The autonomous kaolinite containing endo-colloid in ball clay is formed in lake basin log under influence of biogenetic organic matter.

• 沉积球粘土与残积成因高岭石为无序或较无序,古生代煤系高岭石为有序和高度有序,岩浆热液成因的高岭石常为有序或高度有序;