According to its main rock forming mineral, accessory mineral formation,petrochemistry and geochemistry character, it shows that I type is the main genetic type for intrusive, only a few is A Type or S type.

• 根据主要造岩矿物及副矿物组合、岩石化学和地球化学特征判别结果，岩体成因类型以I型为主，少数为A型和S型。