并且随着花岗岩化和混合岩化程度增加而降低。
The gold content decreases with increasing granitization and migmatization or amount of fe1sic minerals.
该裂碰带是在新晚元古代以后，华夏地块发生裂解、闭合过程中形成的，是使本区前寒武系地层产生变质、混合岩化和花岗岩化的主导因素。
This splitting and collision zone is formed in the Process of splitting and closing of Huaxia massif in the late Proterozoic era.
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