According to research of mineralogy, petrology and geochemistry, we discuss kaolin Mineral composition, chemistry composition, and change rules and origin of Datong coal series.

• 通过矿物学、岩石学和地球化学研究，对大同煤系高岭岩矿物组成、化学组成，及其变化规律和成因进行了系统探讨。