Heavy mineral composition of 0.100-0.050 mm size fraction of sedimentary rock...

Types of rocks and their ages are given in the special data set; see: doi:10.1594/PANGAEA.676854Method used - binocular counting本专用数据集包含岩石类型及其形成年代；详细信息请参阅：doi:10.1594/PANGAEA.676854。所用分析方法为双目计数法（binocular counting）。