月壤的粒径和成分特征及其分类研究
杨瑞洪, 谷渊涛, 耿焕, 王倩

The grain⁃size,composition characteristics and classification of lunar soil
Ruihong Yang, Yuantao Gu, Huan Geng, Qian Wang
图3 Apollo 12着陆点玄武岩岩屑的钾含量和Fe/Ti的相关性
数据源于文献[51-53].
Fig.3 Correlation of K contents and Fe/Ti ratios in the basalt clasts of Apollo 12 soils