The depression,a favorite orehost structure,together with other ore-control factors led to formation of thick and rich ore bodies under influence of lat...
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美
- 凹陷带构造是一个有利成矿的构造部位,并配之有其他控矿因素,最终在燕山晚期含矿岩浆气液作用下形成富厚矿体。