With the rise of the coal rank, the crystallinity of kaolinite and its order in the anthracite bed go up.
随着煤变质程度的升高，煤层夹矸中高岭石的结晶度、有序度也随之升高。
In the lean coal bed and anthracite bed of high coal rank, the main composition of the clay mineral in the tonstein intercalations is illinite, Kaolinite takes second place.
在高变质阶段的贫煤、无烟煤层中，煤层夹矸的粘土矿物成分以伊利石为主，高岭石次之。
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