Calcium oxide phase is mainly derived from the decomposition of excluded calcium-bearing mineral, while calcium aluminosilicate phase is formed by the fusion of included calcium-bearing minerals.

• 钙硅铝酸盐相组成复杂，其主要源于内在矿物的融合凝并以及外在含钙矿物与外在硅铝质矿物的烧结；