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自从1950年就已经探知Enasen地区含铜石英岩中有金的成分,但它的开发严格来说只能算七十年代末开始的。这种矿物特性如下:
The gold-bearing composition of the copper-bearing quartzite of the Enasen region has been explored since 1950, but its development, strictly speaking, dates back to the late 1970s. This mineral characteristic is as follows: