Mineral assemblage in the sand fraction of sediment core CRP-2A investigated ...

Empirical detrital modes of sand grains. Data are base on counts of 100 grains, using unstained smear slides, and they are qualitative.砂粒碎屑组分模式（detrital mode）的实测数据。本数据集基于100颗砂粒的计数统计，采用未染色抹片法制样，所得数据均为定性结果。