• High valuation and great attention are also given to placer gold deposits and vein gold deposits, which are the main sources of gold in the different parts of our country.

    全国各省(区)主要来源砂金矿床脉金矿床,给予很高评价重视

    youdao

  • Distribution of gold placer deposits is closely related with gold-bearing horizon, morphology and tectonism.

    使重新分布,砂金分布金源地貌新构造运动关系密切

    youdao

  • Distribution of gold placer deposits is closely related with gold-bearing horizon, morphology and tectonism.

    使重新分布,砂金分布金源地貌新构造运动关系密切

    youdao

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