Thus, the boron-bearing rock system and the magnesian rocks are the foundation of the borate deposits, whereas regional metamorphism and migmatitization and tectonism are the necessary conditions.
含硼岩系、镁
容
岩石是硼
的物基础，区域变
合岩化作用、
造活动是硼的必要条件。
造作用Thus, the boron-bearing rock system and the magnesian rocks are the foundation of the borate deposits, whereas regional metamorphism and migmatitization and tectonism are the necessary conditions.
含硼岩系、镁容岩石是硼的物基础，区域变合岩化作用、造活动是硼的必要条件。
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