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淮南下石盒子组球粒状高岭岩形成于三角洲平原上的湖泊环境。球粒是有机质与高岭石组成的复合集合体,可划分出6种结构类型。矿床中高岭石矿物主要有两种来源,一种是由陆源粘土搬运再沉积而成;另一种是由硅铝胶体沉淀并经重结晶作用而来。有机质对高岭石及球粒集合体的形成起重要作用。
Huainan lower Shihezi Formation Pelleted kaolinite formed in the delta plain lake environment. Pellets are organic and kaolinite composite assemblage, can be divided into six types of structures. There are two main sources of kaolinite minerals in the deposit, one is transported by terrigenous clay and then deposited; the other is precipitated by silica-alumina colloid and recrystallized from. Organic matter plays an important role in the formation of kaolinite and pellet aggregates.