Great deal of almandine decompose the ilmenite, the iron given off turn into the garnet lattice, and the titanium given off become rutile during metamorphosing and mineralization.

• 变质成矿过程中，大量铁铝榴石的形成，促使钛铁矿分解，释放出的铁进入石榴石晶格，释放出的铁形成金红石。