The gold deposit is of quartz vein type, with the wall rocks consisting of metamorphic rocks of the Jianping Group in age of Late Archean.
英
美
释义
金矿体的赋矿围岩为上太古界建平群变质岩系 ,属于石英脉型金矿床。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2024 海词词典(Dict.cn)
立即下载