砂金矿床

  • 网络gold placer
砂金矿床砂金矿床
  1. 使金重新分布,砂金分布与金源、地貌和新构造运动关系密切.砂金矿床储量计算中若干问题的探讨

    Distribution of gold placer deposits is closely related with gold-bearing horizon , morphology and tectonism . ON THE CALCULATION OF GOLD - PLACER RESERVES