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用２９Ｓｉ和２７ＡｌＭＡＳＮＭＲ谱研究粘土矿物，可测定其化学位移及四面体、八面体相对含量和粘土中伴生矿物（ＳｉＯ２）ｘ的含量，得出高岭石、伊利石结晶度和峰宽关系。该实验技术可鉴定不同类型的粘土矿物及其含量，可用于粘土矿物的物源、成因环境和有机质热演化等方面的研究。
The 29Si and 27AlMAS NMR spectra of clay minerals can be used to determine their chemical shifts, relative tetrahedral and octahedral contents, and the content of associated minerals (SiO2) x in clay so as to obtain the relationship between the crystallinity and the peak width of kaolinite and illite. The experimental technique can identify different types of clay minerals and their contents and can be used for the study of the source of clay minerals, genetic environment and thermal evolution of organic matter.