【摘要】 沉积物的结构特征是分析和对比环境的一种依据。本文根据现代河流的已知沉积微环境中的砂样分析,阐述了河北平原河流沉积物的粒度成分、形态和石英颗粒的表面结构特征。更多还原

【Abstract】 The texture features of sediment is a basis for environment comparison and analysis. By analysis of sand grain size in sediment microenvironment of modern rivers, the size and shape of grain and surface texture feature of quartz grain were described in this paper.更多还原