1. The main mineral compositions of the tilting defect are composed of calcium aluminate and gehlenite,and others are zirconia corudu...
   聚集的大型夹杂物与下水口侵蚀后的脱落物有关。
2. Depending on the chemical composition the structural parameters of the melilite vary in the range between gehlenite and mernite.Melilitic separation and melilite as a primary phase are very rare.
   黄长石的结构参数，按其化学成分是在钙铝黄长石和镁黄长石之间变化，黄长石作为原始矿物相在碱性矿渣中比较罕见。

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