during late Caledonian, themagmatic hydrothermal in a subduction setting reformed the Huashugou Fe-Cudeposit, making Cu enrich more, and forming the deposit.

• 加里东晚期,俯冲板块边界环境的岩浆热液对矿床进行了改造,使其中的铜元素进一步富集,最终形成桦树沟铁铜矿床。