ore-forming epoch

• 成矿时代

ore-forming epoch的用法和样例：

例句

1. The mineralization epoch is the early period of mesoproterozoic Era.
   成矿时代为中元古代早期。
2. The metallogenic epoch of celestite deposits in the northwestern Qaidam Basin is the latest continental thermal water sedimental stratabound celestite deposits in the world.
   柴达木盆地西北部锶矿床是已知的世界上成矿时代最年轻的大陆热水沉积层控型锶矿床。