中国砂金矿主要形成在第四纪，而原生金矿则主要形成在侏罗—白垩纪（占原生金总储量64。
The temporal analysis shows that Chinese gold placers were formed in the Quaternary whereas lode gold reserves are mainly of Jurassic-Cretaceous age, forming 64.
中国砂金矿主要形成在第四纪，而原生金矿则主要形成在侏罗—白垩纪（占原生金总储量64。
The temporal analysis shows that Chinese gold placers were formed in the Quaternary whereas lode gold reserves are mainly of Jurassic-Cretaceous age, forming 64.
应用推荐