Studies indicates that illiteclay deposits of industrial importance tend to be associated with Late Mesozoic sequences in relation to volcanic activities.
研究表明，具有工业价值的伊利石粘土矿床形成于中生代晚期与火山岩有关的地层中。
2
The enrichment of Au mostly resulted with adsorption of illite and limonite in red clay.
金的富集主要受红色粘土中褐铁矿和伊利石的吸附影响。
3
The result shows that the main types of clay minerals are illite , smectite, kaolinite and chlorite.