| 激光粒度分析法在深州市第四纪沉积环境分析中的应用 |
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| 作者姓名： | 张钰东 石建省 周爱国 |
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| 作者单位： | 1. 中国地质大学地质调查研究院, 武汉 430074;
2. 中国地质科学院水文地质环境地质研究所, 石家庄 050061 |
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| 基金项目： | 中国地质科学院水文地质环境地质研究所专项经费（sk201015）资助 |
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| 摘 要： | 采用Mastersizer2000 型激光粒度分析仪对河北省深州市南部一钻孔进行详细的第四纪沉积物粒度分析.所测数据利用SigmaPlot软件绘制出沉积物粒度频率曲线、概率累积曲线和粒度众数曲线.根据曲线变化情况，结合地质背景、岩性等相关资料，对研究区第四纪沉积环境进行分析解释.研究表明，激光粒度分析法能给出连续的粒径信息以便绘制各种粒度曲线，能够较灵敏地反映沉积环境及其水动力条件的细微变化.
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| 关 键 词： | 粒度分析 沉积环境 第四纪 |
| 收稿时间： | 2013-09-02 |
| 修稿时间： | 2013-10-10 |
Application of laser particle size analysis in environment analysis of quaternary sediments in Shenzhou |
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| Authors: | ZHANG Yudong SHI Jiansheng ZHOU Aiguo |
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| Institution: | 1. Geological Survey, China University of Geoscience, Wuhan 430074, China;
2. Institute of Hydrogeology and Environmental Geology, CAGS, Shijiazhuang 050061, China |
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| Abstract: | Mastersizer2000 laser particle size analyzer was used in the grain-size analysis of quaternary sediments of a drill hole in the south of Shenzhou, Hebei. The measured data were used to plot frequency curves,cumulative frequency curves on probability scale, and granularity plural curve using the SigmaPlot software. On the basis of the grain size data from sediments of bore cores, geology background, and lithology in Shenzhou city, the analysis of quaternary sedimentary environment was performed according to the curve changes. Our study indicates that laser particle size analysis could give sequential grain-size information for the drawing of grain-size curves easier and reflect sedimentary environment and its imperceptible hydrodynamic condition changes. |
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| Keywords: | grain size analysis sedimentary environment quaternary |
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