成矿期的英文怎么说

成矿期的英文：
metallogenic epoch

• Based on study on types of ore deposits and summarization of metallogenic regularities, three metallogenic regions were outlined, and the prospecting orientation and indication have been pointed out.
  文章综述了区内各类矿床的基本特征，总结了成矿规律，归纳出三个成矿区，指出找矿方向及标志。

• The epoch of revolution creates great figures.
  革命时代造就伟大人物。
• Counterfeitig was still punishable with death at that epoch
  铸私钱在那个时代是要受极刑的。
• A large extinct ground sloth of the family Megatheriidae of the Miocene Epoch through the Pleistocene Epoch.
  大懒兽中新世至更新世时期大懒兽科之栖于地面的已绝迹的大树懒
• We might add a remark about the derivation of the epochs of the sunspot minima and maxima
  我们不妨谈谈有关太阳黑子极小和极大期的推导。
• J.H. Lambert initiated a new epoch in the theoretical cartography
  兰伯特在理论制图学方面开创了一个新纪元。