/nC₁₇, Ph/nC₁₈ of isoprenoids were discussed. The geochemical characteristics of its original, biomarker and the relationship between organic matter and Fe, Mn were studied. The result showed that the alkanes had close relationship with diagenesis in sediments and the organic matter played an important role in mineralization process of Fe and Mn.

Key words: soluble organic matter, n-alkanes, isoprenoids, organic geochemistry, biomarkers, Fe, Mn elements, diagenetic mineralization, Western Pacific

中图分类号:

P736.4

高正来, 杨丹, 张海生, 潘建明, 倪建宇. 西太平洋WP02-1柱状样品有机地球化学特征及其与Fe、Mn成岩成矿作用[J]. 海洋学研究, 2013, 31(2): 65-71.

GAO Zheng-lai, YANG Dan, ZHANG Hai-sheng, PAN Jian-ming, NI Jian-yu. The organic geochemical characteristics of core WP02-1 from Western Pacific and its diagenetic mineralization relationship with elements Fe and Mn[J]. Journal of Marine Sciences, 2013, 31(2): 65-71.

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