Geochemical Peculiarities of the Atlantic Pleistocene Sediments

IF 0.7 4区 地球科学 Q4 GEOCHEMISTRY & GEOPHYSICS
M. A. Levitan, T. A. Antonova, L. G. Domaratskaya, A. V. Koltsova
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引用次数: 0

Abstract

In the geochemical review based on records from cruises of the International Deep Marine Drilling Project (DSDP, ODP, and IODP phases) and other literature data on the main types of Pleistocene sediments in the Atlantic, tables of average arithmetic chemical composition, mean weighted chemical composition, accumulation rates, and mass accumulation rates of chemical components are presented. These tables can be used for the comparative analysis with sediments of the same or other stratons in different oceanic basins, as well as with paleoceanic sediments on the continents. The terrigenous matrix dominates within the lithogenic matter. Using methods of mathematical statistics, we revealed the main geochemical associations and major factors determining the chemical composition of studied sediments. Masses of oxides of petrogenic elements and several trace elements have been calculated for Pleistocene sediments. Average chemical composition of Pleistocene sediments is proposed for the Atlantic.

Abstract Image

Abstract Image

大西洋更新世沉积物的地球化学特征
摘要 在根据国际深海钻探项目(DSDP、ODP 和 IODP 阶段)巡航记录和其他文献数据对大西洋主要类型的更新世沉积物进行的地球化学审查中,列出了化学成分的平均算术化学成分表、平均加权化学成分表、累积率表和质量累积率表。这些表格可用于与不同大洋盆地中同一地层或其他地层的沉积物以及大陆上的古海洋沉积物进行比较分析。在岩石物质中,陆相基质占主导地位。利用数理统计方法,我们揭示了决定所研究沉积物化学成分的主要地球化学关联和主要因素。我们计算出了更新世沉积物中岩石成因元素氧化物和几种微量元素的质量。提出了大西洋更新世沉积物的平均化学成分。
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来源期刊
Lithology and Mineral Resources
Lithology and Mineral Resources 地学-地球化学与地球物理
CiteScore
1.30
自引率
37.50%
发文量
29
审稿时长
>12 weeks
期刊介绍: Lithology and Mineral Resources is an international peer reviewed journal that publishes articles on a wide range of problems related to the formation of sedimentary rocks and ores. Special attention is given to comparison of ancient sedimentary rock and ore formation with present-day processes. The major part of the journal is devoted to comparative analysis of sedimentary processes on the continents and in oceans, as well as the genetic aspects of the formation of sedimentary and hydrothermal–sedimentary mineral resources. The journal welcomes manuscripts from all countries in the English or Russian language.
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