Preparation and analysis techniques for studies of laminated sediments

Preparation and analysis techniques for studies of laminated sediments
复制标题

层状沉积物研究的制备和分析技术

DOI:
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发表时间:
1996
期刊:
Geological Society Special Publication
影响因子:
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通讯作者:
A. Kemp
A. Kemp
中科院分区:
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文献类型:
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作者:
J. Pike;A. Kemp

文献摘要

被引文献

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摘要层状沉积物通常代表了海洋和湖泊变化的最高分辨率的连续记录。为了有效地利用这些信息,必须遵循仔细的取样和制备程序,因此所选择的分析方法必须具有足够的分辨率来恢复数据。扫描电子显微镜由于其良好的空间分辨率,是分析层状沉积物组构的理想工具。反向散射电子成像产生了年内时间尺度上保存下来的通量数据,这使得能够进行高分辨率的结构研究、古环境重建和汇编数据以进行时间序列分析。本文总结了层状沉积物组构调查所使用的技术,并讨论了使用扫描电子显微镜,包括最佳的制备方法,薄切片和背散射电子成像分析的程序。
Abstract Laminated sediments commonly represent the highest resolution continuous records available of marine and lacustrine variability. To exploit this information effectively careful sampling and preparation procedures must be followed, thus the method of analysis chosen must have sufficient resolution to recover the data. The scanning electron microscope, because of its good spatial resolution, is an ideal tool for analyzing laminated sediment fabric. Backscattered electron imagery produces preserved flux data on intra-annual time-scales, which enables high-resolution fabric studies, palaeoenvironmental reconstructions and compilation of data for time-series analysis. This contribution summarizes the techniques used for laminated sediment fabric investigation and discusses the use of the scanning electron microscope, including the best preparation method for thin sections and the procedure for backscattered electron imagery analysis.